Datasheet

2 2.5 3 3.5 4 4.5 5 5.5 6
V - Input Voltage - V
IN
I = 100 mA
O
60
65
70
75
80
85
90
95
100
Efficiency - %
V = 4.63 V,
V = -4.93 V,
L = 4.7 H TDK VLF4012
POS
NEG
m
I = 140 mA
O
I = 50 mA
O
I = 10 mA
O
0 50 100 150 200 250 300
I - Output Current - mA
O
40
50
60
70
80
90
100
Efficiency - %
V = 2.5 V
IN
V = 3 V
IN
V = 3.7 V
IN
V = 4.2 V
IN
V = 4.5 V
IN
V = 4.63 V,
V = -4.93 V,
L = 4.7 H TDK VLF4012
POS
NEG
m
TPS65137
SLVS929A MAY 2010REVISED OCTOBER 2012
www.ti.com
TYPICAL CHARACTERISTICS
TABLE OF GRAPHS
FIGURE
Efficiency versus Output current Figure 1
Efficiency versus Input voltage Figure 2
Efficiency versus Negative voltage Figure 3
Negative output voltage programming Figure 4
Negative output voltage programming Device enabled (CTRL = 400µs high), programmed to –3.0V Figure 5
Light load current operation Figure 6
Nominal load current operation V
IN
= 3.7V Figure 7
Nominal load current operation V
IN
= 4.5V Figure 8
Line transient response 150mA Figure 9
Line transient response 100mA Figure 10
Startup Figure 11
Shutdown Figure 12
Short circuit Figure 13
Figure 1. EFFICIENCY Figure 2. EFFICIENCY
6 Submit Documentation Feedback Copyright © 2010–2012, Texas Instruments Incorporated
Product Folder Links: TPS65137