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HA17524FP

Hitachi Semiconductor
Part Number HA17524FP
Manufacturer Hitachi Semiconductor
Description Switching Regulator Controller
Published Mar 22, 2005
Detailed Description HA17524P/FP Switching Regulator Controller Features • • • • • • • Pulse width modulation (PWM) Wide oscillation frequen...
Datasheet PDF File HA17524FP PDF File

HA17524FP
HA17524FP

Overview
HA17524P/FP Switching Regulator Controller Features • • • • • • • Pulse width modulation (PWM) Wide oscillation frequency range: 450 kHz(typ) Low quiescent current: 5 mA typ Good line regulation (0.
2% typ) and load regulation (0.
4% typ) Independent output stages for 2 channels Wide external circuit applications including single-end and push-pull method Reference power source output stage and switching output stage include current limiting protection circuit.
Ordering Information Type No.
HA17524P HA17524FP Package 16 pin dual in line plastic(DP-16) 16 pin flat plastic (FP-16DA) Pin Arrangement INV.
Input NON-INV.
Input OSC Out CL(+) CL(–) RT CT GND 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 (Top View) V REF VCC E2 C2 C1 E1 SHUT DOWN COMP HA17524P/FP Functional Description Principals of HA17524 Operation The HA17524 switching regulator circuit, using pulse width modulation (PWM), is constructed as shown in figure 1.
Timing resistances RT and timing capacitance C T control the oscilla...


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