Datasheet

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V
GH
(20 mV/div,
AC Coupled)
V
GL
(20 mV/div,
AC Coupled)
t − Time − 10 s/div
V
IN
= 3.6 V,
V
MAIN
= 5 V @ 5 mA,
V
GH
= 15 V @ 100 A,
V
GL
= −10 V @ 100 A
10 pF Feed-Forward
Capacitor Across R
1
14.85
14.90
14.95
15
15.05
15.10
15.15
0.1 1 10
I
GH
− Output Current − mA
V
GH
− DC Output Voltage − V
V
IN
= 3.6 V,
V
MAIN
= 5 V, @ 5 mA
V
GL
= −10 V @ 200 A
−10.10
−10.08
−10.06
−10.04
−10.02
−10
−9.98
−9.96
−9.94
−9.92
−9.90
0.1
1
10
V
IN
= 3.6 V,
V
MAIN
= 5 V @ 5 mA,
V
GH
= 15 V @ 200 A
I
GL
− Output Current − mA
V
GL
− DC Output Voltage − V
1
10
0.1 1 10 100
V
IN
= 3.6 V,
V
MAIN
= 5 V,
ENVGH = ENVGL = GND
Switching Frequency − MHz
I
MAIN
− Output Current − mA
TPS65120, TPS65121, TPS65123, TPS65124
SLVS531A – JUNE 2004 – REVISED MARCH 2005
POSITIVE, NEGATIVE OUTPUT
RIPPLE VOLTAGE POSITIVE OUTPUT (VGH) LOAD REGULATION
Figure 11. Figure 12.
SWITCHING FREQUENCY
vs
NEGATIVE OUTPUT (VGL) LOAD REGULATION LOAD CURRENT
Figure 13. Figure 14.
12