R1250V301A Datasheet, PDF (11/14 Pages) RICOH electronics devices division – Negative Output Charge Pump Regulator(100mA)

R1250V××1A
2) Test Circuit 2
4.7µF
1.CP+
8.VIN
2.GND 7.VOUT
3.CP-
6.Vref
4.CE 5.NC
ISS2
4.7µF
A
4.7µF
3) Test Circuit 3
4.7µF
1.CP+ 8.VIN
2.GND 7.VOUT
3.CP- 6.Vref
4.CE 5.NC
IIN
V
4.7µF
IOUT
A
4.7µF
<Definition> η (|VOUT|×IOUT)/(VIN×IIN)×100(%)
4) Test Circuit 4
Oscilloscope
1.CP+ 8.VIN
2.GND 7.VOUT
3.CP- 6.Vref
4.CE 5.NC
(*) To stabilize voltage, a few µF bypass capacitor is applied to VIN pin.
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