Voltage Regulators
AN80MxxRSP Series
5-pin, low dropout voltage regulator with standby function (500 mA type)
I
Overview
The AN80MxxRSP series is a 0.5 A, low dropout
voltage regulator IC with standby function, featuring low
current consumption and low noise.
6.50
±0.10
5.40
±0.10
(4.35)
(3.00)
1.80
±0.10
(2.50)
Unit: mm
0.50
±0.10
1.00
±0.10
I
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
5.50
±0.10
(5.50)
9.80
±0.20
(2.50)
3
1
2
4
5
(0.75)
5.08
±0.10
2.30
±0.10
(0.80)
1.27
±0.10
0.50
±0.10
0.50
±0.10
0.10
±0.10
SP-5SU
I
Applications
•
General use power supply
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.
I
Block Diagram
Input short-circuit
protection
Output stage
Voltage reference
Output driver
Overcurrent
limitter
Inrush current
protection
Thermal
protection
R2
R1
Starter
V
REF
Error amplifier
1
V
IN
C
IN
3.3
µF
2
3
(Fin)
4
5
V
OUT
C
OUT
33
µF
Cont.
C
NR
1
µF
Publication date: November 2001
SFF00009CEB
1.00
±0.20
1
AN80MxxRSP Series
I
Pin Descriptions
Pin No.
1
2
3
4
5
Input voltage pin (V
IN
)
Control pin (Cont.)
High: operation, Low: stop
Electrically in common with radiation fin
Open when the noise reduction function is not used
Description
Grounding pin (GND)
Noise reduction pin (N.R.)
Output voltage pin (V
OUT
)
I
Absolute Maximum Ratings
Parameter
Supply voltage
Supply current
Power dissipation
*1
Operating ambient temperature
*2
Storage temperature
*2
Symbol
V
CC
I
CC
P
D
T
opr
T
stg
Rating
14.4
255
−30
to
+85
−55
to
+150
Unit
V
mA
mW
°C
°C
Note) 1. The output voltage may exceed the rated value if T
j
>
150°C in no-load condition. Set to I
O
>
5 mA if T
j
is likely to exceed
150°C.
2. This IC is not suitable for automobile equipment use.
3. *1: The above power dissipation shows the value of an independent IC without heat sink at T
a
=
85°C. For details, refer to
"2. Power dissipation of SP-5SU package" in the Application Notes.
*2: Except for the operating ambient temperature and storage temperature, all ratings are for T
a
=
25°C.
2
SFF00009CEB
AN80MxxRSP Series
I
Recommended Operating Conditions
Part No.
AN80M18RSP
AN80M19RSP
AN80M20RSP
AN80M21RSP
AN80M22RSP
AN80M25RSP
AN80M27RSP
AN80M28RSP
AN80M29RSP
AN80M30RSP
AN80M31RSP
AN80M32RSP
AN80M33RSP
AN80M34RSP
AN80M35RSP
AN80M36RSP
AN80M48RSP
AN80M49RSP
AN80M50RSP
AN80M51RSP
AN80M52RSP
AN80M53RSP
Output voltage
1.8
1.9
2.0
2.1
2.2
2.5
2.7
2.8
2.9
3.0
3.1
3.2
3.3
3.4
3.5
3.6
4.8
4.9
5.0
5.1
5.2
5.3
Operating supply voltage range (V
CC
)
2.3 to 14.0
2.4 to 14.0
2.5 to 14.0
2.6 to 14.0
2.7 to 14.0
3.0 to 14.0
3.2 to 14.0
3.3 to 14.0
3.4 to 14.0
3.5 to 14.0
3.6 to 14.0
3.7 to 14.0
3.8 to 14.0
3.9 to 14.0
4.0 to 14.0
4.1 to 14.0
5.3 to 14.0
5.4 to 14.0
5.5 to 14.0
5.6 to 14.0
5.7 to 14.0
5.8 to 14.0
Unit
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
SFF00009CEB
3
AN80MxxRSP Series
I
Electrical Characteristics at T
a
=
25°C
•
AN80M18RSP (1.8 V type)
Unless otherwise specially provided, shorten each test time (within 10 ms) so that the test is conducted under the condition that
the drift due to the temperature increase in the chip junction part can be neglected. C
IN
=
3.3
µF,
CNR
=
Open, C
OUT
=
33
µF
Parameter
Output voltage
Line regulation
Load regulation
Peak output current
Symbol
V
OUT
REG
IN
I
PEAK
Conditions
V
IN
=
2.8 V, I
OUT
=
250 mA
V
IN
=
2.8 V
→
14.0 V, I
OUT
=
250 mA
V
IN
=
2.8 V, The output current value
when V
OUT
decreases by 5% from
its value at I
OUT
=
250 mA.
