Datasheet

LTC4156
11
4156f
TYPICAL PERFORMANCE CHARACTERISTICS
T
A
= 25°C (Note 2). V
BUS
= 5V, BATSNS = 3.3V,
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 Drain Current
vs Battery Voltage
TEMPERATURE (°C)
–40
4.20
4.25
4.30
95 110
4155 G19
4.15
4.10
–25 –10 5 20 35 50 65 80 125
4.05
4.00
3.95
INPUT UVLO THRESHOLD VOLTAGE (V)
RISING EDGE MAX
FALLING EDGE MAX
RISING EDGE NOT MAX
FALLING EDGE 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
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
BATTERY VOLTAGE (V)
2.4
BATTERY CURRENT (µA)
2
3
3.6
4156 G22
1
0
2.7
3.0
3.3
3.9
4
SHIP-AND-STORE MODE, DVCC = 0V
SHIP-AND-STORE MODE, DVCC = 3.3V
DVCC = 0V
DVCC = 3.3V