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SJ2138 Datasheet Preview

SJ2138 Datasheet

Low Dropout Voltage Regulator

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Elektronische Bauelemente
SJ2138
1.5A CMOS
Low Dropout Voltage Regulator
RoHS Compliant Product
Description
The SJ2138 series of positive,linear regulators feature low quiescent
current (45µA typ.) with low dropout voltage, making them ideal
for battery applications.These rugged devices have bothThermal
Shutdown and Current Fold-back to prevent device failure under
the "Worst" of operating conditions.The SJ 2138 is stable with an
output capacitance of 4.7µF or greater.
Features
* Low Temperature Coefficient
* Over-Temperature Shutdown
* Very Low Dropout Voltage
* High Accurate ±1.5%
* Short Circuit Current Fold-back
* Guaranteed 1.5A output
* Current Limiting
Applications
* PC Peripherals
* Wireless Devices
* Portable Electronics
* Battery Powered Widgets
* Instrumentation
TO-252
REF.
A
B
C
D
E
F
S
Millmeter
Min. Max.
6.40 6.80
5.20 5.50
6.80 7.20
2.20 2.80
2.30 REF.
0.70 0.90
0.60 0.90
REF.
G
H
J
K
L
M
R
Millmeter
Min. Max.
0.50 0.70
2.20 2.40
0.45 0.55
0 0.15
0.90 1.50
5.40 5.80
0.80 1.20
Typical Circuit
Functional Block Diagram
SJ2138
http://www.SeCoSGmbH.com/
01-Jun-2002 Rev. A
Any changing of specification will not be informed individual
Free Datasheet http://www.datPaashgeee1t4ouf.5com/




SeCoS

SJ2138 Datasheet Preview

SJ2138 Datasheet

Low Dropout Voltage Regulator

No Preview Available !

Elektronische Bauelemente
SJ2138
1.5A CMOS
Low Dropout Voltage Regulator
Absolute Maximum Ratings
Parameter
Symbol
Ratings
Unit
Input Max Voltage
VIN 8 V
Output Current
IOUT
PD/( VIN- VO)
A
Output Voltage
VOUT
1.5~5.0
V
Operating Ambient Temperature
Topr -40 ~ +85
Junction Temperature
Tj -40 ~ +125
Maximum Junction Temperature
Tj Max
150
Thermal Resistance
jc Conductive
Non-Conductive
ja
7
30
90
/W
/W
Power Dissipation( T=100 )
PD 1.2 W
EDS Classification
B
Electrical Characteristics Ta=25 unless otherwise noted
Parameter
Output Voltage
Output Current
Symbol
VOUT(E)
(Note1)
IO
Condition
VIN=VOUT(T)+2V, IO=1mA
VIN=VOUT(T)+2V, VOUT VOUT(E)*0.96
Min
-1.5%
1.5
TYP
VOUT(T)
(Note2)
-
Max
1.5%
-
Unit
V
A
Current Limit
ILIM
VIN=VOUT(T)+2V, VO>1.2V
1.5 2.0
-
A
Load Regulation
REGLOAD
VIN=VOUT(T)+2V, IO=1mA to 1.5A
-1 0.2
1
%
Dropout Voltage
VDROPOUT
IO=1.5A
1.4V<VOUT(T) 2.0V
VO=VOUT(E)-2% 2.0V<VOUT(T) 2.8V
-
-
- 1300
- 800 mV
2.8V<VOUT(T) - - 600
Quiescent Current
IQ
VIN= VOUT(T)+2V, IO=0mA
- 45 70
A
Ground Pin Current
IGND
VIN= VOUT(T)+2V, IO=1mA~1.5A
- 45 -
A
Line Regulation
REGLINE
IO=1mA
VIN=VOUT(T)+1 to
VOUT(T)+2
VOUT(T) 2.0V
2.0V<VOUT(T)<4.0V
4.0V VOUT(T)
-0.15
-0.1
-0.4
-
0.02
-
0.15
0.1
0.4
%
Input Voltage
VIN
Note3
-
7
V
Over Temperature Shutdown
OTS
- 150 -
Over Temperature Hysterisis
OTH
- 30 -
Output Voltage
Temperature Coefficient
TC
- 30 - ppm/
Short Circuit Current
ISC
VIN=VOUT(T)+1V, VOUT<0.4V
- 750 -
mA
Power Supply Rejection
PSRR
Io=100mA
Co=4.7 F
f=100Hz
f=1kHz
f=10kHz
- 70 -
- 50 -
- 20 -
dB
Output Voltage Noise
f=10Hz~100kHz
eN Io=10mA, Co=4.7 F
CBYP=0 F
- 30 - Vrms
Note 1: VOUT (E) =Effective Output Voltage (i.e. the output voltage when “VOUT (T) + 2.0V” is provided at the VIN pin while maintaining a
certain IOUT value).
2: VOUT (T) =Specified Output Voltage
3: VIN (MIN) =VOUT+VDROPOUT
http://www.SeCoSGmbH.com/
01-Jun-2002 Rev. A
Any changing of specification will not be informed individual
Page 2 of 5
Free Datasheet http://www.datasheet4u.com/


Part Number SJ2138
Description Low Dropout Voltage Regulator
Maker SeCoS
Total Page 5 Pages
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