ADP165UJ-EVALZ - ANALOG DEVICES

ADP165Z-REDYKIT/ADP166Z-REDYKIT User Guide

UG-717

One Technology Way • P. O. Box 9106 • Norwood, MA 02062-9106, U.S.A. • Tel: 781.329.4700 • Fax: 781.461.3113 • www.analog.com

Setting Up the Evaluation Boards for the ADP165/ADP166

PLEASE SEE THE LAST PAGE FOR AN IMPORTANT

WARNING AND LEGAL TERMS AND CONDITIONS. Rev. A | Page 1 of 9

FEATURES

Input voltage range: 2.2 V to 5.5 V

Output current range: 0 mA to 150 mA

Output voltage accuracy: ±1%

Operating temperature range: −40°C to +125°C

GENERAL DESCRIPTION

The ADP165/ADP166 evaluation boards are used to demonstrate

the functionality of the ADP165/ADP166 series of linear

regulators.

Simple device measurements such as line and load regulation,

dropout voltage, and ground current can be demonstrated with

only a single voltage supply, a voltmeter, an ammeter, and load

resistors.

Complete specifications for the ADP165/ADP166 linear regulators

are available in the ADP165/ADP166 data sheet available from

Analog Devices, Inc., and should be consulted in conjunction

with this user guide when using the evaluation boards.

ADP165/ADP166 EVALUATION BOARDS

Figure 1. TSOT Printed Circuit Board (PCB) Layout

Figure 2. WLCSP PCB Layout

Figure 3. LFCSP PCB Layout

12433-001

12433-002

12433-003

UG-717 ADP165Z-REDYKIT/ADP166Z-REDYKIT User Guide

TABLE OF CONTENTS

Features .............................................................................................. 1

General Description ......................................................................... 1

ADP165/ADP166 Evaluation Boards ............................................ 1

Revision History ............................................................................... 2

Evaluation Board Hardware ............................................................ 3

Evaluation Board Configurations .............................................. 3

Output Voltage Measurements ................................................... 4

Line Regulation Measurements .................................................. 5

Load Regulation Measurements ................................................. 5

Dropout Voltage Measurements..................................................5

Ground Current Measurements ..................................................6

Ground Current Consumption ...................................................7

Ordering Information .......................................................................8

Bill of Materials ..............................................................................8

ADP165Z-REDYKIT Contents ...................................................8

ADP166Z-REDYKIT Contents ...................................................9

REVISION HISTORY

2/15—Rev. 0 to Rev. A

Changes to General Description Section ...................................... 1

Changes to Figure 8 .......................................................................... 4

Added ADP165Z-REDYKIT Contents Section and Table 3;

Renumbered Sequentially ................................................................ 8

Added ADP166Z-REDYKIT Contents Section and Table 4 ...... 9

9/14—Revision 0: Initial Version

Rev. A | Page 2 of 9

ADP165Z-REDYKIT/ADP166Z-REDYKIT User Guide UG-717

Rev. A | Page 3 of 9

EVALUATION BOARD HARDWARE

EVALUATION BOARD CONFIGURATIONS

The ADP165/ADP166 evaluation boards come supplied with

different components, depending on the version ordered.

Components common to all versions are C1, C2, and J1.

Resistors R1 and R2 and Jumper J2 are used for the adjustable

output ADP165/ADP166, the 6-lead LFCSP and 5-lead TSOT

options. Figure 4, Figure 5, and Figure 6 show the schematics of

these evaluation board configurations. Table 1 describes the

components.

The adjustable ADP165/ADP166 has an output voltage range of

1.2 V to 4.2 V. The output voltage is set by the ratio of two external

resistors, as shown in Figure 4 and Figure 6. The device servos the

output to maintain the voltage at the ADJ pin at 1.0 V referenced

to ground. The current in R1 is then equal to 1.0 V/R2, and the

current in R1 is the current in R2 plus the ADJ pin bias current.

The ADJ pin bias current, 10 nA at 25°C, flows through R1 into

the ADJ pin.

Calculate the output voltage using the following equation:

VOUT = 1.0 V(1 + R1/R2) + (ADJI-BIAS)(R1)

The value of R1 must be less than 200 kΩ to minimize errors in

the output voltage caused by the ADJ pin bias current. For example,

when R1 and R2 each equal 200 kΩ, the output voltage is 2.0 V.

