Datasheet

5
LTC4054-4.2/LTC4054X-4.2
405442xf
TEMPERATURE (°C)
–50
–25
0 25 50 75 100
TEMPERATURE (°C)
–50
I
CHRG
(µA)
28
25
23
19
16
13
10
–25
02550
4054 G13
75 100
TEMPERATURE (°C)
–50
–25
0 25 50 75 100
I
TRIKL
(mA)
I
TRIKL
(mA)
50
40
30
20
10
0
4054 G14
V
CC
(V)
4.0
50
40
30
20
10
0
4.5 5.0 5.5 6.0
4054 G15
6.5 7.0
V
TRIKL
(V)
4054 G16
3.000
2.975
2.950
2.925
2.900
2.875
2.850
2.825
2.800
V
BAT
(V)
2.7 3.0
I
BAT
(mA)
I
BAT
(mA)
3.3 3.93.6
4.2
4.5
4054 G17
600
500
400
300
200
100
0
I
BAT
(mA)
600
500
400
300
200
100
0
V
CC
(V)
4.0
600
500
400
300
200
100
0
4.5
5.0 5.5 6.0
4054 G18
6.5 7.0
V
RECHRG
(V)
4.11
4.09
4.07
4.05
4.03
4.01
3.99
4054 G20
TEMPERATURE (°C)
–50 25 75
4054 G19
–25 0
50 100 125
TEMPERATURE (°C)
–50 25 75
–25 0
50 100
–50 25 75
–25 0
50 100 125
TEMPERATURE (°C)
R
DS(ON)
(mΩ)
700
650
600
550
500
450
400
350
4054 G21
V
CC
= 5V
V
BAT
= 4.3V
V
CHRG
= 5V
V
CC
= 5V
V
BAT
= 2.5V
V
BAT
= 2.5V
T
A
= 25°C
V
BAT
= 4V
T
A
= 25°C
θ
JA
= 80°C/W
ONSET OF
THERMAL
REGULATION
V
CC
= 5V
θ
JA
= 125°C/W
R
PROG
= 2k
V
CC
= 5V
R
PROG
= 10k
V
CC
= 5V
V
BAT
= 4V
θ
JA
= 80°C/W
V
CC
= 5V
R
PROG
= 10k
V
CC
= 4.2V
I
BAT
= 100mA
R
PROG
= 2k
R
PROG
= 2k
R
PROG
= 10k
R
PROG
= 10k
R
PROG
= 2k
R
PROG
= 10k
R
PROG
= 2k
R
PROG
= 10k
R
PROG
= 2k
T
A
= 40°C
T
A
= 25°C
T
A
= 0°C
ONSET OF
THERMAL
REGULATION
TYPICAL PERFOR A CE CHARACTERISTICS
UW
CHRG Pin Current vs Temperature
(Weak Pull-Down State)
Trickle Charge Current
vs Temperature
Trickle Charge Current vs
Supply Voltage
Trickle Charge Threshold vs
Temperature
Charge Current vs Battery Voltage
Charge Current vs Supply Voltage
Charge Current vs Ambient
Temperature
Recharge Voltage Threshold
vs Temperature
Power FET “ON” Resistance
vs Temperature