TPS2553DRVR 参数 Datasheet PDF下载

SLVS841A – NOVEMBER 2008 – REVISED DECEMBER 2008........................................................................................................................................

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PARAMETER MEASUREMENT INFORMATION

OUT

t

r

RL

CL

V

OUT

90%

10

%

90%

10

%

t

f

TEST CIRCUIT

V

EN

t

on

V

OUT

50%

50

%

t

off

90%

10

%

V

EN

t

on

V

OUT

50%

50%

toff

t

off

90%

10%

VOLTAGE WAVEFORMS

Figure 2. Test Circuit and Voltage Waveforms

I

OS

I

OUT

t

IOS

Figure 3. Response Time to Short Circuit Waveform

Decreasing

Load Resistance

V

OUT

Decreasing

Load Resistance

I

OUT

I

OS

Figure 4. Output Voltage vs. Current-Limit Threshold

6

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