KSI-2064-000
1
S52xxM
Low Drop Output Voltage Regulator
Description
The S52xxM is a u-cap 150mA linear voltage regulator in the SOT-25 package.
This regulator has very low dropout voltage and very low ground current.
It is designed especially for hand-sets, battery-powered devices and can be controlled by a
CMOS or TTL. When the S52xxM is disabled, power consumption drops to nearly zero.
Features
Output current of 150
Low quiescent current
Low dropout voltage
Current limit protection
Logic-controlled electronic enable
Ordering
Information
Type NO.
Marking
Package Code
S52xxM
5
SOT
-
25
: Voltage Code
S
S
e
e
m
m
i
i
c
c
o
o
n
n
d
d
u
u
c
c
t
t
o
o
r
r
PIN Connections
1. Input voltage
2. Ground
3. Control
4. Noise bypass
5. Output voltage
Outline Dimensions
(Unit : mm )
BLOCK DIAGRAM
3
2
Control
1
5
VI
GND
Vo
Bandgap
Reference
Noise
Bypass
Current
Limit Circuit
Bias Circuit
+
-
4
KSI-2064-000
2
S52xxM
Absolute Maximum Ratings
Ta=25
C
Characteristic Symbol
Rating
Unit
Input Voltage
V
I
16 V
Control Voltage
V
CT
16 V
P
D
(Note1) 500
Power Dissipation
P
D
(Note2) 150
Junction Temperature
T
J
150 C
Storage Temperature Range
T
stg
-55 ~ +150
C
Note 1 : Mount on a glass epoxy circuit board of 30x30mm Pad dimension of 50mm
2
Note 2 : No Heat sink
Device Selection Guide
Device Output
Voltage
S5215M 1.5V
S5218M 1.8V
S5225M 2.5V
S5228M 2.8V
S5230M 3.0V
S5233M 3.3V
S5250M 5.0V
KSI-2064-000
3
S52xxM
Electrical Characteristics
(Electrical characteristics at V
I
=V
O
+1V, I
O
=100 , C
O
=4.7 , V
CT
2.0V, T
J
=25, unless otherwise specified.)
Characteristic Symbol
Device
Test Condition
Min
Typ Max
Unit
S5215M V
I
=(V
O
+1V), I
O
=100
1.440 1.5 1.560
S5218M V
I
=(V
O
+1V), I
O
=100
1.728 1.8 1.872
S5225M V
I
=(V
O
+1V), I
O
=100
2.400 2.5 2.600
S5228M V
I
=(V
O
+1V), I
O
=100
2.688 2.8 2.912
S5230M V
I
=(V
O
+1V), I
O
=100
2.880 3.0 3.120
S5233M V
I
=(V
O
+1V), I
O
=100
3.168 3.3 3.432
Output Voltage
V
O
S5250M V
I
=(V
O
+1V), I
O
=100
4.800 5.0 5.200
V
Line Regulation
V
O(VI)
All
1V V
I
-V
O
10V
I
O
=100
- 0.3 5
Load Regulation
(Note3)
V
O(IL)
All
V
I
=V
O
+1V
I
O
=100 ~ 150
- 8 24
Standby Current
I
I(standby)
All
V
CT
0.4V (Shutdown)
-
0.01
1
S5215M
S5218M
I
O
=50
V
CT
=2.0V
- 1.5 3.0
Quiescent Current
(Note4)
I
QC
S5225M
S5228M
S5230M
S5233M
S5250M
I
O
=50
V
CT
=2.0V
- 0.8 1.5
S5215M I
O
=100
- 400
500
S5218M I
O
=100
- 500
600
Dropout Voltage
(Note5)
V
DROP
S5225M
S5228M
S5230M
S5233M
S5250M
I
O
=100
- 140
250
Control Voltage (ON)
V
CT(ON)
All
-
1.6
-
V
I
V
Control Voltage (OFF)
V
CT(OFF)
All
-
- -
0.4
V
Control Current (ON)
I
CT(ON)
All
V
CT
=2.0V 2
5
10
Control Current (OFF)
I
CT(OFF)
All
V
CT
0.4V -
0.01
1
Note 3 : Regulation is measured at constant junction temperature using low duty cycle pulse testing.
Parts are tested for load regulation in the load range from 0.1 to 150 .
Note 4 : Quiescent current is the regulator standby current plus pass transistor base current.
The total current drawn from the supply is the sum of the load current plus the quiescent
current.
Note 5 : Dropout voltage is defined as the input to output differential at which the output voltage
Drops 2% below its nominal value measured at 1V differential.
KSI-2064-000
5
S52xxM
Electrical Characteristic Curves
(Continue)
`
BYP
C
O
Fig. 2 V
DROP
vs. I
O
Fig. 4 Turn On Time vs. C
BPY
Fig. 6 Noise vs. Io
Fig.7 Noise vs. Frequency
(
)
Fig. 3 PSRR vs. Frequency
Fig. 5 PSRR vs. V
DROP
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