LP38501-ADJ
- Input Voltage: 2.7 V to 5.5 V
- Adjustable Output Voltage: 0.6 V
to 5 V - FlexCap: Stable with Ceramic, Tantalum,
or Aluminum Capacitors - Stable With 10-µF Input and
Output Capacitors - Low Ground-Pin Current
- 25-nA Quiescent Current in Shutdown Mode
- Ensured Output Current of 3 A
- Ensured VADJ Accuracy of
±1.5% at 25°C (A Grade) - Ensured Accuracy of ±3.5% at
25°C (STD) - Overtemperature and Overcurrent Protection
- ENABLE (EN) Pin (LP38501 only)
- –40°C to +125°C Operating
Temperature Range
TI’s FlexCap low-dropout (LDO) linear regulators feature unique compensation that allow use of any type of output capacitor with no limits on minimum or maximum equivalent series resistance (ESR). The LP38501 and LP38503 series of LDOs operate from a 2.7-V to 5.5-V input supply. These ultra-low-dropout linear regulators respond very quickly to step changes in load, making them suitable for low-voltage microprocessor applications. Developed on a CMOS process (utilizing a PMOS pass transistor) the LP38501-ADJ and LP38503-ADJ have low quiescent currents that change little with load current.
- GND Pin Current: Typically 2 mA at 3-A load current.
- Disable Mode: Typically 25-nA quiescent current when the EN pin is pulled low.
- Simplified Compensation: Stable with any type of output capacitor, regardless of ESR.
- Precision Output: grade versions available with 1.5% VADJ tolerance (25°C) and 3% over line, load, and temperature.
技术文档
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| 顶层文档 | 类型 | 标题 | 格式选项 | 下载最新的英语版本 | 日期 | |
|---|---|---|---|---|---|---|
| * | 数据表 | LP3850x-ADJ, LP3850xA-ADJ 3-A FlexCap Low Dropout Linear Regulator for 2.7-V to 5.5-V Inputs 数据表 (Rev. I) | PDF | HTML | 2015-8-27 | ||
| 应用手册 | AN-2219 Precision Current Limiting with the LMP8646 and LP38501 (Rev. A) | 2013-4-24 | ||||
| 应用手册 | AN-1824 FlexCap Technology Simplifies LDO Design (Rev. A) | 2013-4-24 | ||||
| 应用手册 | Multi-Chip Packages | 2004-5-15 |
设计与开发
如需其他信息或资源，请点击以下任一标题进入详情页面查看（如有）。
| 封装 | 引脚 | CAD 符号、封装和 3D 模型 |
|---|---|---|
| TO-263 (KTT) | 5 | Ultra Librarian |
| TO-263 (NDQ) | 5 | Ultra Librarian |
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