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| 型號： | 317H |
| 廠商： | BCD Semiconductor Manufacturing Limited |
| 英文描述： | 3-TERMINAL 1A ADJUSTABLE VOLTAGE REGULATOR |
| 中文描述： | 三端可調(diào)穩(wěn)壓第1A |
| 文件頁數(shù)： | 1/14頁 |
| 文件大?。?/td> | 195K |
| 代理商： | 317H |
3-TERMINAL 1A ADJUSTABLE VOLTAGE REGULATOR AZ317
Data Sheet
1
Mar. 2007 Rev. 1. 3
BCD Semiconductor Manufacturing Limited
General Description
The AZ317 is an adjustable three-terminal positive
voltage regulator with a very low dropout of 1.2V at
1A output current. Using 2 external resistors, the
AZ317 can provide an adjustable output voltage down
to 1.25V.
The AZ317 includes a circuit of trimmed bandgap ref-
erence to assure output voltage accuracy to be within
1%. It also provides current limiting and thermal shut-
down. The current limit is trimmed to ensure specified
output current and controlled short-circuit current. The
On-chip thermal limiting provides protection against
any combination of overload and ambient temperature
that would create excessive junction temperature.
The AZ317 is available in the standard SOT-223, TO-
220-3, TO-252-2 (1) and TO-263-3 power packages.
Features
·
·
·
·
Typical 1% Output Voltage Tolerance
Typical 0.01%/V Line Regulation
Typical 0.2% Load Regulation
Very Low Dropout Voltage: 1.2V at 1A Output
Current
Trimmed Current Limit
On-chip Thermal Protection
Operation Junction Temperature: 0 to 125
o
C
·
·
·
Applications
·
·
·
·
·
·
·
PC Motherboard
LCD Monitor
Graphic Card
DVD Player
Network Interface Card/Switch
Telecom Equipment
Printer and other Peripheral Equipment
Figure 1. Package Types of AZ317
SOT-223
TO-220-3
TO-252-2 (1)
TO-263-3
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