The output voltage error introduced by the ADJ pin bias current

is 1 mV or 0.05%.

To minimize quiescent current in the ADP165/ADP166, use

high values of resistance for R1 and R2. Using a value of 1 MΩ

for R2 keeps the total, no load quiescent current below 2 μA.

However, high values of resistance introduce a small output

voltage error. For example, assuming that R1 and R2 are 1 MΩ,

the output voltage is 2 V. Taking into account the nominal

ADJ pin bias current of 10 nA, the output voltage error is 0.25%.

Note that when the device is in shutdown, the output turns off,

and the divider current is zero.

VIN

GND

VOUT

NC/

ADJ

J1 C2

VOUT

12433-004

Figure 4. Evaluation Board Schematic, TSOT

VOUT

VOUTVIN

GNDEN

VIN

12433-005

Figure 5. Evaluation Board Schematic, WLCSP

VIN

GND

VOUT

NC/

ADJ J2

OUT

12433-006

Figure 6. Evaluation Board Schematic, LFCSP

Table 1. Evaluation Board Hardware Components

Component Description

U1 ADP165/ADP166 low dropout linear regulator

C11 Input bypass capacitor, 1 μF, 0603 size

C21 Output capacitor, 1 μF, 0603 size

J1 Jumper (connects EN to VIN for automatic startup)

J2 Jumper (connects VOUT to the resistor divider

for the adjustable ADP165/ADP166)

R1, R2 Resistor divider to set ADP165/ADP166 output

voltage

1 The ADP165/ADP166 evaluation boards require only one input bypass

capacitor and one output capacitor for stable operation.

UG-717 ADP165Z-REDYKIT/ADP166Z-REDYKIT User Guide

Rev. A | Page 4 of 9

OUTPUT VOLTAGE MEASUREMENTS

Figure 7. Output Voltage Measurement Setup, TSOT

Figure 8. Output Voltage Measurement Setup, WLCSP

Figure 7 and Figure 8 show how the evaluation board can be

connected to a voltage source and a voltmeter for basic output

voltage accuracy measurements. Note that the LFCSP

measurement setup is the same as the TSOT setup.

A resistor can be used as the load for the regulator. Ensure that

the resistor has a power rating that is adequate to handle the power

expected to dissipate across it. An electronic load can also be

used as an alternative. Ensure that the voltage source can supply

enough current for the expected load levels.

Follow these steps to connect the evaluation board to a voltage

source and voltmeter:

1. Connect the negative terminal (−) of the voltage source to

one of the GND pads on the evaluation board.

2. Connect the positive terminal (+) of the voltage source to

the VIN pad on the evaluation board.

3. Connect a load between the VOUT pad and one of the

GND pads on the evaluation board.

4. Connect the negative terminal (−) of the voltmeter to one

of the GND pads on the evaluation board.

5. Connect the positive terminal (+) of the voltmeter to the

VOUT pad on the evaluation board.

When these steps are completed, the voltage source can be turned

on. If J1 is inserted (connecting EN to VIN for automatic startup),

the regulator powers up.

If the load current is large, the user must connect the voltmeter

as close as possible to the output capacitor to reduce the effects

of IR drops.

+–

VOLTAGE

SOURCE

3.29999

+–

VOLTMETER

LOAD

12433-007

VOLTAGE

SOURCE

3.29999

+–

VOLTMETER

+–

LOAD

12433-008

ADP165Z-REDYKIT/ADP166Z-REDYKIT User Guide UG-717

LINE REGULATION MEASUREMENTS

For line regulation measurements, the output of the regulator

is monitored while its input is varied. For good line regulation,

the output must change as little as possible with varying input

levels. To ensure that the device is not in dropout mode during line

regulation measurement, VIN must be varied between VOUTNOM +

0.4 V (or 2.2 V, whichever is greater) and VINMAX. For example,

for an ADP165 with a fixed 3.3 V output, VIN must be varied

between 2.7 V and 5.5 V. This measurement can be repeated under

different load conditions. Figure 9 shows the typical line regulation

performance of an ADP165 with a fixed 3.3 V output.

