H7812AJ Datasheet, PDF (1/3 Pages) Hi-Sincerity Mocroelectronics – 3-TERMINAL POSITIVE VOLTAGE REGULATOR

HI-SINCERITY
MICROELECTRONICS CORP.
Spec. No. : HJ200210
Issued Date : 1998.08.01
Revised Date : 2002.08.09
Page No. : 1/3
H7812AJ
H7812BJ
3-TERMINAL POSITIVE VOLTAGE REGULATOR
Description
The H7812_J series of three-terminal positive regulators are available
TO-252
in the TO-252 package. These regulators can provide local on-card
regulation, eliminating the distribution problems associated with single point regulation. Each
employs internal current limiting, thermal shut-down and safe operating area protection, making it
essen-tially indestructible. If adequate heat sinking is provided, they can deliver over 1A output
current. Although designed primarily as fixed voltage regulators, these devices can be used with
external components to obtain adjustable voltages and currents.
H7812_J is characterized for operation from 0°C to +125°C, and if operating temperature is
always high, please refer to the power dissipation curve.
Absolute Maximum Ratings (Ta=25°C)
• Input Voltage ....................................................................................................................... 35 V
• Total Power Dissipation (TC=25°C) .................................................................. Internally limited
• Operating Junction Temperature ....................................................................... 0 °C to +125 °C
• Storage Temperature Range .......................................................................... -55 °C to +150 °C
• Output Current (TC=25°C) .................................................................................................... 1 A
• Lead Temperature (Soldering 10S) ................................................................................. 230 °C
Typical Application
Schematic Diagram
Vin
1
Vout
H7812_J ³
2
C1
C2
Note:
C1 and C2 are required if regulator is
located far from power supply filter
and load, or oscillation may induced
on the loop.
Input
6.3V
30K
3.4K
200
1.9K
10K
1K
200
4K
20pF
2K
0.3
Output
VREF
26
26
4K
1.2
12.1K
1K
GND
H7812AJ, H7812BJ
HSMC Product Specification