APL5331 datasheet(9/20 Pages) ANPEC

Part #	APL5331

Description	3A Bus Termination Regulator

PDF	20 Pages

Scroll/Zoom	100%

Manufacturer	ANPEC [Anpec Electronics Coropration]

Direct Link	http://www.anpec.com.tw

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9 / 20 page

 ANPEC Electronics Corp.

Rev. A.8 - Oct., 2003

APL5331

www.anpec.com.tw

Operating Waveforms (Cont.)

3. Load Transient Response : IOUT = +3A -> -3A -> +3A

- VIN = 2.5V, VCNTL = 3.3V

- VREF is 1.250V supplied by a regulator

- COUT = 470

µF/10V, ESR = 30mΩ

- IOUT slew rate = ±3A/

µS

IOUT = +3A -> -3A

Ch1 : VOUT, 50mV/Div, DC,

Offset = 1.250V

Ax1 : IOUT, 2A/Div

Time : 1

µS/Div

Ch1 : VOUT, 50mV/Div, DC,

Offset = 1.250V

Ax1 : IOUT, 2A/Div

Time : 20

µS/Div

Ch1 : VOUT, 50mV/Div, DC,

Offset = 1.250V

Ax1 : IOUT, 2A/Div

Time : 1

µS/Div

IOUT = +3A -> -3A -> +3A

IOUT = -3A -> +3A

4. Short-Circuit Test

- VIN = 2.5V, VCNTL = 3.3V

VOUT is Shorted to GND

OUT

Ch1 : VOUT, 500mV/Div, DC,

Ax1 : IOUT, 2A/Div

Time : 5mS/Div

Ch1 : VOUT, 500mV/Div, DC,

Ax1 : IOUT, 2A/Div

Time : 5mS/Div

VOUT is Shorted to VIN (2.5V)

OUT

+3A

-3A

OUT

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