LP2986
LP2986 is Micropower/ 200 mA Ultra Low-Dropout Fixed or Adjustable Voltage Regulator manufactured by National Semiconductor.
Description
The LP2986 is a 200 m A precision LDO voltage regulator which offers the designer a higher performance version of the industry standard LP2951. Using an optimized VIP™ (Vertically Integrated PNP) process, the LP2986 delivers superior performance: Dropout Voltage: Typically 180 m V @ 200 m A load, and 1 m V @ 1 m A load. Ground Pin Current: Typically 1 m A @ 200 m A load, and 200 µA @ 10 m A load. Sleep Mode: The LP2986 draws less than 1 µA quiescent current when shutdown pin is pulled low. Error Flag: The built-in error flag goes low when the output drops approximately 5% below nominal. Precision Output: The standard product versions available can be pin-strapped (using the internal resistive divider) to provide output voltages of 5.0V, 3.3V, or 3.0V with guaranteed accuracy of 0.5% (“A” grade) and 1% (standard grade) at room temperature.
Features n n n n n n n n n n Ultra low dropout voltage Guaranteed 200 m A output current SO-8 and mini-SO8 surface mount packages < 1 µA quiescent current when shutdown Low ground pin current at all loads 0.5% output voltage accuracy (“A” grade) High peak current capability (400 m A typical) Wide supply voltage range (16V max) Overtemperature/overcurrent protection
- 40˚C to +125˚C junction temperature range
Applications n Cellular Phone n Palmtop/Laptop puter n Camcorder, Personal Stereo, Camera
Block Diagram
DS012935-1
VIP™ is a trademark of National Semiconductor Corporation.
© 1999 National Semiconductor Corporation
DS012935
.national.
Connection Diagram and Ordering Information
Surface Mount Packages: Mini SO-8 Package Type MM: See NS Package Drawing Number MUA08A SO-8 Package Type M: See NS Package Drawing Number M08A
DS012935-2
Top View For ordering information, refer to Table 1 of this document.
Basic Application Circuits
Application Using Internal Resistive Divider
DS012935-3
.national.
Basic Application Circuits
(Continued) Application Using External Divider
DS012935-4
Ordering Information
TABLE 1....