LXDC2HL series
Micro DCDC converter
1
Confidential & Preliminary June.8,2010
1. Features
Low EMI noise and small footprint using inductor-imbedded ferrite substrate
High efficiency using synchronous rectifier technology and PFM/PWM auto-select function
Input voltage range : 2.3~5.5V
Maximum Load Current: 600mA (depends on output voltage)
Fixed output voltage: 0.8V – 4V
Switching frequency : 3.0MHz
2. Mechanical details
2-1 Outline
a
1 2
3
4
b
c
c
あ２
L
W
X
X X
T
IC Capacitor
Substrate
1 pin MarkDevice&Trace
Code
Unit: mm
Mark Dimension
L 2.5 +/- 0.2
W 2.0 +/- 0.2
T 1.1 MAX
a 0.85 +/- 0.1
b 0.60 +/- 0.1
c 0.15 +/- 0.15
2-2. Pin configuration
Pin Symbol I/O Description
1 Vin Input Voltage input pin
2 EN Input ON/OFF control pin
H: Enable, L: Disable
3 Vout Output Voltage output pin
4 GND - GND pin
LXDC2HL series
Micro DCDC converter
2
Confidential & Preliminary June.8,2010
3. Ordering Information
Part number Output Voltage Device Specific Feature MOQ
LXDC2HL10A-080 1.0V T/R, 3000pcs/R
LXDC2HL12A-050 1.2V T/R, 3000pcs/R
LXDC2HL1DA-087 1.35V T/R, 3000pcs/R
LXDC2HL15A-051 1.5V T/R, 3000pcs/R
LXDC2HL18A-052 1.8V T/R, 3000pcs/R
LXDC2HL25A-053 2.5V T/R, 3000pcs/R
LXDC2HL30A-054 3.0V T/R, 3000pcs/R
LXDC2HL33A-055 3.3V T/R, 3000pcs/R
4. Electrical Specification
4-1 Absolute maximum ratings
Parameter symbol rating Unit
Maximum input voltage Vin 6.3 V
Operating temperature TOP -40 to +85 oC
Storage temperature TSTO -40 to +85 oC
LXDC2HL series
Micro DCDC converter
3
Confidential & Preliminary June.8,2010
4-2 Electrical characteristics (Ta=25℃)
Parameter Symbol Condition Min. Typ. Max. Unit
Input voltage Vin 2.3 3.6 5.5 V
UVLO voltage UVLO 1.0 1.4 1.8 V
LXDC2HL10A-080
LXDC2HL12A-050
LXDC2HL1DA-087
LXDC2HL15A-051
LXDC2HL18A-052
Vin=3.6V,
EN=0V
LXDC2HL25A-053
LXDC2HL30A-054
Input leak current lin-off
Vin=5.0V,
EN=0V LXDC2HL33A-055
0 2 uA
LXDC2HL10A-080 0.976 1.0 1.024
LXDC2HL12A-050
1.176 1.20 1.224
LXDC2HL1DA-087 1.323 1.35 1.377
LXDC2HL15A-051 1.47 1.50 1.53
LXDC2HL18A-052
1.764 1.80 1.836
Vin-Vout>1V
LXDC2HL25A-05３ 2.45 2.50 2.55
Vin-Vout>0.7V LXDC2HL30A-054 2.94 3.00 3.06
Output voltage
accuracy Vout
Vin-Vout>0.5V LXDC2HL33A-055 3.234 3.30 3.366
V
LXDC2HL10A-080
LXDC2HL12A-050
LXDC2HL1DA-087
LXDC2HL15A-051
LXDC2HL18A-052
0 600
LXDC2HL25A-053 0 500
LXDC2HL30A-054 0 400
Load current range Iout
LXDC2HL33A-055 0 300
mA
LXDC2HL10A-080
LXDC2HL12A-050
LXDC2HL1DA-087
LXDC2HL15A-051
LXDC2HL18A-052
Vin=3.6V,
Iout=300mA,
BW=100MHz
LXDC2HL25A-053
LXDC2HL30A-054
Ripple voltage Vrpl
Vin=5V,
Iout=300mA,
BW=100MHz LXDC2HL33A-055
15 30 mV
LXDC2HL series
Micro DCDC converter
4
Confidential & Preliminary June.8,2010
Parameter Symbol Condition Min. Typ. Max. Unit
LXDC2HL10A-080 73 78
LXDC2HL12A-050 75 80
LXDC2HL1DA-087 77 82
LXDC2HL15A-051 81 85
LXDC2HL18A-052 81 85
Vin=3.6V,
Iout=150mA
LXDC2HL25A-053 84 88
LXDC2HL30A-054 83 87
Efficiency EFF
Vin=5V,
Iout=150mA LXDC2HL33A-055 84 88
%
VENH ON ; Enable 1.4 Vin V
EN control voltage VENL OFF ; Disable 0 0.25 V
SW Frequency fosc 2.5 3.0 3.5 MHｚ
LXDC2HL10A-080
LXDC2HL12A-050
LXDC2HL1DA-087
LXDC2HL15A-051
LXDC2HL18A-052
600 900 1200
LXDC2HL25A-053 550 900 1200
LXDC2HL30A-054 450 900 1200
LXDC2HL33A-055 350 900 1200
mA
OCP
If the over current event continues less than Tlatch, auto-recovery.
