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參數資料
| 型號： | H78M08AT |
| 廠商： | HSMC CORP. |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | 5.0 AMP POSITIVE VOLTAGE REGULATOR |
| 中文描述： | 5.0放大器正電壓穩壓器 |
| 文件頁數： | 1/3頁 |
| 文件大小： | 36K |
| 代理商： | H78M08AT |
HI-SINCERITY
MICROELECTRONICS CORP.
H78M08AT
H78M08BT
3-TERMINAL POSITIVE VOLTAGE REGULATOR
Spec. No. : Preliminary Data
Issued Date : 2001.01.01
Revised Date : 2001.05.21
Page No. : 1/3
H78M08AT, H78M08BT
HSMC Product Specification
Description
The H78M08_T series of three-terminal positive regulators are available in
the TO-126 package. This regulator can provide local on-card regulation,
eliminating the distribution problems associated with single point regulation. Each device employs internal
current limiting, thermal shut-down and safe operating area protection, making it essentially indestructible.
If adequate heat sinking is provided, they can deliver over 0.5A output current. Although designed primarily
as fixed voltage regulators, this device can be used with external components to obtain adjustable
voltages and currents.
Description
Output current up to 500mA is available.
Eliminates external compensating circuit.
Built-in current limiter prevents elements from destruction when load is short circuit.
Built-in chip junction temperature limiting circuit protects elements against thermal destruction.
Built-in internal power dissipation limiting circuit protects transistors at output driver.
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
Output Current (Tc=25
°
C) .............................................................................................................. 0.5 A
Lead Temperature (Soldering 10S) .............................................................................................. 230
°
C
Typical Application
Block Diagram
H78M08_T
Vout
Vin
3
1
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.
Current
Generator
Reference
Voltage
Starting
Circuit
Error
Amplifier
SOA
Protection
Thermal
Protection
Series pass
Element
Input
1
Output
3
GND
2
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