STMicroelectronics L4947H Linear Controllers

Linear Voltage Regulator IC Positive Fixed 1 Output 500mA 5-PENTAWATT

2,507STMicroelectronicsPentawatt-5 (Horizontal, Bent and Staggered Leads)$2.31RoHS

Same model may have multiple batches, images only for reference.

L4947H

Manufacturer

STMicroelectronics

Part Number (MPN)

L4947H

Technical Specifications

STMicroelectronics L4947H Linear Controllers technical specifications.

General

Package / Case

Pentawatt-5

Mounting Type

Through Hole

Operating Temperature

-40°C ~ 125°C

Lifecycle Status

Obsolete

Output Type

Fixed

Max Input Voltage

26V

Current Supply Max

180 mA

Output Current

500mA

Quiescent Current

13 mA

Control Features

Reset

Alternate Parts Comparison (L4947H vs L149H vs L7805CV-DG vs L78M15ABDT-TR)

Side-by-side technical parameter comparison of related primary models in this product family.

	This Part	Alternate Parts	Alternate Parts	Alternate Parts
	STMicroelectronicsL4947H	STMicroelectronicsL149H	STMicroelectronicsL7805CV-DG	STMicroelectronicsL78M15ABDT-TR
Mounting Type	Through Hole	Through Hole	Through Hole	Surface Mount
Max Input Voltage	26V	20V	18 V	30 V
Output Current	500mA	4A	1.5 A	500 mA
Quiescent Current	13 mA	400 µA	8 mA	6 mA
Package / Case	Pentawatt-5	Pentawatt-5	TO-220-3	TO-252-3, DPak
Operating Temperature	-40°C ~ 125°C	--	0°C ~ 125°C	-40°C ~ 125°C
Number of Regulators	1	1	1	1
Output Type	Fixed	--	Fixed	Fixed
Output Voltage	5V	--	5 V	15 V
Protection Features	Over Temperature, Reverse Polarity, Short Circuit	Over Temperature, Short Circuit	Over Temperature, Short Circuit	Over Current, Over Temperature, Short Circuit
PSRR	60dB (120Hz)	--	62 dB	54 dB
Voltage Dropout	0.75V @ 500mA	--	2 V	2 V
Action	RFQ	RFQ	RFQ	RFQ

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