Datasheet

LTC4054L-4.2
5
4054l42fa
Typical perForMance characTerisTics
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
CHRG Pin Current vs Temperature
(Weak Pull-Down State)
Trickle Charge Current
vs Temperature
Trickle Charge Current
vs Supply Voltage
TEMPERATURE (°C)
–50
10
I
CHRG
(µA)
13
16
19
22
28
–25
0 25 50
4054L G13
75 100
25
V
CC
= 5V
V
BAT
= 4.3V
V
CHRG
= 5V
TEMPERATURE (°C)
–50
0
I
TRKL
(mA)
3
6
9
12
15
–25
0 25 50
4054L G14
75 100
R
PROG
= 1k
R
PROG
= 15k
V
CC
= 5V
V
BAT
= 2.5V
V
CC
(V)
4
0
I
TRKL
(mA)
3
6
9
12
15
4.5
5 5.5 6
4054L G15
6.5 7
R
PROG
= 1k
R
PROG
= 15k
V
BAT
= 2.5V
T
A
= 25°C
TEMPERATURE (°C)
–50
V
TRKL
(V)
25
75
4054L G16
–25 0 50
2.950
2.925
2.900
2.875
2.850
2.825
2.800
2.975
3.000
100
V
CC
= 5V
R
PROG
= 1k
V
BAT
(V)
2.7
0
I
BAT
(mA)
40
80
120
160
3.0 3.3 3.6 3.9
4054L G17
4.2 4.5
V
CC
= 5V
R
PROG
= 1k
T
A
= 25°C
θ
JA
= 125°C/W
V
CC
(V)
4
0
I
BAT
(mA)
40
80
120
160
200
4.5
5 5.5 6
4054L G18
6.5 7
R
PROG
= 1k
R
PROG
= 15k
V
BAT
= 4V
T
A
= 25°C
θ
JA
= 125°C/W
TEMPERATURE (°C)
–50
I
BAT
(mA)
120
150
180
25 75
4054L G19
90
60
–25 0
50 100 125
30
0
R
PROG
= 1k
R
PROG
= 15k
V
BAT
= 4V
V
CC
= 5V
θ
JA
= 125°C/W
ONSET OF
THERMAL
REGULATION
TEMPERATURE (°C)
–50
3.99
V
RECHRG
(V)
4.01
4.03
4.05
4.07
4.11
–25
0 25 50
4054L G20
75 100
4.09
V
CC
= 5V
R
PROG
= 1k
TEMPERATURE (°C)
–50 –25
0.8
R
DS(ON)
(mΩ)
1.2
1.8
0
50
75
4054L G21
1.0
1.6
1.4
25
100
125
V
CC
= 4.1V
V
BAT
= 4V
R
PROG
= 1k