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2000, 2001, 2007
BIPOLAR ANALOG INTEGRATED CIRCUIT
μPC2918, 2925, 2926
THREE-TERMINAL LOW DROPOUT VOLTAGE REGULATOR
DATA SHEET
Document No. G14983EJ5V0DS00 (5th edition)
Date Published August 2007 NS
Printed in Japan
The mark <R> shows major revised points.
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DESCRIPTION
The
μ PC2918, 2925 and 2926 are three-terminal low dropout voltage regulators with the 1-A output. The μ PC2918
outputs 1.8 V, the
μ PC2925 outputs 2.5 V and the μ PC2926 outputs 2.6 V. Since these regulators use a PNP
transistor for the output stage, they achieve a low dropout voltage of 0.7 V TYP. at IO = 1 A and minimize the power
dissipation of the IC. As a result, these regulators can be used to realize sets with lower voltage and power
dissipation.
FEATURES
 Output current capacity: 1 A
 Low dropout voltage
VDIF = 0.5 V MAX. (IO = 0.5 A)
 Output voltage accuracy: VO ± 2%
 On-chip saturation protector rising edge of input voltage
(at low input voltage)
 On-chip over-current limiter and thermal protection
 On-chip output transistor safe operation area protection
PIN CONFIGURATIONS (Marking Side)
Notes 1. No.2 pin and No.4 fin are common GND.
2. No.2 pin is cut. No.2 pin and No.4 fin are common GND.
μ PC2918HF,
μ PC2925HF,
μ PC2926HF: Isolated TO-220 (MP-45G)
μ PC2918HB,
μ PC2925HB,
μ PC2926HB: SC-64 (MP-3)
μ PC2918T,
μ PC2925T,
μ PC2926T: SC-63 (MP-3Z)
3
2
1
1: INPUT
2: GND
3: OUTPUT
4
3
2
1
1: INPUT
2: GND
3: OUTPUT
4: GND (Fin)
Note1
4
3
2
1
1: INPUT
2: GND
3: OUTPUT
4: GND (Fin)
Note2
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