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See Technical Specifications

L4938EPD +BOM

Positive 5V Voltage Regulator

Manufacturer:

STMicroelectronics
Mfr.Part #:

L4938EPD
Datasheet:

L4938EPD Datasheet (PDF)
REACH:

Details
Mounting Style:

SMD/SMT
Output Voltage:

800 mV to 4.5 V
Output Current:

100 mA, 400 mA
EDA/CAD Models:

Request Free CAD Models for L4938EPD

L4938EPD General Description

The L4938EPD voltage regulator IC from STMicroelectronics is a robust and reliable solution for automotive voltage regulation needs. Its wide input voltage range of 4.5V to 45V makes it versatile for various automotive systems, while its fixed output voltage of 5V and maximum output current of 500mA ensure stable and efficient power delivery. With features like on/off control, overcurrent protection, and thermal shutdown, the L4938EPD offers added safety measures for dependable operation in challenging automotive environments. Furthermore, its compact PDIP package enables easy integration into existing automotive setups, making it a convenient choice for engineers looking for a compact and efficient voltage regulator solution

Key Features

Enable and sense inputs (EN, SI) protected against negative transients down to -5 V

Reset threshold adjustable from 3.8 V to 4.7 V

Extremely low quiescent current, 65 A (less than 90 A) in standby mode

Operating DC supply voltage range 5 V - 28 V

Operating transient supply voltage up to 40 V

High precision standby output voltage 5 V1% with 100 mA current capability

Output 2 voltage 5 V2% with 400 mA current capability (ADJ wired to VOUT2)

Output 2 voltage adjustable by external voltage divider

Output 2 disable function for standby mode

Specifications

Product Category	LDO Voltage Regulators	REACH	Details
Mounting Style	SMD/SMT	Output Voltage	800 mV to 4.5 V
Output Current	100 mA, 400 mA	Number of Outputs	2 Output
Polarity	Positive	Quiescent Current	65 uA
Input Voltage, Min	5 V	Input Voltage, Max	28 V
Output Type	Adjustable, Fixed	Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 150 C	Dropout Voltage	200 mV, 300 mV
Qualification	AEC-Q100	Series	L4938EPD
Height	3.3 mm	Length	16 mm
Line Regulation	20 mV	Load Regulation	50 mV
Moisture Sensitive	Yes	Pd - Power Dissipation	875 mW
Product Type	LDO Voltage Regulators	Factory Pack Quantity	310
Subcategory	PMIC - Power Management ICs	Width	11.1 mm
Unit Weight	0.067021 oz