TPS62360_15 Datasheet, PDF (14/56 Pages) Texas Instruments – 3A Processor Supply with I2C Compatible Interface and Remote Sense

TPS62360, TPS62361B
TPS62362, TPS62363
SLVSAU9C – MAY 2011 – REVISED NOVEMBER 2012
TYPICAL CHARACTERISTICS (continued)
DC OUTPUT VOLTAGE
vs
OUTPUT CURRENT
V_OUT = 1.2V
1.25
DC OUTPUT VOLTAGE
vs
OUTPUT CURRENT
V_OUT = 0.9V
0.95
TPS6236x
TPS6236x
1.24 ^{VOUT = 1.2V}
T_A = 25°C
0.94 ^{VOUT = 0.9V}
T_A = 25°C
1.23
0.93
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1.22
0.92
1.21
0.91
1.20
0.90
1.19
0.89
1.18
1.17
1.16
1.15
1m
Forced PWM, V_IN = 2.8V
Forced PWM, V_IN = 3.6V
Forced PWM, V_IN = 4.2V
Auto PFM/PWM, V_IN = 2.8V
Auto PFM/PWM, V_IN = 3.6V
Auto PFM/PWM, V_IN = 4.2V
10m
100m
Output Current (A)
Figure 15.
1
3
G013
0.88
0.87
0.86
0.85
1m
Forced PWM, V_IN = 2.8V
Forced PWM, V_IN = 3.6V
Forced PWM, V_IN = 4.2V
Auto PFM/PWM, V_IN = 2.8V
Auto PFM/PWM, V_IN = 3.6V
Auto PFM/PWM, V_IN = 4.2V
10m
100m
Output Current (A)
Figure 16.
1
3
G014
DC OUTPUT VOLTAGE
vs
OUTPUT CURRENT
V_OUT = 0.6V
0.65
TPS62361B
0.64 ^{VOUT = 0.6V}
T_A = 25°C
0.63
0.62
STARTUP INTO NO LOAD
V_OUT = 0.5V
TPS62361B
RAMP[2:0] = 000 (32mV/μs)
I_OUT = 0A
V_IN = 3.6V
V_OUT = 0.5V
V_OUT 200mV/Div
0.61
0.60
0.59
0.58
0.57
0.56
0.55
1m
Forced PWM, V_IN = 2.8V
Forced PWM, V_IN = 3.6V
Forced PWM, V_IN = 4.2V
Auto PFM/PWM, V_IN = 2.8V
Auto PFM/PWM, V_IN = 3.6V
Auto PFM/PWM, V_IN = 4.2V
10m
100m
Output Current (A)
Figure 17.
1
3
G015
Inductor Current 200mA/Div
EN 2V/DIV
Time Base - 20μs/Div
G017
Figure 18.
14
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