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SG2526N

Description
Switching Controller, Voltage-mode, 0.2A, 350kHz Switching Freq-Max, BIPolar, PDIP18, PLASTIC, DIP-18
CategoryPower/power management    The power supply circuit   
File Size182KB,9 Pages
ManufacturerLinfinity Microelectronics
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SG2526N Overview

Switching Controller, Voltage-mode, 0.2A, 350kHz Switching Freq-Max, BIPolar, PDIP18, PLASTIC, DIP-18

SG2526N Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
MakerLinfinity Microelectronics
package instructionPLASTIC, DIP-18
Reach Compliance Codeunknown
Analog Integrated Circuits - Other TypesSWITCHING CONTROLLER
control modeVOLTAGE-MODE
Control TechnologyPULSE WIDTH MODULATION
Maximum input voltage35 V
Minimum input voltage8 V
Nominal input voltage15 V
JESD-30 codeR-PDIP-T18
JESD-609 codee0
Number of functions1
Number of terminals18
Maximum operating temperature85 °C
Minimum operating temperature-25 °C
Maximum output current0.2 A
Package body materialPLASTIC/EPOXY
encapsulated codeDIP
Encapsulate equivalent codeDIP18,.3
Package shapeRECTANGULAR
Package formIN-LINE
Certification statusNot Qualified
surface mountNO
Switch configurationPUSH-PULL
Maximum switching frequency350 kHz
technologyBIPOLAR
Temperature levelOTHER
Terminal surfaceTin/Lead (Sn/Pb)
Terminal formTHROUGH-HOLE
Terminal pitch2.54 mm
Terminal locationDUAL
Base Number Matches1
SG1526/SG2526/SG3526
REGULATING PULSE WIDTH MODULATOR
DESCRIPTION
The SG1526 is a high performance monolithic pulse width modulator
circuit designed for fixed-frequency switching regulators and other
power control applications. Included in an 18-pin dual-in-line package
are a temperature compensated voltage reference, sawtooth oscillator,
error amplifier, pulse width modulator, pulse metering and steering logic,
and two low impedance power drivers. Also included are protective
features such as soft-start and undervoltage lockout, digital current
limiting, double pulse inhibit, a data latch for single pulse metering,
adjustable deadtime, and provision for symmetry correction inputs. For
ease of interface, all digital control ports are TTL and B-series CMOS
compatible. Active LOW logic design allows wired-OR connections for
maximum flexibility. This versatile device can be used to implement
single-ended or push-pull switching regulators of either polarity, both
transformerless and transformer coupled. The SG1526 is characterized
for operation over the full military ambient junction temperature range of
-55°C to +150°C. The SG2526 is characterized for operation from -25°C
to +150°C, and the SG3526 is characterized for operation from 0°C to
+125°C.
FEATURES
8 to 35 volt operation
5V reference trimmed to ±1%
1Hz to 350KHz oscillator range
Dual 100mA source/sink outputs
Digital current limiting
Double pulse suppression
Programmable deadtime
Undervoltage lockout
Single pulse metering
Programmable soft-start
Wide current limit common mode range
TTL/CMOS compatible logic ports
Symmetry correction capability
Guaranteed 6 unit synchronization
HIGH RELIABILITY FEATURES - SG1526
Available to MIL-STD-883B and DESC SMD
Radiation data available
LMI level "S"processing available
BLOCK DIAGRAM
V
REF
+V
IN
GROUND
R
D
R
T
C
T
Reference
Regulator
Undervoltage
Lockout
SYNC
+V
C
To Internal
Circuitry
Oscillator
OUTPUT A
RESET
C
SOFTSTART
COMPENSATION
+ ERROR
Soft
Start
+V
IN
S
Amp
D
Q
METERING
F/F
Q
S
T
R
Q
Q
Q
TOGGLE
F/F
OUTPUT B
MEMORY
F/F
— ERROR
+ C.S.
— C.S.
SHUTDOWN
4/90 Rev 1.1 2/94
Copyright
©
1994
1
11861 Western Avenue
Garden Grove, CA 92841
(714) 898-8121
FAX: (714) 893-2570
L
INFINITY
Microelectronics Inc.

