R1212D Datasheet, PDF (17/41 Pages) RICOH electronics devices division – STEP-UP DC/DC CONTOLLER

VIN
GND
EXT
VREFOUT
AMPOUT
DTC
VFB
DELAY
VIN
GND
EXT
VREFOUT
AMPOUT
DTC
VFB
DELAY
R1212D
Fig.7 DELAY Pin Detector Threshold Test Circuit
VIN
GND
EXT
VREFOUT
AMPOUT
DTC
VFB
DELAY
100kΩ
10kΩ
Fig.8 UVLO Detector Threshold/Released
Voltage Test Circuit
VIN
GND
EXT
VREFOUT
AMPOUT
DTC
VFB
DELAY
AV
Fig.9 Error AMP Gain/Phase Test Circuit
VIN
EXT
VREFOUT
AMPOUT
DTC
VFB
GND
DELAY
A
Fig.10 VREFOUT Voltage Test Current
Fig.11 VFB Leakage Current Test Circuit
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