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參數資料
| 型號： | JL2951SPA |
| 英文描述： | Fixed & Adjustable Voltage Regulator |
| 中文描述： | 固定 |
| 文件頁數： | 1/16頁 |
| 文件大小： | 273K |
| 代理商： | JL2951SPA |
Original Creation Date: 08/01/95
Last Update Date: 05/19/98
Last Major Revision Date: 01/21/97
MJLP2951-X REV 1B1
MICROCIRCUIT DATA SHEET
ADJUSTABLE MICROPOWER VOLTAGE REGULATORS
General Description
The LP2951 is a micropower voltage regulator with very low quiescent curent (75 uA typ.)
and very low dropout voltage (typ. 40 mV at light loads and 380 mV at 100mA). They are
ideally suited for use in battery-powered systems. Furthermore, the quiescent current of
the LP2951 increases only slightly in dropout, prolonging battery life.
The 8-Lead LP2951 is available in plastic, ceramic dual-in-line, or metal can packages and
offers additional system functions.
One such feature is an error flag output which warns of a low output voltage, often due to
falling batteries on the input. It may be used for a power-on reset. A second feature is
the logic-compatible shutdown input which enables the regulator to be switched on and off.
Also, the part may be pin-strapped for a 5V output or programmed from 1.24V to 29V with an
external pair of resistors.
Careful design of the LP2951 has minimized all contributions to the error budget. This
includes a tight initial tolerance (.5% typ.), extremely good load and line regulation
(.05% typ.) and a very low output voltage temperature coefficient, making the part useful
as a low-power voltage reference.
NS Part Numbers
JL2951BGA*
JL2951BPA**
JL2951S2A***
JL2951SGA****
JL2951SPA*****
Industry Part Number
LP2951
Prime Die
LP2951
Controlling Document
See Features Page REV C
Processing
MIL-STD-883, Method 5004
Quality Conformance Inspection
MIL-STD-883, Method 5005
Subgrp Description Temp ( C)
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8B
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Static tests at
Static tests at
Static tests at
Dynamic tests at
Dynamic tests at
Dynamic tests at
Functional tests at
Functional tests at
Functional tests at
Switching tests at
Switching tests at
Switching tests at
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