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C-4

Setpoint Accuracy ±5 %

Line Regulation Vin Min. - Vin Max., Iout Rated ±1.5% Vout

Load Regulation Iout Min. - Iout Max., Vin Nom. ±2.5% Vout

Minimum Output Current 10% Iout Rated

Dynamic Regulation, Loadstep 25% Iout

Pk Deviation 1% Vout

Settling Time 500 µs

Temperature Coefficient 0.02%/°C

Ripple And Noise, 20 MHz BW 150 mV

Short Circuit Protection 1 Continuous

Current Limit 180%

Output

Voltage Range

5 VDC Nominal 4.5 - 9 VDC

12 VDC Nominal 9 - 18 VDC

Reflected Ripple 20% Iin Max.

Reverse Input Current 100% Iin Max.

TECHNICAL SPECIFICA TIONS

BWS DC/DC converters offer excellent regulation and

isolation in an industry standard DIP package. The

BWS is ideal for industrial, telecom, and networking

applications, and features short circuit protection, low

profile, and 500 VDC isolation. Please see the BWD

series for dual output applications.

• Industry Standard DIP

Package

• Industry Standard Pinout

• 85°C Case Operation

• Short Circuit Protection

• Wide Range Inputs

• Input Pi Filter

• Regulated Outputs

• 500V Isolation

Input

General

DESCRIPTION FEATURES

BWS SERIES - 2.5 WATT

Switching Frequency 200 kHz

Isolation

Input - Output 500 VDC

Input - Case 500 VDC

Output - Case 500 VDC

Isolation Resistance - Input to Output 109 Ohms

Isolation Capacitance - Input to Output 80 pF

No Load Input Power 0.70 W

Case Temperature

Standard Operating R ange -25 to +85°C

Industrial Range (Add -I to p/n) -40 to +85°C

Storage Range -40 to +125°C

Humidity Max., Non-Condensing 95%

Vibration, 3 Axes, 5 Min Each 5 g, 10 - 55 Hz

Safety UL, cUL, TUV

Weight (approx.) 0.6 oz

Notes

1 Continuous short circuit protection is provided. Long-term continuous operation in

this mode is not recommended. Converter will auto-restart once fault has been

removed.

Specifications typically at 25°C, normal line, and full load, unless otherwise stated.

Soldering Conditions: I/O pins, 260°C, ten seconds; fully compatible with

commercial wave-soldering equipment.

Safety: Agency approvals may vary from model to model. Please consult factory

for specific model information.

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BWS SERIES - 2.5 WATT

MODELS - (See the last page of this file for options.)

Thermal Impedance

Natural Convection 23.6 °C/W

100 LFM 16.7 °C/W

200 LFM 13.1 °C/W

300 LFM 9.4 °C/W

400 LFM 8.5 °C/W

Tolerances

Note:

Thermal impedance data is dependent on

many environmental factors. The exact

thermal performance should be validated for

specific application.

Pin Function

1 & 24 No Pin

2 & 23 -Vin / +Vin

3 & 22 -Vin / +Vin

4 & 21 No Pin

5 & 20 No Pin

6 & 19 No Pin

7 & 18 No Pin

8 & 17 No Pin

9 & 16 NC / -Vout

10 & 15 NC / NC

11 & 14 NC / +Vout

12 & 13 No Pin

Inches:

.XX ± 0.040

.XXX ± 0.010

Pin:

± 0.002 ± 0.05

(Dimensions as listed unless otherwise specified.)

(Millimeters)

.X ± 1.0

.XX ± 0.25

MECHANICAL DRAWING

Vin

(Volts) Vi n Range

(Volts) Iin Max.*

(Amps) Vout

(Volts) Iout Rated

(Amps) Ri p p l e & No i s e

Pk-Pk (mV) Efficiency

Typ. ** Model

4.5 - 9

9 - 18

0.85

0.95

0.45

0.50

0.25

0.20

0.50

0.25

0.20

150

71%

79%

70%

79%

BWS505

BWS512

BWS515

BWS1205

BWS1212

BWS1215

* Max i mum i np ut c urre nt at mi ni mum i np ut v o l tag e , max i mum rate d outp ut p owe r.

** At no mi nal V i n, rate d o utp ut.

-0.175"(-4.5mm)

0.900" (22.9mm)

0.800" (20.3mm)

0.200"(5.1mm)

0.100"(2.5mm)

16 9

BOTTOM VIEW

0.18"(4.6mm)

(0.5mm)

(20.3mm)

0.80"

(31.8mm) DIA 0.020"

1.25"

0.52"

(13.2mm)

(15.2mm)

0.600"

(-2.5mm)

-0.10"

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OPTIONS

When ordering equipment options, use the following suffix information. Select the option(s) that

you prefer and add them to the model number. Example ordering options are located below the

options table.

OPTION SUFFIX APPLICABLE SERIES REMARKS

Negative Logic N HAS, HBD, HBS, HES, LES, QBS,

QES, TES, TQD TTL “Low” Turns Module ON

TTL “High” Turns Module OFF

Lucent Compatible Trim T HAS, HBD, HBS, HES, QBS, QES

Terminal Strip TS X WS

Trim 1 IAS, LES

Enable 2 IAD, IAS, LES, SMS

Trim and Enable 3 IAS, LES

Current Share 4 SMS

Headerless Y E ncapsulated EWS, IWS, OWS

PIN LENGTH A ND HEAT SINK

OPTIONS Standard Pin Length is 0.180”

(4.6mm)

0.110” (2.8mm) Pin Length 8 All Units (Except SMS)

0.150” (3.8mm) Pin Length 9 All Units (Except SMS)

0.24” (6.1mm) Horizontal Heatsi nk 1H All Units (Except DIP, SIP, and SM