Integrated Circuits (ICs)

L4938ED

Obsolete

STMicroelectronics

IC REG LINEAR POS ADJ 20SO

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Integrated Circuits (ICs)

L4938ED

Obsolete

STMicroelectronics

IC REG LINEAR POS ADJ 20SO

Deep-Dive with AI

DocumentsDatasheet

Specifications Series Pricing Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	L4938ED

Control Features	Enable, Reset
Current - Output	400 mA, 100 mA
Mounting Type	Surface Mount
Number of Regulators	2
Operating Temperature [Max]	150 °C
Operating Temperature [Min]	-40 C
Output Configuration	Positive
Output Type	Adjustable (Fixed)
Package / Case	20-SOIC (0.295", 7.50mm Width)
Protection Features	Over Temperature
Supplier Device Package	20-SO
Voltage - Input (Max) [Max]	28 V
Voltage - Output (Max) [Max]	5.1 V
Voltage - Output (Min/Fixed) [Max]	5 V
Voltage - Output (Min/Fixed) [Min]	4.9 V
Voltage Dropout (Max)	0.4 V, 0.6 V

L4938 Series

Advanced Voltage Regulator

Part	Supplier Device Package	Output Type	Voltage - Output (Min/Fixed)	Voltage - Output (Min/Fixed)	Voltage Dropout (Max)	Operating Temperature [Max]	Operating Temperature [Min]	Output Configuration	Current - Output	Mounting Type	Number of Regulators	Control Features	Package / Case	Protection Features	Voltage - Input (Max) [Max]	Package / Case	Package / Case	Voltage - Output (Min/Fixed) [Min]	Voltage - Output (Min/Fixed) [Max]	Voltage - Output (Max) [Max]
STMicroelectronics L4938NPD	PowerSO-20	Adjustable (Fixed)	5 V	Tracking	0.4 V 0.6 V	125 °C	-40 C	Positive	50 mA 500 mA	Surface Mount	2	Enable Reset	20-SOIC (0.433" 11.00mm Width) Exposed Pad	Over Temperature Short Circuit	25 V
STMicroelectronics L4938E	16-PowerDIP (20x7.10)	Adjustable (Fixed)			0.4 V 0.6 V	150 °C	-40 C	Positive	100 mA 400 mA	Through Hole	2	Enable Reset	16-DIP	Over Temperature	28 V	8.8 mm	0.346 in	4.9 V	5 V	5.1 V
STMicroelectronics L4938ED	20-SO	Adjustable (Fixed)			0.4 V 0.6 V	150 °C	-40 C	Positive	100 mA 400 mA	Surface Mount	2	Enable Reset	20-SOIC (0.295" 7.50mm Width)	Over Temperature	28 V			4.9 V	5 V	5.1 V
STMicroelectronics L4938ED013TR	20-SO	Adjustable (Fixed)			0.4 V 0.6 V	150 °C	-40 C	Positive	100 mA 400 mA	Surface Mount	2	Enable Reset	20-SOIC (0.295" 7.50mm Width)	Over Temperature	28 V			4.9 V	5 V	5.1 V
STMicroelectronics L4938EPD	PowerSO-20	Adjustable (Fixed)			0.4 V 0.6 V	150 °C	-40 C	Positive	100 mA 400 mA	Surface Mount	2	Enable Reset	20-SOIC (0.433" 11.00mm Width) Exposed Pad	Over Temperature	28 V			4.9 V	5 V	5.1 V
STMicroelectronics L4938ND013TR	20-SO	Adjustable (Fixed)	5 V	Tracking	0.4 V 0.6 V	125 °C	-40 C	Positive	50 mA 500 mA	Surface Mount	2	Enable Reset	20-SOIC (0.295" 7.50mm Width)	Over Temperature Short Circuit	25 V
STMicroelectronics L4938EPD13TR	PowerSO-20	Adjustable (Fixed)			0.4 V 0.6 V	150 °C	-40 C	Positive	100 mA 400 mA	Surface Mount	2	Enable Reset	20-SOIC (0.433" 11.00mm Width) Exposed Pad	Over Temperature	28 V			4.9 V	5 V	5.1 V

Pricing

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	N/A	0	$ 2.16

Description

General part information

L4938 Series

The L4938ED and L4938EPD are monolithic integrated dual voltage regulators with two very low dropout outputs and additional functions such as power-on reset and input voltage sense. They are designed for supplying microcomputer controlled systems especially in automotive applications.

Documents

Technical documentation and resources