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L4979D

Low Dropout (LDO) Regulators Lo DROP Vltg REG

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SeekIC No. : 00516814 Detail

L4979D: Low Dropout (LDO) Regulators Lo DROP Vltg REG

L4979D Data Sheet

floor Price/Ceiling Price

US $ .56~.66 / Piece | Get Latest Price
Part Number:
L4979D
Mfg:
STMicroelectronics
Supply Ability:
5000

Price Break

  • Qty
  • 0~1370
  • 1370~2000
  • 2000~5000
  • 5000~10000
  • Unit Price
  • $.66
  • $.61
  • $.57
  • $.56
  • Processing time
  • 15 Days
  • 15 Days
  • 15 Days
  • 15 Days
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Total Cost: $ 0.00

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Upload time: 2024/10/27

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Product Details

Quick Details

Input Voltage MAX : 31 V Output Voltage : 5 V
Dropout Voltage (Max) : 0.4 V at 150 mA Output Current : 300 mA
Load Regulation : 25 mV Number of Outputs : 1
Output Type : Fixed Maximum Operating Temperature : + 150 C
Mounting Style : SMD/SMT Package / Case : SO-8    

Description

Number of Outputs : 1
Mounting Style : SMD/SMT
Output Voltage : 5 V
Output Type : Fixed
Maximum Operating Temperature : + 150 C
Output Current : 300 mA
Load Regulation : 25 mV
Package / Case : SO-8
Dropout Voltage (Max) : 0.4 V at 150 mA
Input Voltage MAX : 31 V


Features:

` OPERATING DC SUPPLY VOLTAGE RANGE 5.6V TO 31V
` LOW QUIESCENT CURRENT (6A 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


Pinout

Connection Diagram


Specifications

Symbol
Parameter
Value
Unit
Vvsdc
 DC supply voltage
-0.3to40
V
Ivsdc
 Input current
internally limited
Vvo
 DC output voltage
-0.3to6
V
Ivo
 DC output current
internally limited
Vwi
 Watchdog input voltage
-0.3 to Vvo +0.3
V
Vod
 Open drain output voltage (RES)
-0.3 to Vvo +0.3
V
Iod
 Open drain output current (RES)
internally limited
Vcr
 Reset delay voltage
-0.3 to Vvo +0.3
V
Vcw
 Watchdog delay voltage
-0.3 to Vvo +0.3
V
Ven
 Enable input voltage
-0.3to40
V
Tj
 Junction temperature
-40to150
°C
VESD
 ESD voltage level (HBM-MIL STD 883C)
±2
KV
Note: 1. Maximum ratings are absolute ratings; exceeding any one of these values may cause permanent damage to the integrated circuit.


Parameters:

Technical/Catalog InformationL4979D
VendorSTMicroelectronics
CategoryIntegrated Circuits (ICs)
TypeStep-Down (Buck)
Number of Outputs1
Voltage - Input5.6 ~ 31 V
Voltage - Output5V
Current - Output150mA
Power - Output-
Package / Case8-SOIC (3.9mm Width)
PackagingTube
Internal Switch(s)Yes
SynchronousNo
Rds (On)-
Operating Temperature-40°C ~ 150°C
Frequency - Switching-
Lead Free StatusLead Free
RoHS StatusRoHS Compliant
Other Names L4979D
L4979D



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