LTC4156IUFD View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
LTC4156IUFD
Linear Technology
'LTC4156IUFD' PDF : 52 Pages View PDF
LTC4156
TYPICAL PERFORMANCE CHARACTERISTICS TA = 25°C (Note 2). VBUS = 5V, BATSNS = 3.3V,
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
55
50
45
40
35
–40
RESISTANCE INCLUDES VISHAY
SILICONIX Si5481DU EXTERNAL PMOS
–15
10
35
60
85
TEMPERATURE (°C)
4613 G10
0.999
500mA MODE
0.998
0.997
100mA MODE
0.996
0.995
–40 –25 –10 5 20 35 50 65 80 95 110 125
TEMPERATURE (°C)
4156 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)
4156 G12
Automatic Charge Current
Reduction vs Battery Voltage
120
100
80
60
40
20
0
2.4
100% CHARGE
CURRENT MODE
12.5% CHARGE
CURRENT MODE
2.7
3.0
3.3
BATTERY VOLTAGE (V)
3.6
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)
4156 G18
4156f
10
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