NX2422 controller equivalent, two phase synchronous pwm controller.
PGOOD output, pro- n Graphic card High Current Vcore Supply grammable switching frequency and hiccup current lim- n High Current on board DC to DC converter iting circui.
12V BUS
R10
2N3904
DESCRIPTION
FEATURES
APPLICATIONS
TYPICAL APPLICATION
C11 C10
VCCDRV
2N3904
BST1 C12 HDRV1 SW1 .
FEATURES
APPLICATIONS
TYPICAL APPLICATION
C11 C10
VCCDRV
2N3904
BST1 C12 HDRV1 SW1 Q1 L1
5V
R13 R14
VOUT
C13 Q2 R29 C15 C14
C31 R11 C30
PVCC
LDRV1
5VCC REFIN AGND CSCOMP
R16 R17 C28 CS+1 R28
NX2422
CS-1
R15
C29
C17 BST2 C19 HDRV2 SW2 .
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