廬
L4936N/NH
DUAL MULTIFUNCTION VOLTAGE REGULATOR
.
.
.
.
.
.
.
.
.
.
.
.
STANDBYOUTPUT VOLTAGEPRECISION 5V
鹵
2%
OUTPUT 2 TRACKED TO THE STANDBY OUT-
PUT
OUTPUT 2 DISABLE FUNCTION FOR
STANDBY MODE
VERY LOW QUIESCENT CURRENT, LESS
THAN 250碌A(chǔ), IN STANDBY MODE
OUTPUT 2 VOLTAGE SETTABLE FROM 5 TO
20V
OUTPUT CURRENTS : I
01
= 50mA, I
02
= 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
Multiwatt 11
Multiwatt 15
ORDERING NUMBERS:
L4936N (Multiwatt 11)
L4936NH (Multiwatt 15)
DESCRIPTION
TheL4936N/NHare monolithic integrated dual volt-
age regulators with two very low dropout outputs
and additionalfunctionssuchas power-onresetand
input voltage sense. They are designed for supply-
ing microcomputer controlled systems specially in
automotive applications.
PIN CONNECTION
(top view)
15
14
OUT2
ADJ
OUT1
SO
N.C.
N.C.
RES
GND
EN
N.C.
CT
N.C.
SI
VS1
VS2
11
10
9
8
7
6
5
4
3
2
1
OUT2
ADJ
OUT1
SO
RES
GND
EN
CT
N.C.
SI
VS1/VS2
13
12
11
10
9
8
7
6
5
4
3
2
1
TAB CONNECTED TO PIN 6
D94AT154
TAB CONNECTED TO PIN 6
D95AT155
June 2000
1/11