LTC4155 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
LTC4155
Linear Technology
'LTC4155' PDF : 52 Pages View PDF
LTC4155
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C (Note 2). VBUS = 5V, BATSNS = 3.7V,
DVCC = 3.3V, RCLPROG1 = RCLPROG2 = 1.21k, RPROG = 499Ω, unless otherwise noted.
Battery Charger Resistance
vs Temperature
60
Normalized Float Voltage
vs Temperature
1.000
Oscillator Frequency
vs Temperature
2.29
500mA MODE
55
0.999
50
0.998
100mA MODE
45
0.997
40
35
–40
RESISTANCE INCLUDES VISHAY
SILICONIX Si5481DU EXTERNAL PMOS
–15 10
35
60
85
TEMPERATURE (°C)
4613 G10
0.996
0.995
–40 –25 –10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
4155 G11
2.27
2.25
2.23
2.21
2.19
2.17
–40 –25 –10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
4155 G12
Automatic Charge Current
Reduction vs Battery Voltage
120
100
80
60
100% CHARGE
CURRENT MODE
40
20
12.5% CHARGE
CURRENT MODE
0
2.4
2.7
3.0
3.3
3.6
BATTERY VOLTAGE (V)
4155 G13
VBUS Current vs VBUS Voltage
in USB Suspend Mode
3.0
2.5
2.0
1.5
MAX NOT MAX
1.0
0.5
0
2.5 3.0 3.5 4.0 4.5
VBUS VOLTAGE (V)
5.0 5.5
4155 G14
VOUT Voltage vs VOUT Current in
USB Suspend Mode
4.4
4.3
4.2
4.1
4.0
3.9
3.8
3.7
3.6
0
0.5
1.0
1.5
2.0 2.5
VOUT CURRENT (mA)
4155 G15
VBUS Current vs VOUT Current in
USB Suspend Mode
2.5
2.0
1.5
1.0
0.5
0
0.5 1.0 1.5 2.0 2.5
VOUT CURRENT (mA)
4155 G16
Static DVCC Current
vs DVCC Voltage
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
0
1
2
3
4
5
DVCC VOLTAGE (V)
4155 G17
Rising Overvoltage Lockout
Threshold vs Temperature
6.12
6.11
6.10
6.09
6.08
6.07
–40 –25 –10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
4155 G18
4155fc
10
Share Link: 