Datasheet

LTC4155
10
4155fc
TYPICAL PERFORMANCE CHARACTERISTICS
Oscillator Frequency
vs Temperature
Automatic Charge Current
Reduction vs Battery Voltage
V
BUS
Current vs V
BUS
Voltage
in USB Suspend Mode
V
OUT
Voltage vs V
OUT
Current in
USB Suspend Mode
V
BUS
Current vs V
OUT
Current in
USB Suspend Mode
Battery Charger Resistance
vs Temperature
Normalized Float Voltage
vs Temperature
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.
TEMPERATURE (°C)
–40
CHARGER TOTAL RESISTANCE (m)
50
55
60
60
4613 G10
45
40
35
–15
10
35
85
RESISTANCE INCLUDES VISHAY
SILICONIX Si5481DU EXTERNAL PMOS
BATTERY VOLTAGE (V)
2.4
0
NORMALIZED CHARGE CURRENT (%)
20
40
60
80
100
120
2.7 3.0 3.3 3.6
4155 G13
100% CHARGE
CURRENT MODE
12.5% CHARGE
CURRENT MODE
V
BUS
VOLTAGE (V)
2.5
0
V
BUS
CURRENT (mA)
0.5
1.0
1.5
2.0
3.0
3.0
3.5 4.0 4.5
4155 G14
5.0 5.5
2.5
MAX NOT MAX
V
OUT
CURRENT (mA)
0
V
OUT
VOLTAGE (V)
3.9
4.0
4.1
1.5
2.5
4155 G15
3.8
3.7
3.6
0.5 1.0 2.0
4.2
4.3
4.4
V
OUT
CURRENT (mA)
0
V
BUS
CURRENT (mA)
1.5
2.0
2.0
4155 G16
1.0
0.5
0.5
1.0
1.5
2.5
2.5
Static DVCC Current
vs DVCC Voltage
Rising Overvoltage Lockout
Threshold vs Temperature
TEMPERATURE (°C)
–40
0.995
NORMALIZED FLOAT VOLTAGE (V)
0.996
0.998
0.999
1.000
–10
20
35 125
4155 G11
0.997
–25 5
50
65
95
110
80
500mA MODE
100mA MODE
TEMPERATURE (°C)
2.17
OSCILLATOR FREQUENCY (MHz)
2.21
2.25
2.29
2.19
2.23
2.27
–10 20 50 80
4155 G12
125110–25–40 5 356595
DVCC VOLTAGE (V)
0
DVCC CURRENT (µA)
0.3
0.4
0.5
3
5
4155 G17
0.2
0.1
0
12 4
0.6
0.7
0.8
TEMPERATURE (°C)
6.07
V
BUS
VOLTAGE (V)
6.09
6.11
6.08
6.10
6.12
–10 20 50 80
4155 G18
12
5
110–25–40 5 356595