If the over current event continues more than Tlatch, latch-up.
Restart by toggling EN voltage or Vin voltage
Over current
protection
Tlatch Latch-up mask time
@Vout=0.8×Vnom 20 Usec
Start-up time Ton 0.9 Msec
* Test condition is shown in section 6.
LXDC2HL series
Micro DCDC converter
5
Confidential & Preliminary June.8,2010
5. Test Circuit
Cin : 4.7uF/6.3V (GRM188B30J475K)
Cout : 10uF/6.3V (GRM188B30J106M)
6. Reference Land Pattern
Unit: mm
Mark Dimension
a 0.85
b 0.60
c 0.5
d 0.2
Notes: this land layout is for reference purpose only.
c
b
a
c
d
d
LXDC2HL series
Micro DCDC converter
6
Confidential & Preliminary June.8,2010
7. Measurement Data
Micro DCDC Converter evaluation board (P2LX0244)
Measurement setup
Enable
SW
VIN
VIN_S
GND
VOUT_S
A
A
VOUT
GND_S
V
GND_S
Load
V
GND
LXDC2HL series
Micro DCDC converter
7
Confidential & Preliminary June.8,2010
65
70
75
80
85
1 10 100 1000
EFF [%]
Iout [mA]
Efficiency
65
70
75
80
85
1 10 100 1000
EFF [%]
Iout [mA]
Efficiency
70
75
80
85
90
1 10 100 1000
EFF [%]
Iout [mA]
Efficiency
70
75
80
85
90
1 10 100 1000
EFF [%]
Iout [mA]
Efficiency
75
80
85
90
95
1 10 100 1000
EFF [%]
Iout [mA]
Efficiency
Io-EFF Characteristics
60
65
70
75
80
1 10 100 1000
Io(mA)
EFF(%)
EFF [
％
]
Typical Measurement Data (reference purpose only)
Efficiency
Vin=3.6V, Vout=1.0V Vin=3.6V, Vout=1.2V
Vin=3.6V, Vout=1.35V Vin=3.6V, Vout=1.5V
Vin=3.6V, Vout=1.8V Vin=3.6V, Vout=2.5V
Efficiency
Iout [mA]
LXDC2HL series
Micro DCDC converter
8
Confidential & Preliminary June.8,2010
75
80
85
90
95
1 10 100 1000
EFF [%]
Iout [mA]
Efficiency
75
80
85
90
95
1 10 100 1000
EFF [%]
Iout [mA]
Efficiency
Vin=5.0V, Vout=3.0V Vin=5.0V, Vout=3.3V
LXDC2HL series
Micro DCDC converter
9
Confidential & Preliminary June.8,2010
Io-Vout Characteristics
0.970
0.980
0.990
1.000
1.010
1.020
1.030
0 100 200 300 400 500 600
Io(mA)
Vout(V)
Vout [V]
Typical Measurement Data (reference purpose only)
Load Regulation
Vin=3.6V, Vout=1.0V Vin=3.6V, Vout=1.2V
Vin=3.6V, Vout=1.35V Vin=3.6V, Vout=1.5V
Vin=3.6V, Vout=1.8V Vin=3.6V, Vout=2.5V
1.323
1.337
1.350
1.364
1.377
0 100 200 300 400 500 600
Vout [V]
Iout [mA]
Load Regulation
1.176
1.188
1.200
1.212
1.224
0 100 200 300 400 500 600
Vout [V]
Iout [mA]
Load Regulation
1.470
1.485
1.500
1.515
1.530
0 100 200 300 400 500 600
Vout [V]
Iout [mA]
Load Regulation
1.764
1.782
1.800
1.818
1.836
0 100 200 300 400 500 600
Vout [V]
Iout [mA]
Load Regulation
2.450
2.475
2.500
2.525
2.550
0 100 200 300 400 500
Vout [V]
Iout [mA]
Load Regulation
Load Regulation
Iout [mA]
LXDC2HL series
Micro DCDC converter
10
Confidential & Preliminary June.8,2010
Vin=5.0V, 3.0V Vin=5.0V, Vout=3.3V
2.940
2.970
3.000
3.030
3.060
0 100 200 300 400
Vout [V]
Iout [mA]
Load Regulation
3.234
3.267
3.300
3.333
3.366
0 100 200 300
Vout [V]
Iout [mA]
Load Regulation
LXDC2HL series
Micro DCDC converter
11
Confidential & Preliminary June.8,2010
Io-Vrpl Characteristics
0
10
20
30
40
0 100 200 300 400 500 600
