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LTC3544BEUD データシート(PDF) 5 Page - Linear Technology

部品番号 LTC3544BEUD
部品情報  Quad Synchronous Step-Down Regulator: 2.25MHz, 300mA, 200mA, 200mA, 100mA
PDF  16 Pages
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メーカー  LINER [Linear Technology]
ホームページ  http://www.linear.com
Logo LINER - Linear Technology

LTC3544BEUD データシート(HTML) 5 Page - Linear Technology

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LTC3544B
5
3544bfa
TYPICAL PERFORMANCE CHARACTERISTICS
Start-Up Curves, All Channels
Load Step Response, 300mA
Channel
Load Step Response, 200mA
Channel A
Load Step Response, 200mA
Channel B
Load Step Response, 100mA
Channel
Load Step Crosstalk
PFET RDS(ON) vs Supply Voltage
NFET RDS(ON) vs Supply Voltage
VOUT100
VOUT200A
VOUT200B
VOUT300
RUNx
200
μs/DIV
VIN = 3.6V
TA = 25°C
ALL CHANNELS UNLOADED
3544B G10
VOUT300
100mV/DIV
AC COUPLED
IL
250mA/DIV
ILOAD
250mA/DIV
20
μs/DIV
VIN = 3.6V
VOUT = 1.8V
TA = 25°C
ILOAD = 300μA TO 300mA
3544B G11
VOUT200A
50mV/DIV
AC COUPLED
IL
250mA/DIV
ILOAD
100mA/DIV
20
μs/DIV
VIN = 3.6V
VOUT = 0.8V
TA = 25°C
ILOAD = 340μA TO 200mA
3544B G12
VOUT200B
50mV/DIV
AC COUPLED
IL
250mA/DIV
ILOAD
100mA/DIV
20
μs/DIV
VIN = 3.6V
VOUT = 1.5V
TA = 25°C
ILOAD = 340μA TO 200mA
3544B G13
VOUT100
50mV/DIV
AC COUPLED
IL
100mA/DIV
ILOAD
100mA/DIV
20
μs/DIV
VIN = 3.6V
VOUT = 1.2V
TA = 25°C
ILOAD = 200μA TO 100mA
3544B G14
VOUT100
10mV/DIV
VOUT200A
10mV/DIV
VOUT200B
10mV/DIV
VOUT300
100mV/DIV
40
μs/DIV
VIN = 3.6V
TA = 25°C
300mA LOAD STEP ON VOUT300
OTHER CHANNELS LOADED 50% OF MAXIMUM
3544B G15
VIN (V)
2
0
0.2
0.4
0.6
0.8
34
5
6
3544B G16
1.0
1.2
2.5
3.5
4.5
5.5
300
200 (B)
200 (A)
100
TA = 25°C
VIN (V)
2
0
0.1
0.3
0.4
0.5
1.0
0.7
3
4
3544B G17
0.2
0.8
0.9
0.6
5
6
300
200 (B)
200 (A)
100
TA = 25°C



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