Datasheet

LTC4055/LTC4055-1
7
4055fb
TYPICAL PERFORMANCE CHARACTERISTICS
Response to HPWR
WALL Connect Waveforms
(V
IN
= 0V)
WALL Disconnect Waveforms
(V
IN
= 0V)
Ideal Diode and Schottky Diode
Forward Voltage vs Current Input Connect Waveforms Input Disconnect Waveforms
V
FWD
(mV)
0
0
I
OUT
(mA)
100
300
400
500
1000
700
100
200
250 450
4055 G19
200
800
900
600
50 150
300
350
400
V
BAT
= 3.5V
V
IN
= 0V
T
A
= 25°C
SCHOTTKY
V
IN
5V/DIV
V
OUT
5V/DIV
I
IN
0.5A/DIV
V
BAT
= 3.5V
I
OUT
= 100mA
I
BAT
0.5A/DIV
1ms/DIV
4055 G20
V
IN
5V/DIV
V
OUT
5V/DIV
I
IN
0.5A/DIV
I
BAT
0.5A/DIV
1ms/DIV
4055 G22
V
BAT
= 3.5V
I
OUT
= 100mA
HPWR
5V/DIV
I
IN
0.5A/DIV
I
BAT
0.5A/DIV
250μs/DIV
4055 G21
V
BAT
= 3.5V
I
OUT
= 50mA
WALL
5V/DIV
OUT
5V/DIV
I
WALL
0.5A/DIV
I
BAT
0.5A/DIV
1ms/DIV
4055 G24
V
BAT
= 3.5V
I
OUT
= 100mA
R
PROG
= 57.6k
WALL
5V/DIV
OUT
5V/DIV
I
WALL
0.5A/DIV
I
BAT
0.5A/DIV
1ms/DIV
4055 G25
V
BAT
= 3.5V
I
OUT
= 100mA
R
PROG
= 57.6k
Response to Suspend
WALL Connect Waveforms
(V
IN
= 5V)
WALL Disconnect Waveforms
(V
IN
= 5V)
SUSPEND
5V/DIV
OUT
5V/DIV
I
IN
0.5A/DIV
I
BAT
0.5A/DIV
1ms/DIV
4055 G23
V
BAT
= 3.5V
I
OUT
= 50mA
WALL
5V/DIV
I
IN
0.5A/DIV
I
WALL
0.5A/DIV
I
BAT
0.5A/DIV
1ms/DIV
4055 G26
V
BAT
= 3.5V
I
OUT
= 100mA
R
PROG
= 57.6k
WALL
5V/DIV
I
IN
0.5A/DIV
I
WALL
0.5A/DIV
I
BAT
0.5A/DIV
1ms/DIV
4055 G27
V
BAT
= 3.5V
I
OUT
= 100mA
R
PROG
= 57.6k