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JAN1524J Schematic ( PDF Datasheet ) - Microsemi Corporation

Teilenummer JAN1524J
Beschreibung REGULATING PULSE WIDTH MODULATOR
Hersteller Microsemi Corporation
Logo Microsemi Corporation Logo 




Gesamt 6 Seiten
JAN1524J Datasheet, Funktion
SG1524/SG2524/SG3524
REGULATING PULSE WIDTH MODULATOR
DESCRIPTION
This monolithic integrated circuit contains all the control circuitry for a
regulating power supply inverter or switching regulator. Included in a 16-
pin dual-in-line package is the voltage reference, error amplifier, oscillator,
pulse width modulator, pulse steering flip-flop, dual alternating output
switches and current limiting and shut-down circuitry. This device can be
used for switching regulators of either polarity, transformer coupled DC to
DC converters, transformerless voltage doublers and polarity converters,
as well as other power applications. The SG1524 is specified for operation
over the full military ambient temperature range of -55°C to +125°C, the
SG2524 for -25°C to +85°C, and the SG3524 is designed for commercial
applications of 0°C to +70°C.
FEATURES
8V to 40V operation
5V reference
Reference line and load regulation of 0.4%
Reference temperature coefficient < ± 1%
100Hz to 300KHz oscillator range
Excellent external sync capability
Dual 50mA output transistors
Current limit circuitry
Complete PWM power control circuitry
Single ended or push-pull outputs
Total supply current less than 10mA
HIGH RELIABILITY FEATURES - SG1524
Available to MIL-STD-883B and DESC SMD
MIL-M-38510/12601BEA - JAN1524J
Radiation data available
LMI level "S" processing available
BLOCK DIAGRAM
4/90 Rev 1.1 2/94
Copyright © 1994
LINFINITY Microelectronics Inc.
1 11861 Western Avenue Garden Grove, CA 92841
(714) 898-8121 FAX: (714) 893-2570






JAN1524J Datasheet, Funktion
SG1524/SG2524/SG3524
CONNECTION DIAGRAMS & ORDERING INFORMATION (See Notes Below)
Package
Part No.
Ambient
Temperature Range
Connection Diagram
16-PIN CERAMIC DIP
J - PACKAGE
16-PIN PLASTIC DIP
N - PACKAGE
SG1524J/883B
JAN1524J
SG1524J/DESC
SG1524J
SG2524J
SG3524J
SG2524N
SG3524N
-55°C to 125°C
-55°C to 125°C
-55°C to 125°C
-55°C to 125°C
-25°C to 85°C
0°C to 70°C
-25°C to 85°C
0°C to 70°C
INV. INPUT 1 16 VREF
N.I. INPUT
2
15
+V
IN
OSC. OUTPUT 3 14 EB
+C.L. SENSE 4 13 CB
-C.L. SENSE 5 12 CA
RT 6 11 EA
CT 7 10 SHUTDOWN
GROUND 8
9 COMPENSATION
16-PIN NARROW BODY
PLASTIC S.O.I.C.
D - PACKAGE
SG2524D
SG3524D
-25°C to 85°C
0°C to 70°C
INV. INPUT
N.I. INPUT
OSC. OUTPUT
+C.L. SENSE
-C.L. SENSE
RT
CT
GROUND
1 16
2 15
3 14
4 13
5 12
6 11
7 10
89
VREF
+VIN
EB
CB
C
A
EA
SHUTDOWN
COMPENSATION
20-PIN CERAMIC
LEADLESS CHIP CARRIER
L- PACKAGE
SG1524L/883B
SG1524L
-55°C to 125°C
-55°C to 125°C
1. N.C.
2. VREF
3. INV. INPUT
4. N.I. INPUT
5. OSC. OUTPUT
6. + C.L. SENSE
7. - C.L. SENSE
8. R
T
9. CT
10. GROUND
4
5
6
7
8
3 2 1 20 19
11. COMP
12. SHUTDOWN
18 13. N.C.
17 14. EA
16 15. CA
16. N.C.
15 17. CB
14 18. E
B
19. N.C.
9 10 11 12 13
20. +VIN
Note 1. Contact factory for JAN and DESC product availablity.
2. All packages are viewed from the top.
4/90 Rev 1.1 2/94
Copyright © 1994
6
LINFINITY Microelectronics Inc.
11861 Western Avenue Garden Grove, CA 92841
(714) 898-8121 FAX: (714) 893-2570

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