DataSheetWiki


L4938N fiches techniques PDF

STMicroelectronics - DUAL MULTIFUNCTION VOLTAGE REGULATOR

Numéro de référence L4938N
Description DUAL MULTIFUNCTION VOLTAGE REGULATOR
Fabricant STMicroelectronics 
Logo STMicroelectronics 





1 Page

No Preview Available !





L4938N fiche technique
L4938N/ND
® L4938NPD
DUAL MULTIFUNCTION VOLTAGE REGULATOR
. STANDBYOUTPUT VOLTAGEPRECISION 5V
± 2%
. OUTPUT 2 TRACKED TOTHESTANDBY OUT-
PUT
. OUTPUT 2 DISABLE FUNCTION FOR
STANDBY MODE
. VERY LOW QUIESCENT CURRENT, LESS
THAN 250µA, IN STANDBY MODE
. OUTPUT 2 VOLTAGE SETTABLE FROM 5 TO
20V
. OUTPUT CURRENTS : I01 = 50mA,I02 = 500mA
. VERY LOW DROPOUT (max 0.4V/0.6V)
. OPERATING TRANSIENT SUPPLY VOLTAGE
UP TO 40V
. POWER-ON RESET CIRCUIT SENSING THE
STANDBY OUTPUT VOLTAGE
. POWER-ON RESET DELAY PULSE DEFINED
BY THE EXTERNAL CAPACITOR
. EARLY WARNING OUTPUT FOR SUPPLY UN-
DERVOLTAGE
. THERMAL SHUTDOWN AND SHORTCIRCUIT
PROTECTIONS
PowerDIP
(12+2+2)
SO20
(12+4+4)
PowerSO20
ORDERING NUMBERS: L4938N (PDIP)
L4938ND (SO)
L4938NPD (PSO20)
DESCRIPTION
The L4938N is a monolithic integrated dual voltage
regulatorswith two very low dropout outputsand ad-
ditional functions such as power-on reset and input
voltage sense. They are designedfor supplying mi-
crocomputer controlled systems specially in auto-
motive applications.
PIN CONNECTION (top view)
POWERDIP
SO20
PowerSO20
N.C.
CT
EN
GND
GND
RES
SO
VO1
1 16
2 15
3 14
4 13
5 12
6 11
7 10
89
D95AT156
SI
VS1
VS2
GND
GND
VO2
VO2
ADJ
N.C.
C7
EN
GND
GND
GND
GND
RES
SO
VO1
1 20
2 19
3 18
4 17
5 16
6 15
7 14
8 13
9 12
10 11
D93AT004
SI
VS1
VS2
GND
GND
GND
GND
VO2
VO2
ADJ
GND
N.C.
VS2
VS1
SI
N.C.
CT
EN
N.C.
GND
1 20
2 19
3 18
4 17
5 16
6 15
7 14
8 13
9 12
10 11
D95AT169A
GND
N.C.
VO2
ADJ
VO1
SO
RESET
N.C.
N.C.
GND
April 1999
1/12
This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice.

PagesPages 12
Télécharger [ L4938N ]


Fiche technique recommandé

No Description détaillée Fabricant
L4938E ADVANCED VOLTAGE REGULATOR STMicroelectronics
STMicroelectronics
L4938ED ADVANCED VOLTAGE REGULATOR STMicroelectronics
STMicroelectronics
L4938EPD ADVANCED VOLTAGE REGULATOR STMicroelectronics
STMicroelectronics
L4938N DUAL MULTIFUNCTION VOLTAGE REGULATOR STMicroelectronics
STMicroelectronics

US18650VTC5A

Lithium-Ion Battery

Sony
Sony
TSPC106

PCI Bus Bridge Memory Controller

ATMEL
ATMEL
TP9380

NPN SILICON RF POWER TRANSISTOR

Advanced Semiconductor
Advanced Semiconductor


www.DataSheetWiki.com    |   2020   |   Contactez-nous  |   Recherche