SC4808C Datasheet, PDF (17/24 Pages) Semtech Corporation – High Performance Dual Ended PWM Controller

POWER MANAGEMENT
Gain & Phase Margin (Cont.)
SC4808C
50
Gain
40
30
Phase
20
225
Gain
Phase (deg)
180
135
90
45
10
0
-45
0
-90
-10
-135
-20
-180
-30
10
-225
100
1000
10000
100000
Freq (Hz)
Typical SC4808C Push Pull Converter Gain/Phase plot at Vin = 48V, Vout = 3.3V, Iout = 10A, Fosc = 650kHz
 2006 Semtech Corp.
17
www.semtech.com