L4938NPD

Obsolete

STMicroelectronics

IC REG LINEAR POS ADJ POWERSO20

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L4938NPD

Obsolete

STMicroelectronics

IC REG LINEAR POS ADJ POWERSO20

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Description Specifications Series Pricing CAD Documents

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.

Technical Specifications

Parameters and characteristics for this part

Specification	L4938NPD

Control Features	Enable, Reset
Current - Output (Max)	500 mA
Current - Output (Min)	50 mA
Mounting Type	Surface Mount
Number of Regulators	2
Operating Temperature (Max)	125 °C
Operating Temperature (Min)	-40 °C
Output Configuration	Positive
Output Type	Adjustable (Fixed)
Package Features	Exposed Pad
Package Length	0.433 in
Package Name	PowerSO-20, 20-SOIC
Package Width	11 mm
Protection Features	Short Circuit, Over Temperature
Voltage - Input (Max)	25 V
Voltage - Output (Min/Fixed)	5 V
Voltage - Output (Mode)	Tracking
Voltage Dropout (Max)	0.4 V
Voltage Dropout (Max) (Alt)	0.6 V

L4938 Series

Advanced Voltage Regulator

Part	Package Name	Output Type	Voltage - Output (Mode)	Voltage - Output (Min/Fixed)	Voltage Dropout (Max) (Alt)	Voltage Dropout (Max)	Operating Temperature (Max)	Operating Temperature (Min)	Output Configuration	Current - Output (Max)	Current - Output (Min)	Mounting Type	Number of Regulators	Control Features	Package Length	Package Features	Package Width	Protection Features	Voltage - Input (Max)	Voltage - Output (Max)	Voltage - Output (Fixed Options)	Voltage - Output (Min)
STMicroelectronics L4938NPD	20-SOIC PowerSO-20	Adjustable (Fixed)	Tracking	5 V	0.6 V	0.4 V	125 °C	-40 °C	Positive	500 mA	50 mA	Surface Mount	2	Enable Reset	0.433 in	Exposed Pad	11 mm	Over Temperature Short Circuit	25 V
STMicroelectronics L4938E	16-DIP 16-PowerDIP	Adjustable (Fixed)			0.6 V	0.4 V	150 °C	-40 °C	Positive	400 mA	100 mA	Through Hole	2	Enable Reset	0.346 in 20 mm		7.1 mm 8.8 mm	Over Temperature	28 V	5.1 V	5V	4.9 V
STMicroelectronics L4938ED	20-SO 20-SOIC	Adjustable (Fixed)			0.6 V	0.4 V	150 °C	-40 °C	Positive	400 mA	100 mA	Surface Mount	2	Enable Reset	0.295 in		7.5 mm	Over Temperature	28 V	5.1 V	5V	4.9 V
STMicroelectronics L4938ED013TR	20-SO 20-SOIC	Adjustable (Fixed)			0.6 V	0.4 V	150 °C	-40 °C	Positive	400 mA	100 mA	Surface Mount	2	Enable Reset	0.295 in		7.5 mm	Over Temperature	28 V	5.1 V	5V	4.9 V
STMicroelectronics L4938EPD	20-SOIC PowerSO-20	Adjustable (Fixed)			0.6 V	0.4 V	150 °C	-40 °C	Positive	400 mA	100 mA	Surface Mount	2	Enable Reset	0.433 in	Exposed Pad	11 mm	Over Temperature	28 V	5.1 V	5V	4.9 V
STMicroelectronics L4938ND013TR	20-SO 20-SOIC	Adjustable (Fixed)	Tracking	5 V	0.6 V	0.4 V	125 °C	-40 °C	Positive	500 mA	50 mA	Surface Mount	2	Enable Reset	0.295 in		7.5 mm	Over Temperature Short Circuit	25 V
STMicroelectronics L4938EPD13TR	20-SOIC PowerSO-20	Adjustable (Fixed)			0.6 V	0.4 V	150 °C	-40 °C	Positive	400 mA	100 mA	Surface Mount	2	Enable Reset	0.433 in	Exposed Pad	11 mm	Over Temperature	28 V	5.1 V	5V	4.9 V

Pricing

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CAD

3D models and CAD resources for this part

Documents

Technical documentation and resources

L4938NPD | Datasheet