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LTC4054-4.2 Datasheet(PDF) 4 Page - Linear Technology

Part # LTC4054-4.2
Description  Standalone Linear Li-Ion Battery Charger with Thermal Regulation in ThinSOT
Download  16 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC4054-4.2 Datasheet(HTML) 4 Page - Linear Technology

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LTC4054-4.2/LTC4054X-4.2
405442xf
TEMPERATURE (
°C)
–50
3.7
3.5
3.3
3.1
2.9
2.7
2.5
25
75
4054 G04
–25
0
50
100
125
VPROG (V)
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
4054 G05
2.0
2.1
2.2
2.3
2.4
2.5
2.6
VPROG (V)
2.0
5.0
4054 G06
3.0
4.0
0
–50
–100
–150
–200
–250
–300
–350
–400
2.5
3.5
4.5
5.5
TEMPERATURE (
°C)
–50
100
4054 G07
050
4.26
4.24
4.22
4.20
4.18
4.16
4.14
4.12
4.10
–25
25
75
4.215
4.210
4.205
4.200
4.195
4.190
4.185
4054 G08
IBAT (mA)
0
100
200
300
400
500
700
600
VCC (V)
4.0
4.215
4.210
4.205
4.200
4.195
4.190
4.185
4.5
5.0
5.5
6.0
4054 G09
6.5
7.0
TEMPERATURE (
°C)
–50
100
4054 G11
050
20
18
16
14
12
10
8
6
4
–25
25
75
125
0
22
20
18
16
14
12
10
8
35
4054 G12
12
46
7
VCHRG (V)
0
25
20
15
10
5
0
2
4
5
4054 G10
1
3
6
7
VBAT = 4.3V
VPROG = 0V
VCC = 5V
VBAT = 4.3V
TA = 25°C
VCC = 5V
VBAT = 4.3V
TA = 25°C
VCC = 6.5V
VCC = 4.2V
VCC = 5V
TA = 25°C
RPROG = 1.25k
VCC = 5V
RPROG = 10k
TA = 25°C
RPROG = 10k
VCC = 5V
VBAT = 4V
TA = 25°C
VCC = 5V
VBAT = 4.3V
TA = 25°C
VCC = 5V
VBAT = 4V
VCHRG = 1V
VCHRG (V)
TYPICAL PERFOR A CE CHARACTERISTICS
PROG Pin Pull-Up Current vs
Temperature and Supply Voltage
PROG Pin Current vs PROG Pin
Voltage (Pull-Up Current)
PROG Pin Current vs PROG Pin
Voltage (Clamp Current)
Regulated Output (Float) Voltage
vs Charge Current
Regulated Output (Float) Voltage
vs Temperature
Regulated Output (Float) Voltage
vs Supply Voltage
CHRG Pin I-V Curve
(Strong Pull-Down State)
CHRG Pin Current vs Temperature
(Strong Pull-Down State)
CHRG Pin I-V Curve
(Weak Pull-Down State)


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