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參數資料
| 型號： | NCV317 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | 1.5 A Adjustable Output,Positive Voltage Regulator |
| 中文描述： | 1.5 A的可調節輸出正電壓穩壓器 |
| 文件頁數： | 1/12頁 |
| 文件大小： | 146K |
| 代理商： | NCV317 |
Semiconductor Components Industries, LLC, 2006
August, 2006 Rev. 9
1
Publication Order Number:
LM317/D
LM317, NCV317
1.5 A Adjustable Output,
Positive Voltage Regulator
The LM317 is an adjustable 3terminal positive voltage regulator
capable of supplying in excess of 1.5 A over an output voltage range of
1.2 V to 37 V. This voltage regulator is exceptionally easy to use and
requires only two external resistors to set the output voltage. Further, it
employs internal current limiting, thermal shutdown and safe area
compensation, making it essentially blowout proof.
The LM317 serves a wide variety of applications including local, on
card regulation. This device can also be used to make a programmable
output regulator, or by connecting a fixed resistor between the
adjustment and output, the LM317 can be used as a precision current
regulator.
Features
Output Current in Excess of 1.5 A
Output Adjustable between 1.2 V and 37 V
Internal Thermal Overload Protection
Internal Short Circuit Current Limiting Constant with Temperature
Output Transistor SafeArea Compensation
Floating Operation for High Voltage Applications
Available in Surface Mount D
2
PAK3, and Standard 3Lead
Transistor Package
Eliminates Stocking many Fixed Voltages
PbFree Packages are Available
Figure 1. Standard Application
*
*C
in
is required if regulator is located an appreciable distance from power supply filter.
**C
O
is not needed for stability, however, it does improve transient response.
Since I
Adj
is controlled to less than 100 A, the error associated with this term is
negligible in most applications.
Vout
1.25V
1
R2
R1
IAdjR2
LM317
V
in
V
out
R
1
240
R
2
Adjust
I
Adj
C
in
*
0.1 F
+C
O
**
1.0 F
TO220
T SUFFIX
CASE 221AB
Pin 1. Adjust
2. V
out
3. V
in
D
2
PAK3
D2T SUFFIX
CASE 936
Heatsink surface (shown as terminal 4 in
case outline drawing) is connected to Pin 2.
3
1
2
Heatsink surface connected to Pin 2.
3
1
2
http://onsemi.com
See detailed ordering and shipping information in the package
dimensions section on page 10 of this data sheet.
ORDERING INFORMATION
See general marking information in the device marking
section on page 10 of this data sheet.
DEVICE MARKING INFORMATION
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相關代理商/技術參數 |
參數描述 |
|---|---|
| NCV317BD2T | 功能描述:線性穩壓器 - 標準 1.5A -1.2 to -37V RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負載調節: 最大輸入電壓:5.5 V 線路調整率: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
| NCV317BD2TG | 功能描述:線性穩壓器 - 標準 1.5A -1.2 to -37V ADJ Positive RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負載調節: 最大輸入電壓:5.5 V 線路調整率: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
| NCV317BD2TR4 | 功能描述:線性穩壓器 - 標準 1.5A -1.2 to -37V RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負載調節: 最大輸入電壓:5.5 V 線路調整率: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
| NCV317BD2TR4G | 功能描述:線性穩壓器 - 標準 1.5A -1.2 to -37V ADJ Positive RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負載調節: 最大輸入電壓:5.5 V 線路調整率: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
| NCV317BT | 功能描述:線性穩壓器 - 標準 1.5A -1.2 to -37V RoHS:否 制造商:STMicroelectronics 輸出類型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負載調節: 最大輸入電壓:5.5 V 線路調整率: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
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