V
IN
=
2.8 V, I
OUT
=
0 mA
Min
1.746
600
Typ
1.8
900
Max
1.854
18
36
Unit
V
mV
mV
mA
REG
LOA
V
IN
=
2.8 V, I
OUT
=
0 mA
→
500 mA
Bias current under no load
Bias current fluctuation to input
Bias current fluctuation to load
Standby consumption current
Bias current before starting regulation
Control terminal current
Ripple rejection ratio 1
Minimum input/
output voltage difference 1
Minimum input/
output voltage difference 2
Control terminal threshold high voltage
Control terminal threshold low voltage
• Design reference data
I
BIAS
−5
58.8
0.50
1.1
0.25
1.45
0.70
3.0
5
25
3.0
5
30
0.45
0.8
1.80
mA
mA
mA
µA
mA
µA
dB
V
V
V
V
∆I
BIAS(IN)
V
IN
=
2.8 V
→
14.0 V, I
OUT
=
250 mA
∆I
BIAS(LOA)
V
IN
=
2.8 V, I
OUT
=
0 mA
→
500 mA
I
STB
I
RUSH
I
CONT
RR1
V
IN
=
14.0 V, V
CONT
=
0 V
V
IN
=
1.71 V, I
OUT
=
0 A
V
IN
=
2.8 V, I
OUT
=
250 mA
V
CONT
=
1.8 V
V
IN
=
3.8 V±1 V, f
=
120 Hz
I
OUT
=
100 mA
V
DIF(min)1
V
IN
=
1.9 V, I
OUT
=
250 mA
V
DIF(min)2
V
IN
=
2.0 V, I
OUT
=
500 mA
V
CONTH
V
CONTL
V
IN
=
2.8 V
V
IN
=
2.8 V
Note) The following values are typical and not guaranteed values.
Parameter
Ripple rejection ratio 2
Output noise voltage
Output voltage temperature
coefficient
Output short-circuit current
Overheat protection operating
temperature
Symbol
RR2
V
NO
dV
OUT
dT
a
I
OSHORT
T
jTH
Conditions
V
IN
=
3.8 V±1 V, f
=
500 kHz
I
OUT
=
100 mA
10 Hz
≤
f
≤
100 kHz, I
OUT
=
100 mA
V
IN
=
2.8 V, CNR
=
1
µF
V
IN
=
2.8 V, I
OUT
=
5 mA
−30°C ≤
T
a
≤ +125°C
V
IN
=
14.0 V, V
OUT
=
GND
V
IN
=
2.8 V, I
OUT
=
5 mA
Min
Typ
30
40
±40
300
150
Max
Unit
dB
µV[rms]
ppm/°C
mA
°C
4
SFF00009CEB
AN80MxxRSP Series
I
Electrical Characteristics at T
a
=
25°C (continued)
•
AN80M19RSP (1.9 V type)
Unless otherwise specially provided, shorten each test time (within 10 ms) so that the test is conducted under the condition that
the drift due to the temperature increase in the chip junction part can be neglected. C
IN
=
3.3
µF,
CNR
=
Open, C
OUT
=
33
µF
Parameter
Output voltage
Line regulation
Load regulation
Peak output current
Symbol
V
OUT
REG
IN
I
PEAK
Conditions
V
IN
=
2.9 V, I
OUT
=
250 mA
V
IN
=
2.9 V
→
14.0 V, I
OUT
=
250 mA
V
IN
=
2.9 V, The output current value
when V
OUT
decreases by 5% from
its value at I
OUT
=
250 mA.
V
IN
=
2.9 V, I
OUT
=
0 mA
Min
1.843
600
Typ
1.9
900
Max
1.957
19
38
Unit
V
mV
mV
mA
REG
LOA
V
IN
=
2.9 V, I
OUT
=
0 mA
→
500 mA
Bias current under no load
Bias current fluctuation to input
Bias current fluctuation to load
Standby consumption current
Bias current before starting regulation
Control terminal current
Ripple rejection ratio 1
Minimum input/
output voltage difference 1
Minimum input/
output voltage difference 2
Control terminal threshold high voltage
Control terminal threshold low voltage
• Design reference data
I
BIAS
−5
58.4
0.50
1.1
0.25
1.45
0.70
3.0
5
25
3.0
5
30
0.45
0.8
1.80
mA
mA
mA
µA
mA
µA
dB
V
V
V
V
∆I
BIAS(IN)
V
IN
=
2.9 V
→
14.0 V, I
OUT
=
250 mA
∆I
BIAS(LOA)
V
IN
=
2.9 V, I
OUT
=
0 mA
→
500 mA
I
STB
I
RUSH
I
CONT
RR1
V
IN
=
14.0 V, V
CONT
=
0 V
V
IN
=
1.805 V, I
OUT
=
0 A
V
IN
=
2.9 V, I
OUT
=
250 mA
V
CONT
=
1.8 V
V
IN
=
3.9 V±1 V, f
=
120 Hz
I
OUT
=
100 mA
V
DIF(min)1
V
IN
=
2.0 V, I
OUT
=
250 mA
V
DIF(min)2
V
IN
=
2.1 V, I
OUT
=
500 mA
V
CONTH
V
CONTL
V
IN
=
2.9 V
V
IN
=
2.9 V
Note) The following values are typical and not guaranteed values.
Parameter
Ripple rejection ratio 2
Output noise voltage
Output voltage temperature
coefficient
Output short-circuit current
Overheat protection operating
temperature
Symbol
RR2
V
NO
dV
OUT
dT
a
I
OSHORT
T
jTH
Conditions
V
IN
=
3.9 V±1 V, f
=
500 kHz
I
OUT
=
100 mA
10 Hz
≤
f
≤
100 kHz, I
OUT
=
100 mA
V
IN
=
2.9 V, CNR
=
1
µF
V
IN
=
2.9 V, I
OUT
=
5 mA
−30°C ≤
T
a
≤ +125°C
V
IN
=
14.0 V, V
OUT
=
GND
V
IN
=
2.9 V, I
OUT
=
5 mA
Min
Typ
30
40
±40
300
150
Max
Unit
dB
µV[rms]
ppm/°C
mA
°C
SFF00009CEB
5