SG2526N Related Products

SG2526N SG1526L/883B SG3526DW SG1526L SG3526N SG1526J SG1526J/883B SG2526DW SG2526J SG3526J
Description Switching Controller, Voltage-mode, 0.2A, 350kHz Switching Freq-Max, BIPolar, PDIP18, PLASTIC, DIP-18 Switching Controller, Voltage-mode, 0.2A, 350kHz Switching Freq-Max, BIPolar, CQCC20, CERAMIC, LCC-20 Switching Controller, Voltage-mode, 0.2A, 350kHz Switching Freq-Max, BIPolar, PDSO18, PLASTIC, SOIC-18 Switching Controller, Voltage-mode, 0.2A, 350kHz Switching Freq-Max, BIPolar, CQCC20, CERAMIC, LCC-20 Switching Controller, Voltage-mode, 0.2A, 350kHz Switching Freq-Max, BIPolar, PDIP18, PLASTIC, DIP-18 Switching Controller, Voltage-mode, 0.2A, 350kHz Switching Freq-Max, BIPolar, CDIP18, CERAMIC, DIP-18 Switching Controller, Voltage-mode, 0.2A, 350kHz Switching Freq-Max, BIPolar, CDIP18, CERAMIC, DIP-18 Switching Controller, Voltage-mode, 0.2A, 350kHz Switching Freq-Max, BIPolar, PDSO18, PLASTIC, SOIC-18 Switching Controller, Voltage-mode, 0.2A, 350kHz Switching Freq-Max, BIPolar, CDIP18, CERAMIC, DIP-18 Switching Controller, Voltage-mode, 0.2A, 350kHz Switching Freq-Max, BIPolar, CDIP18, CERAMIC, DIP-18
Is it Rohs certified? incompatible incompatible incompatible incompatible incompatible incompatible incompatible incompatible incompatible incompatible
package instruction PLASTIC, DIP-18 CERAMIC, LCC-20 PLASTIC, SOIC-18 CERAMIC, LCC-20 PLASTIC, DIP-18 CERAMIC, DIP-18 CERAMIC, DIP-18 PLASTIC, SOIC-18 CERAMIC, DIP-18 CERAMIC, DIP-18
Reach Compliance Code unknown unknown unknown unknown unknown unknown unknown unknown unknown unknown
Analog Integrated Circuits - Other Types SWITCHING CONTROLLER SWITCHING CONTROLLER SWITCHING CONTROLLER SWITCHING CONTROLLER SWITCHING CONTROLLER SWITCHING CONTROLLER SWITCHING CONTROLLER SWITCHING CONTROLLER SWITCHING CONTROLLER SWITCHING CONTROLLER
control mode VOLTAGE-MODE VOLTAGE-MODE VOLTAGE-MODE VOLTAGE-MODE VOLTAGE-MODE VOLTAGE-MODE VOLTAGE-MODE VOLTAGE-MODE VOLTAGE-MODE VOLTAGE-MODE
Control Technology PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION
Maximum input voltage 35 V 35 V 35 V 35 V 35 V 35 V 35 V 35 V 35 V 35 V
Minimum input voltage 8 V 8 V 8 V 8 V 8 V 8 V 8 V 8 V 8 V 8 V
Nominal input voltage 15 V 15 V 15 V 15 V 15 V 15 V 15 V 15 V 15 V 15 V
JESD-30 code R-PDIP-T18 S-CQCC-N20 R-PDSO-G18 S-CQCC-N20 R-PDIP-T18 R-CDIP-T18 R-CDIP-T18 R-PDSO-G18 R-CDIP-T18 R-CDIP-T18
JESD-609 code e0 e0 e0 e0 e0 e0 e0 e0 e0 e0
Number of functions 1 1 1 1 1 1 1 1 1 1
Number of terminals 18 20 18 20 18 18 18 18 18 18
Maximum operating temperature 85 °C 125 °C 70 °C 125 °C 70 °C 125 °C 125 °C 85 °C 85 °C 70 °C
Minimum operating temperature -25 °C -55 °C - -55 °C - -55 °C -55 °C -25 °C -25 °C -
Maximum output current 0.2 A 0.2 A 0.2 A 0.2 A 0.2 A 0.2 A 0.2 A 0.2 A 0.2 A 0.2 A
Package body material PLASTIC/EPOXY CERAMIC, METAL-SEALED COFIRED PLASTIC/EPOXY CERAMIC, METAL-SEALED COFIRED PLASTIC/EPOXY CERAMIC, METAL-SEALED COFIRED CERAMIC, METAL-SEALED COFIRED PLASTIC/EPOXY CERAMIC, METAL-SEALED COFIRED CERAMIC, METAL-SEALED COFIRED
encapsulated code DIP QCCN SOP QCCN DIP DIP DIP SOP DIP DIP
Encapsulate equivalent code DIP18,.3 LCC20,.35SQ SOP20,.4 LCC20,.35SQ DIP18,.3 DIP18,.3 DIP18,.3 SOP20,.4 DIP18,.3 DIP18,.3
Package shape RECTANGULAR SQUARE RECTANGULAR SQUARE RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form IN-LINE CHIP CARRIER SMALL OUTLINE CHIP CARRIER IN-LINE IN-LINE IN-LINE SMALL OUTLINE IN-LINE IN-LINE
Certification status Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
surface mount NO YES YES YES NO NO NO YES NO NO
Switch configuration PUSH-PULL PUSH-PULL PUSH-PULL PUSH-PULL PUSH-PULL PUSH-PULL PUSH-PULL PUSH-PULL PUSH-PULL PUSH-PULL
Maximum switching frequency 350 kHz 350 kHz 350 kHz 350 kHz 350 kHz 350 kHz 350 kHz 350 kHz 350 kHz 350 kHz
technology BIPOLAR BIPOLAR BIPOLAR BIPOLAR BIPOLAR BIPOLAR BIPOLAR BIPOLAR BIPOLAR BIPOLAR
Temperature level OTHER MILITARY COMMERCIAL MILITARY COMMERCIAL MILITARY MILITARY OTHER OTHER COMMERCIAL
Terminal surface Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb) Tin/Lead (Sn/Pb)
Terminal form THROUGH-HOLE NO LEAD GULL WING NO LEAD THROUGH-HOLE THROUGH-HOLE THROUGH-HOLE GULL WING THROUGH-HOLE THROUGH-HOLE
Terminal pitch 2.54 mm 1.27 mm 1.27 mm 1.27 mm 2.54 mm 2.54 mm 2.54 mm 1.27 mm 2.54 mm 2.54 mm
Terminal location DUAL QUAD DUAL QUAD DUAL DUAL DUAL DUAL DUAL DUAL
Maker Linfinity Microelectronics Linfinity Microelectronics - Linfinity Microelectronics Linfinity Microelectronics Linfinity Microelectronics Linfinity Microelectronics Linfinity Microelectronics Linfinity Microelectronics Linfinity Microelectronics
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