Figure 9. Output Voltage (VOUT) vs. Input Voltage (VIN) at

VOUT = 3.3 V, TA = 25°C

LOAD REGULATION MEASUREMENTS

For load regulation measurements, the output of the regulator is

monitored while the load is varied. For good load regulation, the

output must change as little as possible with varying load. The input

voltage must be held constant during load regulation measurement.

The load current can be varied from 0 mA to 150 mA. Figure 10

shows the typical load regulation performance of an ADP165

with a fixed 3.3 V output for an input voltage of 3.8 V.

Figure 10. Output Voltage (VOUT) vs. Load Current (IOUT) at

VIN = 3.8 V, VOUT = 3.3 V, TA = 25°C

DROPOUT VOLTAGE MEASUREMENTS

The dropout voltage can be measured using the configurations

shown in Figure 7 and Figure 8. Dropout voltage is defined as

the input to output voltage differential when the input voltage is

set to the nominal output voltage. The ADP165/ADP166 only

enter dropout mode for output voltages higher than 2.2 V; for

lower voltage outputs, the ADP165/ADP166 shut down. The

dropout voltage increases with larger loads.

For accurate measurements, use a second voltmeter to monitor

the input voltage across the input capacitor. The input supply

voltage may need adjusting to account for IR drops, especially

when using large load currents. Figure 11 shows the typical curve

of dropout voltage measurements with different load currents.

Figure 11. Dropout Voltage vs. Load Currents (ILOAD),

VOUT = 2.0 V and 3.3 V, TA = 25°C

3.33

3.23

3.24

3.25

3.26

3.27

3.28

3.29

3.30

3.31

3.32

3.7 3.9 4.1 4.3 4.5 4.7 4.9 5.1 5.55.3

OUT

(V)

VIN (V)

1µA

100µA

1mA

10mA

100mA

150mA

12433-009

3.35

3.25

3.26

3.27

3.28

3.29

3.30

3.31

3.32

3.33

3.34

0.001 0.01 10001001010.1

OUT

(V)

ILOAD (mA)

12433-010

0.27

0.24

0.21

0.18

0.15

0.12

0.09

0.06

0.03

0.001 10.10.01

DRO

POUT VOLTAGE (V)

OAD

(A)

OUT

= 2.0V

OUT

= 3.3V

12433-011

Rev. A | Page 5 of 9

UG-717 ADP165Z-REDYKIT/ADP166Z-REDYKIT User Guide

Rev. A | Page 6 of 9

GROUND CURRENT MEASUREMENTS

Figure 12. Ground Current Measurement Setup, TSOT

Figure 13. Ground Current Measurement Setup, WLCSP

Figure 12 and Figure 13 show how the evaluation board can be

connected to a voltage source and an ammeter for ground

current measurements. Note that the LFCSP measurement

setup is the same as the TSOT setup

A resistor can be used as the load for the regulator. Ensure that

the resistor has a power rating that is adequate to handle the

power expected to be dissipated across it. An electronic load

can be used as an alternative. Ensure that the voltage source can

supply enough current for the expected load levels.

Follow these steps to connect the evaluation board to a voltage

source and ammeter:

1. Connect the positive terminal (+) of the voltage source to

the VIN pad on the evaluation board.

2. Connect the positive terminal (+) of the ammeter to one of

the GND pads on the evaluation board.

3. Connect the negative terminal (−) of the ammeter to the

negative terminal (−) of the voltage source.

4. Connect a load between the VOUT pad on the evaluation

board and the negative terminal (−) of the voltage source.

When these connection steps are completed, the voltage source

can be turned on. If J1 is inserted (connecting EN to VIN for

automatic startup), the regulator powers up.

+–

VOLTAGE

SOURCE

0.00112

+–

AMMETER

LOAD

12433-012

+–

VOLTAGE

SOURCE

0.00112

+–

AMMETER

LOAD

12433-013

ADP165Z-REDYKIT/ADP166Z-REDYKIT User Guide UG-717

GROUND CURRENT CONSUMPTION

Ground current measurements can determine how much

current the internal circuits of the regulator consume while the

circuits perform the regulation function. To be efficient, the

regulator must consume as little current as possible. Typically,

the regulator uses the maximum current when supplying its

largest load level (150 mA). Figure 14 shows the typical ground

current consumption for various load levels at VOUT = 3.3 V and

TA = 25°C.

