LTC4055 データシートの表示（PDF） - Linear Technology
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LTC4055 Datasheet PDF : 24 Pages
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LTC4055/LTC4055-1
TYPICAL PERFORMANCE CHARACTERISTICS
Ideal Diode and Schottky Diode
Forward Voltage vs Current
1000
900
800
VBAT = 3.5V
VIN = 0V
TA = 25°C
700
600
500
400
SCHOTTKY
300
200
100
0
0 50 100 150 200 250 300 350 400 450
VFWD (mV)
4055 G19
Input Connect Waveforms
VIN
5V/DIV
VOUT
5V/DIV
IIN
0.5A/DIV
IBAT
0.5A/DIV
VBAT = 3.5V
IOUT = 100mA
1ms/DIV
4055 G20
Response to HPWR
WALL Connect Waveforms
(VIN = 0V)
HPWR
5V/DIV
IIN
0.5A/DIV
IBAT
0.5A/DIV
WALL
5V/DIV
OUT
5V/DIV
IWALL
0.5A/DIV
IBAT
0.5A/DIV
Input Disconnect Waveforms
VIN
5V/DIV
VOUT
5V/DIV
IIN
0.5A/DIV
IBAT
0.5A/DIV
VBAT = 3.5V
IOUT = 100mA
1ms/DIV
4055 G22
WALL Disconnect Waveforms
(VIN = 0V)
WALL
5V/DIV
OUT
5V/DIV
IWALL
0.5A/DIV
IBAT
0.5A/DIV
VBAT = 3.5V
IOUT = 50mA
250μs/DIV
4055 G21
VBAT = 3.5V
IOUT = 100mA
RPROG = 57.6k
1ms/DIV
4055 G24
VBAT = 3.5V
IOUT = 100mA
RPROG = 57.6k
1ms/DIV
4055 G25
Response to Suspend
SUSPEND
5V/DIV
OUT
5V/DIV
IIN
0.5A/DIV
IBAT
0.5A/DIV
VBAT = 3.5V
IOUT = 50mA
1ms/DIV
WALL Connect Waveforms
(VIN = 5V)
WALL
5V/DIV
IIN
0.5A/DIV
IWALL
0.5A/DIV
IBAT
0.5A/DIV
WALL Disconnect Waveforms
(VIN = 5V)
WALL
5V/DIV
IIN
0.5A/DIV
IWALL
0.5A/DIV
IBAT
0.5A/DIV
4055 G23
VBAT = 3.5V
IOUT = 100mA
RPROG = 57.6k
1ms/DIV
4055 G26
VBAT = 3.5V
IOUT = 100mA
RPROG = 57.6k
1ms/DIV
4055 G27
4055fb
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