bd95710muv-e2 ROHM Co. Ltd., bd95710muv-e2 Datasheet - Page 12

• Manufacturer Part Number: bd95710muv-e2
• Description: 2phase Switching Regulator Controllers Graphic Card
• Manufacturer: ROHM Co. Ltd.

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BD95710MUV
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10. Vout small Ripple Voltage
Resistor R3 and capacitor C (=56pF)are needed to stabilize switching operation when Vout ripple voltage is less than
20mV. The values of R1, R2 and R3 are determined as in the formula (19) below
R1+R2 ≦ 20kΩ,10×R1 ≦ R3 ・・・(19)
VIN
FB
PHA
R3
R2
R1
C=56pF
VOUT
12/20
Technical Note
2009.04 - Rev.B