L4938E

Obsolete

STMicroelectronics

IC REG LINEAR POS ADJ 16POWERDIP

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L4938E

Obsolete

STMicroelectronics

IC REG LINEAR POS ADJ 16POWERDIP

Deep-Dive with AI

DocumentsDatasheet

Specifications Pricing Series Description Documents

Technical Specifications

Parameters and characteristics for this part

Specification	L4938E

Control Features	Reset, Enable
Current - Output	400 mA, 100 mA
Mounting Type	Through Hole
Number of Regulators	2
Output Configuration	Positive
Output Type	Adjustable (Fixed)
Package / Case	16-DIP
Package / Case	0.346 in, 8.8 mm
Protection Features	Over Temperature
Supplier Device Package	16-PowerDIP (20x7.10)
Voltage - Input (Max) [Max]	28 V
Voltage - Output (Max) [Max]	5.1 V
Voltage - Output (Min/Fixed)	4.9 V
Voltage - Output (Min/Fixed)	5 V
Voltage Dropout (Max) [Max]	0.6 V, 0.4 V

L4938EPD Series

Advanced Voltage Regulator

Part	Voltage - Input (Max) [Max]	Mounting Type	Package / Case	Package / Case	Voltage - Output (Min/Fixed)	Voltage - Output (Min/Fixed)	Number of Regulators	Control Features	Current - Output	Voltage Dropout (Max) [Max]	Output Type	Protection Features	Supplier Device Package	Output Configuration	Voltage - Output (Max) [Max]	Package / Case [y]	Package / Case [y]	Package / Case [x]	Operating Temperature [Max]	Operating Temperature [Min]
STMicroelectronics L4938E	28 V	Through Hole	16-DIP	0.346 in 8.8 mm	4.9 V	5 V	2	Enable Reset	100 mA 400 mA	0.4 V 0.6 V	Adjustable (Fixed)	Over Temperature	16-PowerDIP (20x7.10)	Positive	5.1 V
STMicroelectronics L4938ED	28 V	Surface Mount	20-SOIC		4.9 V	5 V	2	Enable Reset	100 mA 400 mA	0.4 V 0.6 V	Adjustable (Fixed)	Over Temperature	20-SO	Positive	5.1 V	0.295 in	7.5 mm
STMicroelectronics L4938ED013TR	28 V	Surface Mount	20-SOIC		4.9 V	5 V	2	Enable Reset	100 mA 400 mA	0.4 V 0.6 V	Adjustable (Fixed)	Over Temperature	20-SO	Positive	5.1 V	0.295 in	7.5 mm
STMicroelectronics L4938EPD	28 V	Surface Mount	20-SOIC (0.433" 11.00mm Width) Exposed Pad		4.9 V	5 V	2	Enable Reset	100 mA 400 mA	0.4 V 0.6 V	Adjustable (Fixed)	Over Temperature	PowerSO-20	Positive	5.1 V			11 mm
STMicroelectronics L4938ND013TR	25 V	Surface Mount	20-SOIC		5 V		2	Enable Reset	50 mA 500 mA	0.4 V 0.6 V	Adjustable (Fixed)		20-SO	Positive		0.295 in	7.5 mm		125 °C	-40 °C
STMicroelectronics L4938EPD13TR	28 V	Surface Mount	20-SOIC (0.433" 11.00mm Width) Exposed Pad		4.9 V	5 V	2	Enable Reset	100 mA 400 mA	0.4 V 0.6 V	Adjustable (Fixed)	Over Temperature	PowerSO-20	Positive	5.1 V			11 mm

Pricing

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

Distributor	Package	Quantity	$

Digikey	Tube	1	$ 4.82
		10	$ 4.33
		25	$ 4.09
		100	$ 3.55
		250	$ 3.36
		500	$ 3.02

Description

General part information

L4938EPD 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