Datasheet

LTC4155
11
4155fc
TYPICAL PERFORMANCE CHARACTERISTICS
T
A
= 25°C (Note 2). V
BUS
= 5V, BATSNS = 3.7V,
DVCC = 3.3V, R
CLPROG1
= R
CLPROG2
= 1.21k, R
PROG
= 499Ω, unless otherwise noted.
OVP Charge Pump Output
vs Input Voltage
Undervoltage Lockout Thresholds
vs Temperature
Battery Conditioner Current vs
Battery Voltage and Temperature
Battery Drain Current
vs Battery Voltage
TEMPERATURE (°C)
–40
4.20
4.25
4.30
60
4155 G19
4.15
4.10
–15 10 35 85
4.05
4.00
3.95
INPUT UVLO THRESHOLD VOLTAGE (V)
RISING UVLO MAX
FALLING UVLO MAX
RISING UVLO NOT MAX
FALLING UVLO NOT MAX
INPUT VOLTAGE (V)
3.5
6
USBGT WALLGT (V)
7
8
9
10
4.0
4.5 5.0 5.5
4155 G20
6.0 6.5
BATTERY VOLTAGE (V)
3.6
0
DISCHARGE CURRENT (A)
0.05
0.10
0.15
0.20
3.7
3.8 3.9 4.0
4155 G21
4.1 4.2
–45°C
–30°C
–15°C
0°C
15°C
30°C
45°C
60°C
75°C
90°C
105°C
120°C
135°C
BATTERY VOLTAGE (V)
2.4
BATTERY CURRENT (µA)
2
3
3.6
4155 G22
1
0
2.7
3.0
3.3
4.23.9
4
SHIP-AND-STORE MODE, DVCC = 0V
SHIP-AND-STORE MODE, DVCC = 3.3V
DVCC = 0V
DVCC = 3.3V
CLPROG Voltage vs V
BUS
Current
CLPROG Voltage vs V
OUT
Current V
OUT
Voltage vs V
OUT
Current
V
BUS
CURRENT (A)
0
0.8
1.0
1.4
1.5 2.5
4155 G23
0.6
0.4
0.5 1.0
2.0 3.0 3.5
0.2
0
1.2
CLPROG VOLTAGE (V)
3A INPUT CURRENT LIMIT MODE
V
OUT
CURRENT (A)
0
0.8
1.0
1.4
1.5 2.5
4155 G24
0.6
0.4
0.5 1.0
2.0 3.0 3.5
0.2
0
1.2
CLPROG VOLTAGE (V)
3A INPUT CURRENT LIMIT MODE
V
OUT
CURRENT (A)
0
V
OUT
VOLTAGE (V)
3.8
4.0
4
4155 G33
3.6
3.4
1
2
3
4.4
3A
MODE
4.2
500mA
MODE
V
BATSNS
= 3.7V
BATTERY CHARGER DISABLED
900mA MODE