R1280D002X Datasheet, PDF (12/26 Pages) RICOH electronics devices division – 2CH PWM DC/DC Controller

q Test Circuit 9
EXT1 EXT2
C1
GND V IN
A
AMPOUT
Vrefout
DTC1 DTC2
VFB1 V_FB2
q Test Circuit 11
q Test Circuit 10
EXT1 EXT2
OSCILLOSCOPE
C1
GND VIN _C2
C2
CE Vrefout
C3
DTC1 DTC2
VFB1 VFB2
q Test Circuit 12
EXT1 EXT2
OSCILLOSCOPE
C1
GND VIN _C2
CE Vrefout
DTC1 DTC2
C4
VFB1 VFB2
q Test Circuit 13
EXT1 _EXT2
C1
GND V
IN
CE ^Vrefout
DTC1 DTC2
VV
FB1 FB2
q Test Circuit 15
OSCILLOSCOPE
C2
EXT1 EXT2
C1
GND VIN
C2
CE Vrefout
DTC1 DTC2
VFB1 VFB2
A
V
EXT1 EXT2
OSCILLOSCOPE
C1
GND VIN
CE Vrefout
C2
DTC1 DTC2
VFB1 VFB2
q Test Circuit 14
EXT1 EXT2
GND VIN
C1
C2
CE Vrefout
DTC1 DTC2
VFB1 VFB2
V
q Test Circuit 16
EXT1 EXT2
OSCILLOSCOPE
C1
GND ^VIN
CE Vrefout
C2
DTC1 DTC2
VFB1 VFB2
Rev.1.10
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