L4938EPD

Dropout Voltage (Max) :
Mounting Style : SMD/SMT
Output Voltage : 5 V
Output Type : Fixed
Maximum Operating Temperature : + 150 C
Number of Outputs : 2
Load Regulation : 50 mV
Input Voltage MAX : 20 V
Output Current : 5 mA
Package / Case : PowerSO


Pinout




Specifications

 

Symbol	Parameter	Value	Unit
VINDC	DC Operating Supply Voltage	28	V
VINTR	Transient Operating Supply Voltage (T < 400ms)	-14 to 40	V
IO	Output Current	internally limited
VSI	Sense Input Voltage (Voltage Forced) (note 2)	-20 to 20	V
VSI	Sense Input Voltage (Voltage Forced) (note 2)	±1	mA
ISI	Sense Input Voltage (Voltage Forced) (note 2)	-20 to 20	V
VEN	Enable Input Voltage (Voltage Forced) (note 2)	±1	mA
VRES , VSO	Output Voltages	0.3 to 20	V
IRES , ISO	Output Currents (Output Low)	5	mA
PO 11 (Rth heatsink = 9K/W)	Power Dissipation at Tamb = 80°C (note 3) Multiwatt 11 (Rth heatsink = 9K/W)	5	W
Tstg	Storage Temperature	-65 to 150	°C
Tj	Operating Junction Temperature	-40 to 150	°C
TJSD	Thermal shutdown junction temperature Output 2 will shut-down typically at Tj 10K lower than output 1	165	°C

Description

The L4938E/ED/EPD is a monolithic integrated dual voltage regulator with two very low dropout outputs and additional functions as power-on reset and input voltage sense. The L4938E/ED/EPD  is designed for supplying the microcomputer controlled systems especially in automotive applications.


Parameters:

Technical/Catalog Information	L4938EPD
Vendor	STMicroelectronics
Category	Integrated Circuits (ICs)
Regulator Type	Multiple Output
Package / Case	PowerSO-20 Exposed Bottom Pad
Packaging	Tube
Regulator Topology	Positive Fixed and Adjustable
Current - Output	100mA, 400mA
Voltage - Output	5V, 4.9 ~ 5.1 V
Operating Temperature	-40°C ~ 150°C
Voltage - Input	6 ~ 28 V
Number of Regulators	2
Current - Limit (Min)	100mA, 450mA
Current Short Circuit (Isc)	-
Drawing Number	*
Lead Free Status	Lead Free
RoHS Status	RoHS Compliant
Other Names	L4938EPD L4938EPD