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L4949D

Motorola Inc
Part Number L4949D
Manufacturer Motorola Inc
Description MULTIFUNCTION VERY LOW DROPOUT VOLTAGE REGULATOR
Published Mar 22, 2005
Detailed Description Order this document from L4949/D Advanced Information Multifunction Very Low Dropout Voltage Regulator The L4949 is a m...
Datasheet PDF File L4949D PDF File

L4949D
L4949D

Overview
Order this document from L4949/D Advanced Information Multifunction Very Low Dropout Voltage Regulator The L4949 is a monolithic integrated 5.
0 V voltage regulator with a very low dropout and additional functions such as power–on reset and input voltage sense.
It is designed for supplying the micro–computer controlled systems especially in automotive applications.
• Operating DC Supply Voltage Range 5.
0 V to 28 V L4949 MULTIFUNCTION VERY LOW DROPOUT VOLTAGE REGULATOR SILICON MONOLITHIC INTEGRATED CIRCUIT • • • • • • • • • Transient Supply Voltage Up to 40 V Extremely Low Quiescent Current in Standby Mode High Precision Standby Output Voltage 5.
0 V ±1% Output Current Capability Up to 100 mA Very Low Dropout Voltage Less Than 0.
4 V Reset Circuit Sensing The Output Voltage Programmable Reset Pulse Delay With External Capacitor Voltage Sense Comparator Thermal Shutdown and Short Circuit Protections 8 1 N SUFFIX PLASTIC PACKAGE CASE 626 8 1 D SUFFIX PLASTIC PACKAGE CASE 751 Representative Block Diagram Output Voltage (Vout) VZ 3 8 Supply Voltage (VCC) 1 Preregulator 6.
0 V CT 4 PIN CONNECTIONS VCC 1 2.
0 µA Reset 6 + – Reset 8 7 6 5 Vout So Reset Gnd Si VZ CT 2 3 4 Regulator Sense Input (Si) 2 Vs 2.
0 V Sense Output (So) 7 (Top View) + – 1.
23 Vref Sense 1.
23 V ORDERING INFORMATION Device Operating Temperature Range TJ = –40° to +125°C Package DIP–8 SO–8 Rev 0 5 Gnd L4949N L4949D This document contains information on a new product.
Specifications and information herein are subject to change without notice.
© Motorola, Inc.
1997 L4949 ABSOLUTE MAXIMUM RATINGS (Absolute Maximum Ratings indicate limits beyond which damage to the device may occur.
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