Datasheet

LTC4055/LTC4055-1
5
4055fb
TYPICAL PERFORMANCE CHARACTERISTICS
Input Supply Current
vs Temperature
Input Supply Current
vs Temperature (Suspend Mode)
Battery Drain Current
vs Temperature
(BAT Powers OUT, No Load)
Input Current Limit
vs Temperature, HPWR = 5V
Input Current Limit
vs Temperature, HPWR = 0V R
ON
vs Temperature
PROG Pin Voltage vs Temperature
CLPROG Pin Voltage
vs Temperature
Battery Regulated Output (Float)
Voltage vs Temperature
TEMPERATURE (°C)
–50 –25 25 75
0
I
IN
(μA)
100
300
400
500
50
900
4055 G01
200
0 100
600
700
800
V
IN
= 5V
V
BAT
= 4.2V
R
PROG
= R
CLPROG
= 100k
TEMPERATURE (°C)
–50
0
I
IN
(μA)
10
20
30
40
60
–25
02550
4055 G02
75 100
50
V
IN
= 5V
V
BAT
= 4.2V
R
PROG
= R
CLPROG
= 100k
SUSP = 5V
TEMPERATURE (°C)
–50
70
60
50
40
30
20
10
0
25 75
4055 G03
–25 0
50 100
I
BAT
(μA)
V
IN
= 0V
V
BAT
= 4.2V
TEMPERATURE (°C)
–50 –25
465
I
IN
(mA)
485
515
0
50
75
4055 G04
475
505
495
25
100
125
V
IN
= 5V
V
BAT
= 3.5V
R
PROG
= R
CLPROG
= 100k
TEMPERATURE (°C)
–50
I
IN
(mA)
100.0
102.5
105.0
25 75
4055 G05
97.5
95.0
–25 0
50 100 125
92.5
90.0
V
IN
= 5V
V
BAT
= 3.5V
R
PROG
= R
CLPROG
= 100k
TEMPERATURE (°C)
–50
R
ON
(mΩ)
200
225
250
25 75
4055 G06
175
150
–25 0
50 100 125
125
100
I
LOAD
= 400mA
V
IN
= 4.5V
V
IN
= 5.5V
V
IN
= 5V
TEMPERATURE (°C)
–50
V
PROG
(V)
0.995
1.000
1.005
25
75
4055 G07
0.990
0.985
0.980
–25 0 50
1.010
1.015
1.020
100
V
IN
= 5V
R
PROG
= 100k
TEMPERATURE (°C)
–50
V
CLPROG
(V)
0.995
1.000
1.005
25
75
4055 G08
0.990
0.985
0.980
–25 0 50
1.010
1.015
1.020
100
V
IN
= 5V
R
CLPROG
= 100k
TEMPERATURE (oC)
–50
V
FLOAT
(V)
25
75
4055 G09
4.2
4.1
4.0
4.3
–25 0 50
100
V
IN
= 5V
LTC4055
LTC4055-1