When the device is disabled (EN = GND), the ground current

drops to less than 50 nA.

Figure 14. Ground Current vs. Input Voltage (VIN),

VOUT = 3.3 V, TA = 25°C

100

0.1

–50–250255075100125150

GROUND CURRENT (µA)

JUNCTION TEMPERATURE(°C)

NO LOAD

1µA

100µA

1mA

10mA

100mA

150mA

12433-014

Rev. A | Page 7 of 9

UG-717 ADP165Z-REDYKIT/ADP166Z-REDYKIT User Guide

ORDERING INFORMATION

BILL OF MATERIALS

Table 2.

Reference Designator Description Manufacturer Part No.

C1, C2 Capacitor, MLCC, 1 µF, 16 V, 0603, X5R Murata (or equivalent) GRM188R61C105KA93

J1, J2 Header, single, STR, two pins Sullins Connector Solutions PEC02SAAN

U1 IC, low dropout (LDO) regulator Analog Devices, Inc. ADP165/ADP166

R1, R2 Resistor, 0402, 1% tolerance Any manufacturer Depends on manufacturer

ADP165Z-REDYKIT CONTENTS

Table 3.

Quantity Model Output Voltage (V) Maximum Current (mA) Description

1 ADP165CB-EVALZ 1.8 150 Evaluation board

ADP165CP-EVALZ

2.3

150

Evaluation board

1 ADP165UJ-EVALZ 3.3 150 Evaluation board

1 ADP165ACPZN-R7 Adjustable 150 6-lead LFCSP

1 ADP165ACPZN-1.2-R7 1.2 150 6-lead LFCSP

1 ADP165ACPZN-1.8-R7 1.8 150 6-lead LFCSP

1 ADP165ACPZN-3.0-R7 3.0 150 6-lead LFCSP

1 ADP165ACPZN-3.3-R7 3.3 150 6-lead LFCSP

1 ADP165AUJZ-R7 Adjustable 150 5-lead TSOT

1 ADP165AUJZ-1.2-R7 1.2 150 5-lead TSOT

1 ADP165AUJZ-1.8-R7 1.8 150 5-lead TSOT

1 ADP165AUJZ-2.3-R7 2.3 150 5-lead TSOT

1 ADP165AUJZ-3.0-R7 3.0 150 5-lead TSOT

Rev. A | Page 8 of 9

ADP165Z-REDYKIT/ADP166Z-REDYKIT User Guide UG-717

ADP166Z-REDYKIT CONTENTS

Table 4.

Quantity Model Output Voltage (V) Maximum Current (mA) Description

ADP166CB-EVALZ

1.8

150

Evaluation board

1 ADP166CP-EVALZ 2.3 150 Evaluation board

1 ADP166UJ-EVALZ 3.3 150 Evaluation board

1 ADP166ACPZN-R7 Adjustable 150 6-lead LFCSP

1 ADP166ACPZN-1.2-R7 1.2 150 6-lead LFCSP

1 ADP166ACPZN-1.8-R7 1.8 150 6-lead LFCSP

1 ADP166ACPZN-3.0-R7 3.0 150 6-lead LFCSP

1 ADP166ACPZN-3.3-R7 3.3 150 6-lead LFCSP

1 ADP166AUJZ-R7 Adjustable 150 5-lead TSOT

1 ADP166AUJZ-1.2-R7 1.2 150 5-lead TSOT

1 ADP166AUJZ-1.8-R7 1.8 150 5-lead TSOT

1 ADP166AUJZ-2.3-R7 2.3 150 5-lead TSOT

1 ADP166AUJZ-3.0-R7 3.0 150 5-lead TSOT

ESD Caution

ESD (electrostatic discharge) sensitive device. Charged devices and circuit boards can discharge without detection. Although this product features patented or proprietary protection circuitry,

damage may occur on devices subjected to high energy ESD. Therefore, proper ESD precautions should be taken to avoid performance degradation or loss of functionality.

