APW8821 datasheet(9/24 Pages) ANPEC

Part #	APW8821

Description	Notebook PWM Controller with Differential Voltage Feedback

PDF	24 Pages

Scroll/Zoom	100%

Manufacturer	ANPEC [Anpec Electronics Coropration]

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

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9 / 24 page

Rev. A.1 - Feb., 2011

APW8821

www.anpec.com.tw

Operating Waveforms (Cont.)

Refer to the typical application circuit. The test condition is V

IN=19V, TA=25

oC unless otherwise specified.

Load Transient

0A->17.5A->0A

When Total Impedance of Line = 20mOhm

CH2: VOUT_remote, 200mV/Div, DC

CH3: IOUT, 10A/Div, DC

TIME: 20μs/Div

CH1: VOUT_near, 200mV/Div, DC

CH4: VGND_near-remote, 200mV/Div, DC

CH2: VOUT_remote, 200mV/Div, DC

CH3: IOUT, 10A/Div, DC

TIME: 20μs/Div

CH1: VOUT_near, 200mV/Div, DC

CH4: VGND_near-remote, 200mV/Div, DC

Load Transient

5A->20A->5A

When Total Impedance of Line = 20mOhm

CH2: VOUT_remote, 200mV/Div, DC

CH3: IL, 10A/Div, DC

TIME: 2μs/Div

CH1: VOUT_near, 200mV/Div, DC

CH4: VGND_near-remote, 200mV/Div, DC

Remote Sense

When Total Impedance of Line = 20mOhm

APW8821 Datasheet(PDF) 9 Page - Anpec Electronics Coropration