SC1109 Datasheet, PDF (9/17 Pages) Semtech Corporation – SYNCHRONOUS PWM CONTROLLER WITH DUAL LOW DROPOUT REGULATOR CONTROLLERS

PRELIMINARY - October 16, 2000
SYNCHRONOUS PWM CONTROLLER WITH
DUAL LOW DROPOUT REGULATOR
CONTROLLERS
SC1109
50
40
30
20
10
0
-10
-20
10
SC1109 Gain & Phase Margin
Gain
Phase Margin
100
1,000
10,000
frequency(Hz)
Typical VTT Gain/Phase plot at Vin=5V Iout = 3 A
200
180
160
140
120
100
80
60
40
20
100,000
© 2000 SEMTECH CORP.
9
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