REG1117 单输出 LDO、800mA、可调节电压（1.25 至 13.5V）、内部电流限制、过热保护
REG1117 描述
The REG1117 is a family of easy-to-use three-terminal voltage regulators. The family includes a variety of fixed-and adjustable-voltage versions, two currents (800mA and 1A) and two package types (SOT-223 and DDPAK). See the chart below for available options.
Output voltage of the adjustable versions is set with two external resistors. The REG1117 low dropout voltage allows its use with as little as 1V input-output voltage differential.
Laser trimming assures excellent output voltage accuracy without adjustment. An NPN output stage allows output stage drive to contribute to the load current for maximum efficiency
|
REG1117 |
REG1117-285 |
REG1117-33 |
REG1117-5 |
REG1117A |
REG1117A-18 |
REG1117A-25 |
REG1117A-5 |
REG1118 |
| Iout(Max)(A) |
0.8 |
0.8 |
0.8 |
0.8 |
1 |
1 |
1 |
1 |
0.8 |
| Vdo(Typ)(mV) |
1100 |
1100 |
1100 |
1100 |
1200 |
1200 |
1200 |
1200 |
1100 |
| Iq(Typ)(mA) |
4 |
4 |
4 |
4 |
4 |
4 |
4 |
4 |
3 |
| Vin(Min)(V) |
3.8 |
3.8 |
3.8 |
3.8 |
3.8 |
3.8 |
3.8 |
3.8 |
4.75 |
| Vin(Max)(V) |
15 |
15 |
15 |
15 |
15 |
15 |
15 |
15 |
6 |
| Vout(Min)(V) |
|
2.85 |
3.3 |
5 |
|
1.8 |
2.5 |
5 |
2.85 |
| Vout(Max)(V) |
|
2.85 |
3.3 |
5 |
|
1.8 |
2.5 |
5 |
2.85 |
| Vout Adj(Min)(V) |
1.25 |
|
|
|
1.25 |
|
|
|
|
| Vout Adj(Max)(V) |
13.5 |
|
|
|
13.5 |
|
|
|
|
| Output Capacitor(uF) |
10 |
10 |
10 |
10 |
10 |
10 |
10 |
10 |
10 |
| Output Capacitor Type |
Tantalum |
Tantalum |
Tantalum |
Tantalum |
Tantalum |
Tantalum |
Tantalum |
Tantalum |
Tantalum |
| Fixed Output Options(V) |
|
2.85 |
3.3 |
5 |
|
1.8 |
2.5 |
5 |
2.85 |
| Pin/Package |
4SOT-223 |
4SOT-223 |
3DDPAK/TO-263, 4SOT-223 |
4SOT-223 |
3DDPAK/TO-263, 4SOT-223 |
3DDPAK/TO-263, 4SOT-223 |
3DDPAK/TO-263, 4SOT-223 |
3DDPAK/TO-263 |
4SOT-223 |
| Rating |
Catalog |
Catalog |
Catalog |
Catalog |
Catalog |
Catalog |
Catalog |
Catalog |
Catalog |
| Regulated Outputs(#) |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
REG1117 特性
- FIXED AND ADJUSTABLE VERSIONS
- 2.85V MODEL FOR SCSI-2 ACTIVE TERMINATION
- OUTPUT CURRENT:
REG1117: 800mA max
REG1117A: 1A max
- OUTPUT TOLERANCE: ±1% max
- DROPOUT VOLTAGE:
REG1117: 1.2V max at IO = 800mA
REG1117A: 1.3V max at IO = 1A
- INTERNAL CURRENT LIMIT
- THERMAL OVERLOAD PROTECTION
- SOT-223 AND DDPAK SURFACE-MOUNT PACKAGES
- APPLICATIONS
- SCSI-2 ACTIVE TERMINATION
- HAND-HELD DATA COLLECTION DEVICES
- HIGH EFFICIENCY LINEAR REGULATORS
- BATTERY POWERED INSTRUMENTATION
- BATTERY MANAGEMENT CIRCUITS FOR NOTEBOOK AND PALMTOP PCs
- CORE VOLTAGE SUPPLY: FPGA, PLD, DSP, CPU
REG1117 芯片订购指南
REG1117 应用技术支持与电子电路设计开发资源下载
- REG1117 数据资料 dataSheet 下载.PDF
- TI 德州仪器LDO低压差线性稳压器驱动器选型与价格参考 . xls
- Dual MOSFET Driver
(PDF 498 KB)
- 全面认识开关型电源中的BUCK-BOOST功率级 (Rev. A)
(PDF 2206 KB)
- LDO PSRR Measurement Simplified
(PDF 140 KB)
- LDO Noise Demystified
(PDF 782 KB)
- 标准线性产品交叉参考 (Rev. D)
(PDF 1058 KB)
- 模数规格和性能特性术语表 (Rev. A) (PDF 1993 KB)
- 所选封装材料的热学和电学性质 (PDF 645 KB)
- 高速数据转换 (PDF 1967 KB)
