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LP3961 - 800mA 快速超低压降线性稳压器
LP3961是TI德州仪器公司的一款单通道LDO产品,LP3961是800mA 快速超低压降线性稳压器,本站介绍了LP3961的封装应用图解、特点和优点、功能等,并给出了与LP3961相关的TI元器件型号供参考。
LP3961 - 800mA 快速超低压降线性稳压器 - 单通道LDO - 线性稳压器(LDO) - 德州仪器
- Input Supply Voltage: 2.5 V to 7 V
- Ultra-Low Dropout Voltage
- Low Ground Pin Current
- Load Regulation of 0.02%
- 15-µA Quiescent Current in Shutdown Mode
- Specified Output Current of 0.8-A DC
- Output Voltage Accuracy ±1.5%
- ERROR Flag Indicates Output Status (LP3961)
- Sense Option Improves Better Load Regulation (LP3964)
- Extremely Low Output Capacitor Requirements
- Overtemperature and Overcurrent Protection
- −40°C to 125°C Junction Temperature Range
- Microprocessor Power Supplies
- GTL, GTL+, BTL, and SSTL Bus Terminators
- Power Supplies for DSPs
- SCSI Terminator
- Post Regulators
- High-Efficiency Linear Regulators
- Battery Chargers
- Other Battery-Powered Applications
The LP396x series of fast ultra-low-dropout linear regulators operate from a 2.5-V to 7-V input supply. A wide range of preset output voltage options are available. These ultra-low dropout linear regulators respond very fast to step changes in load which makes them suitable for low-voltage microprocessor applications. The LP3961 and LP3964 are developed on a CMOS process which allows low quiescent current operation independent of output load current, as well as operation under extremely low dropout conditions.
Dropout Voltage: Ultra-low dropout voltage; typically 24 mV at 80-mA load current and 240 mV at 800-mA load current.
Ground Pin Current: Typically 4 mA at 800-mA load current.
ERROR Flag:ERROR flag goes low when the output voltage drops 10% below nominal value (for LP3961).
SENSE: SENSE pin improves regulation at remote loads (for LP3964).
Precision Output Voltage: Multiple output voltage options are available ranging from 1.2 V to 5 V and adjustable (LP3964), with a specified accuracy of ±1.5% at room temperature, and ±3% over all conditions (varying line, load, and temperature).
| PART NUMBER | PACKAGE | BODY SIZE (NOM) |
|---|---|---|
| LP3961 LP3964 | SOT-223 (5) | 6.50 mm × 3.56 mm |
| TO-263 (5) | 10.16 mm × 8.42 mm | |
| LP3964 | TO-220 (5) | 14.986 mm × 10.16 mm |
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