參數(shù)資料
型號: L4979MD
廠商: 意法半導體
元件分類: 基準電壓源/電流源
英文描述: LOW DROP VOLTAGE REGULATOR
中文描述: 低壓差穩(wěn)壓器
文件頁數(shù): 1/10頁
文件大?。?/td> 268K
代理商: L4979MD
1/10
L4979D
L4979MD
October 2004
1
OPERATING DC SUPPLY VOLTAGE RANGE
5.6V TO 31V
LOW QUIESCENT CURRENT
(6
μ
A Typ. @ 25°C with Enable Low)
HIGH PRECISION OUTPUT VOLTAGE (2%)
LOW DROPOUT VOLTAGE LESS THAN 0.5V
RESET CIRCUIT SENSING THE OUTPUT
VOLTAGE DOWN TO 1V
PROGRAMMABLE RESET PULSE DELAY
WITH EXTERNAL CAPACITOR
WATCHDOG
PROGRAMMABLE WATCHDOG TIMER WITH
EXTERNAL CAPACITOR
THERMAL SHUTDOWN AND SHORT
CIRCUIT PROTECTION
AUTOMOTIVE TEMPERATURE RANGE
(Tj = -40°C TO 150°C)
ENABLE INPUT FOR ENABLING/DISABLING
THE VOLTAGE REGULATOR OUTPUT
FEATURES
LOW DROP VOLTAGE REGULATOR
Figure 2. Block Diagram
Voltage reference
reset
watchdog
Vs
Vi
Wi
Vcw
Vcr
Ctr
Ctw
Res
En
gnd
Vo
Co
5V, 150 mA
Figure 1. Packages
Table 1. Order Codes
Part Number
Package
L4979D
SO-8
L4979MD
SO-20
L4979D13TR
SO-8 Tape & Reel
L4979MD13TR
SO-20 Tape & Reel
SO-8
SO-20
Rev. 5
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