ltc4069edc-trpbf Linear Technology Corporation, ltc4069edc-trpbf Datasheet - Page 5
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ltc4069edc-trpbf
Manufacturer Part Number
ltc4069edc-trpbf
Description
Standalone 750ma Li-ion Battery Charger In 2 X 2 Dfn With Ntc Thermistor Input
Manufacturer
Linear Technology Corporation
Datasheet
1.LTC4069EDC-TRPBF.pdf
(16 pages)
TYPICAL PERFOR A CE CHARACTERISTICS
4.00
3.75
3.50
3.25
3.00
2.75
2.50
140
120
100
80
60
40
20
0
–50
–50
Undervoltage Lockout Threshold
Voltage vs Temperature
CHRG Pin Output Low Voltage
vs Temperature
V
I
CHRG
CC
–25
= 5V
–25
= 5mA
TEMPERATURE (°C)
TEMPERATURE (°C)
0
0
RISE
FALL
5.0
4.5
4.0
3.5
3.0
25
25
–50
PROG Pin Shutdown Voltage
Threshold vs Temperature
V
CC
= 5V
50
50
–25
W
TEMPERATURE (°C)
75
75
0
4069 G10
4069 G16
100
U
100
25
50
60
50
40
30
20
10
–5
–1
–2
–3
–4
–6
–7
0
1
0
–50
75
4
Timer Accuracy vs Temperature
Trickle Charge Current
vs Supply Voltage
V
V
T
4069 G20
A
CC
BAT
= 25°C
= 5V
100
–25
= 2V
4.5
SUPPLY VOLTAGE (V)
TEMPERATURE (°C)
0
R
R
PROG
PROG
25
5
= 10k
= 2k
50
5.5
4.0
3.5
2.0
5.0
4.5
3.0
2.5
75
4069 G14
PROG Pin Shutdown Voltage vs
Supply Voltage
4
4069 G18
T
A
= 25°C
100
6
4.5
SUPPLY VOLTAGE (V)
–0.5
–1.0
–1.5
–2.0
2.0
1.5
1.0
0.5
60
50
40
30
20
10
0
0
–50
4
5
Timer Accuracy vs Supply Voltage
Trickle Charge Current
vs Temperature
V
V
T
A
CC
BAT
= 25°C
= 5V
–25
= 2V
5.5
4.5
SUPPLY VOLTAGE (V)
TEMPERATURE (°C)
0
R
R
4069 G21
PROG
PROG
25
5
6
LTC4069
= 10k
= 2k
50
5.5
75
4069 G15
4069 G19
4069fa
5
100
6