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RS78L12AA

Description
These regulators employ internal current-limiting and thermal-shutdown, making them essentially indestructible.
File Size186KB,8 Pages
ManufacturerOrister
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RS78L12AA Overview

These regulators employ internal current-limiting and thermal-shutdown, making them essentially indestructible.

Page No. : 1/8
RS78L05
RS78L12
3-Terminal Positive Voltage Regulators
RS78LXX Series Pin Assignment
3-Lead Plastic
SOT-89
Package Code: M
Pin 1: V
OUT
Pin 2: GND
Pin 3: V
IN
3-Lead Plastic
TO-92
Package Code: A
Pin 1: V
OUT
Pin 2: GND
Pin 3: V
IN
12
3
1
2
3
Description
These regulators employ internal current-limiting and thermal-shutdown, making
them essentially indestructible. They can deliver up to 100mA output current.
Features
Maximum Output Current of 100mA (T
C
=25C)
Internal Short-Circuit Current Limiting
Internal Thermal Overload Protection
TO-92 & SOT-89 Package
Typical Application
Absolute Maximum Ratings
(T
A
=25C, Unless Otherwise Specified)
Characteristic
Input Voltage
Power Dissipation
Operating Temperature
Storage Temperature
Junction Temperature
Thermal Resistance
Symbol
V
IN
P
D
T
opr
T
stg
T
j
R
th(j-a)
TO-92
SOT-89
-40 to 125
-65 to 150
150
208
o
Rating
30
700
500
Unit
V
mW
mW
o
o
o
C
C
C
Note 1: C
IN
is required if regulator is located an
appreciable distance from power supply filter.
Note 2: C
OUT
is not needed for stability;
however, it does improve transient response.
Values of less than 0.1uF could cause
instability.
C/W
Schematic Diagram & Equivalent Circuit
Schematic Diagram
Equivalent Circuit
V
IN
Input
3
Series
Pass
Element
Current
Generator
SOA
Protection
Output
1
Starting
Circuit
Reference
Voltage
Error
Amplifier
Thermal
Protection
V
OUT
GND
2
DS-RS78L05_12-05 February, 2007
www.Orister.com

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Description These regulators employ internal current-limiting and thermal-shutdown, making them essentially indestructible. These regulators employ internal current-limiting and thermal-shutdown, making them essentially indestructible. These regulators employ internal current-limiting and thermal-shutdown, making them essentially indestructible.
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