Io(mA)
Vrpl(mV)
Vrpl [mV]
Typical Measurement Data (reference purpose only)
Output Ripple-Noise
Vin=3.6V, Vout=1.0V, BW : 100MHz Vin=3.6V, Vout=1.2V, BW: 150MHz
Vin=3.6V, Vout=1.35V, BW: 150MHz Vin=3.6V, Vout=1.5V, BW: 150MHz
Vin=3.6V, Vout=1.8V, BW: 150MHz Vin=3.6V, Vout=2.5V, BW: 150MHz
0
10
20
30
40
50
0 100 200 300 400 500 600
Vrpl [mV]
Iout [mA]
Output Ripple Noise
0
10
20
30
40
50
0 100 200 300 400 500 600
Vrpl [mV]
Iout [mA]
Output Ripple Noise
0
10
20
30
40
50
0 100 200 300 400 500
Vrpl [mV]
Iout [mA]
Output Ripple Noise
0
10
20
30
40
50
0 100 200 300 400 500 600
Vrpl [mV]
Iout [mA]
Output Ripple Noise
0
10
20
30
40
50
0 100 200 300 400 500 600
Vrpl [mV]
Iout [mA]
Output Ripple Noise
Output Ripple Noise
Iout [mA]
LXDC2HL series
Micro DCDC converter
12
Confidential & Preliminary June.8,2010
Vin=5.0V, Vout=3.0V, BW: 150MHz Vin=5.0V, Vout=3.3V, BW: 150MHz
0
10
20
30
40
50
0 100 200 300
Vrpl [mV]
Iout [mA]
Output Ripple Noise
0
10
20
30
40
50
0 100 200 300 400
Vrpl [mV]
Iout [mA]
Output Ripple Noise
LXDC2HL series
Micro DCDC converter
13
Confidential & Preliminary June.8,2010
Typical Measurement Data (reference purpose only)
Load Transient Response
Vin=3.6V, Vout=1.0V
TBD
Vin=3.6V, Vout=1.2V
100mV/div
58mV
-80mV
ΔIo=600mA
LXDC2HL series
Micro DCDC converter
14
Confidential & Preliminary June.8,2010
Vin=3.6V, Vout=1.35V
Vin=3.6V, Vout=1.8V
ΔIo=600mA
66mV
-86mV
100mV/div
ΔIo=600mA
-108m
76mV
100mV/div
LXDC2HL series
Micro DCDC converter
15
Confidential & Preliminary June.8,2010
Vin=3.6V, Vout=2.5V
Vin=5.0V, Vout=3.0V
ΔIo=500mA
ΔIo=400mA
-
128
m
V
100mV/div
100mV/div 114mV
-140mV
106mV
LXDC2HL series
Micro DCDC converter
16
Confidential & Preliminary June.8,2010
Vin=5.0V, Vout=3.3V
ΔIo=300mA
-
112mV
106
m
V
100mV/div
LXDC2HL series
Micro DCDC converter
17
Confidential & Preliminary June.8,2010
8. Tape and Reel Packing
1）Dimensions of Tape (Plastic tape) Unit: mm
2） Dimensions of Reel
Unit: mm
13.0±1.4
9.0±0.3
Φ13±0.2
Φ60
2±0.5
Feeding direction
Φ180
LXDC2HL series
Micro DCDC converter
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Confidential & Preliminary June.8,2010
3）Taping Diagrams
[1] Feeding Hole : As specified in (1)
[2] Hole for chip : As specified in (1)
[3] Cover tape : 50um in thickness
[4] Base tape : As specified in (1)
Feeding Hole
[2]
[3]
[4]
[3] [1]
Chip
Feeding Direction
LXDC2HL series
Micro DCDC converter
19
Confidential & Preliminary June.8,2010
4）Leader and Tail tape
Symbol Items Ratings(mm)
A No components at trailer min 160
B No components at leader min 100
C Whole leader min 400
5）The tape for chips are wound clockwise, the feeding holes to the right side as the tape is pulled
toward the user.
6）Packaging unit: 3,000 pcs./ reel
7） Material： Base Tape … Plastic
Reel … Plastic
Antistatic coating for both base tape and reel
8）Peeling of force
165 to 180 °
0.7 N max.
ベ ー ス テ ー プ
カバ ー テ ー プ
部品収納部
B
C
A
0.1~1.0N
Cover Tape
Base Tape
Components