Legal Terms and Conditions

By using the evaluation board discussed herein (together with any tools, components documentation or support materials, the “Evaluation Board”), you are agreeing to be bound by the terms and conditions

set forth below (“Agreement”) unless you have purchased the Evaluation Board, in which case the Analog Devices Standard Terms and Conditions of Sale shall govern. Do not use the Evaluation Board until you

have read and agreed to the Agreement. Your use of the Evaluation Board shall signify your acceptance of the Agreement. This Agreement is made by and between you (“Customer”) and Analog Devices, Inc.

(“ADI”), with its principal place of business at One Technology Way, Norwood, MA 02062, USA. Subject to the terms and conditi

ons of the Agreement, ADI hereby grants to Customer a free, limited, personal,

temporary, non-exclusive, non-sublicensable, non-transferable license to use the Evaluation Board FOR EVALUATION PURPOSES ONLY. Customer understands and agrees that the Evaluation Board is provided

for the sole and exclusive purpose referenced above, and agrees not to use the E

valuation Board for any other purpose. Furthermore, the license granted is expressly made subject to the following additional

limitations: Customer shall not (i) rent, lease, display, sell, transfer, assign, sublicense, or distribute the Evaluation Board; and (ii) permit any Third Party to access the Evaluation Board. As used herein, the term

“Third Party” includes any entity other than ADI, Customer, their employees, affiliates and in-house consultants. The Evaluation Board is NOT sold to Customer; all rights not expressly granted herein, including

ownership of the Evaluation Board, are reserved by ADI. CONFIDENTIALITY. This Agreement and the Evaluation Board shall all be considered the confidential and proprietary information of ADI. Customer may

not disclose or transfer any portion of the Evaluation Board to any other party for any reason. Upon discontinuation of use of the Evaluation Board or termination of this Agreement, Customer agrees to

promptly return the Evaluation Board to ADI. ADDITIONAL RESTRICTIONS. Customer may not disassemble, decompile or reverse engineer chips on the Evaluation Board. Customer shall inform ADI of any

occurred damages or any modifications or alterations it makes to the Evaluation Board, including but not limited to soldering or any other activity that affects the material content of the Evaluation Board.

Modifications to the Evaluation Board must comply with applicable law, including but not limited to the RoHS Directive. TERMINATION. ADI may terminate this Agreement at any time upon giving written notice

to Customer. Customer agrees to return to ADI the Evaluation Board at that time. LIMITATION OF LIABILITY. THE EVALUATION BOARD PROVIDED HEREUNDER IS PROVIDED “AS IS” AND ADI MAKES NO

WARRANTIES OR REPRESENTATIONS OF ANY KIND WITH RESPECT TO IT. ADI SPECIFICALLY DISCLAIMS ANY REPRESENTATIONS, ENDORSEMENTS, GUARANTEES, OR WARRANTIES, EXPRESS OR IMPLIED, RELATED

TO THE EVALUATION BOARD INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTY OF MERCHANTABILITY, TITLE, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF INTELLECTUAL

PROPERTY RIGHTS. IN NO EVENT WILL ADI AND ITS LICENSORS BE LIABLE FOR ANY INCIDENTAL, SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES RESULTING FROM CUSTOMER’S POSSESSION OR USE OF

THE EVALUATION BOARD, INCLUDING BUT NOT LIMITED TO LOST PROFITS, DELAY COSTS, LABOR COSTS OR LOSS OF GOODWILL. ADI’S TOTAL LIABILITY FROM ANY AND ALL CAUSES SHALL BE LIMITED TO THE

AMOUNT OF ONE HUNDRED US DOLLARS ($100.00). EXPORT. Customer agrees that it will not directly or indirectly export the Evaluation Board to another country, and that it will comply with all applicable

United States federal laws and regulations relating to exports. GOVERNING LAW. This Agreement shall be governed by and construed in accordance with the substantive laws of the Commonwealth of

Massachusetts (excluding conflict of law rules). Any legal action regarding this Agreement will be heard in the state or federal courts having jurisdiction in Suffolk County, Massachusetts, and Customer hereby

submits to the personal jurisdiction and venue of such courts. The United Nations Convention on Contracts for the International Sale of Goods shall not apply to this Agreement and is expressly disclaimed.

registered trademarks are the property of their respective owners.

UG12433-0-2/15(A)

Rev. A | Page 9 of 9