Voltage Regulators
1
Publication date: November 2001 SFF00009CEB
AN80MxxRSP Series
5-pin, low dropout voltage regulator with standby function (500 mA type)
a73 Overview
The AN80MxxRSP series is a 0.5 A, low dropout
voltage regulator IC with standby function, featuring low
current consumption and low noise.
a73 Features
• Standby consumption current: max. 3 µA
• Dropout voltage: 0.25 V
• Output voltage accuracy: ±3%
• 5-pin surface mounting package
• Ripple rejection ratio: 30 dB (f = 500 kHz)
• Output voltage: 1.8 V, 1.9 V, 2.0 V, 2.1 V, 2.2 V, 2.5 V,
2.7 V, 2.8 V, 2.9 V, 3.0 V, 3.1 V, 3.2 V,
3.3 V, 3.4 V, 3.5 V, 3.6 V, 4.8 V, 4.9 V,
5.0 V, 5.1 V, 5.2 V, 5.3 V
a73 Applications
• General use power supply
a73 Block Diagram
Unit: mm
SP-5SU
(3.00)
(4.35)
5.40±0.10
6.50±0.10
1.80
±
0.10
(0.80)
(2.50)
2.30
±
0.10
(5.50)
9.80
±
0.20
5.08±0.10
12 45
0.50±0.10
0.50±0.10
0.10±0.10
1.00
±
0.20
1.00±0.10
5.50
±
0.10
(2.50)
1.27±0.10
3
(0.75)
0.50±0.10
V
IN
V
OUT
Cont.
C
IN
(Fin)
3.3 µF
C
OUT
33 µF
C
NR
1 µF
12 3 4 5
Input short-circuit
protection
Output stage
Overcurrent
limitter
Starter
V
oltage reference
Error amplifier
Thermal
protection
Inrush current
protection
V
REF
R1
R2
Output dri
v
e
r
Note) The package of this product will be changed
to lead-free type (SP-5SUA). See the new pack-
age dimensions section later of this datasheet.