SW

2V/div

V

=0Vto2.5V

1V/div

OUT

I

50mA/div

IN

V

=3.6V

C

=4.7

F

L =1

H

MODE=GND

Load=20R

IN

OUT

m

m

EN

2V/div

V

=1.8V

50mV/div

OUT

I

=5mA to150mA

100mA/div

OUT

I

200mA/div

L

V

=3.6V

C

=4.7

F

L =2.2

H

MODE=V

IN

OUT

IN

m

m

V

=1.8V

1V/div

OUT

I

200mA/div

L

V

=3.6V

C

=4.7

F

L =2.2

H

MODE=GND

I

=0mA

IN

OUT

OUT

m

m

SW5V/div

EN2V/div

V

PreBias=1V

OUT

TimeBase-20

s/div

m

f-Frequency

Stop

40MHz

400m

4MHz

10n

300m

200m

100m

700m

500m

1m

800m

900m

600m

Start

0Hz

TPS62231

MODE=GND,

V

=1.8V,

R

L =2.2 H,

(MIPSZ20122R2,Size2012)

C

=4.7 F(Size0402)

OUT

LOAD

OUT

=12R

m

m

RefLvl=1mV

RBW30kHz

VBW30kHz

SWT´115ms

V

=2.7V(green)

IN

V

=3.6V(blue)

IN

V

=3V(red)

IN

V

=4.2V(yellow)

IN

TPS62230, TPS62231, TPS62232, TPS62233

TPS62234, TPS62235, TPS62236, TPS62237

TPS62238, TPS62239, TPS622310, TPS622311

SLVS941B – APRIL 2009 – REVISED DECEMBER 2009

www.ti.com

TYPICAL CHARACTERISTICS (continued)

Figure 45. Load Transient Response 5mA to 150mA, Forced

Figure 46. Start Up into 20

Figure 47. Startup in 1V Pre-biased Output

Figure 48. Spurious Output Noise, 12R Load, TPS62231

18

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Product Folder Link(s): TPS62230 TPS62231 TPS62232 TPS62233 TPS62234 TPS62235 TPS62236 TPS62237

TPS62238 TPS62239 TPS622310 TPS622311