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SG2526DW

Description
Switching Controller, Voltage-mode, 0.2A, 350kHz Switching Freq-Max, BIPolar, PDSO18
CategoryPower/power management    The power supply circuit   
File Size2MB,12 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
Environmental Compliance
Download Datasheet Download user manual Parametric Compare View All

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SG2526DW Overview

Switching Controller, Voltage-mode, 0.2A, 350kHz Switching Freq-Max, BIPolar, PDSO18

SG2526DW Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerMicrochip
package instructionSOP, SOP18,.4
Reach Compliance Codecompli
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-PDSO-G18
JESD-609 codee3
length11.55 mm
Humidity sensitivity level1
Number of functions1
Number of terminals18
Maximum operating temperature70 °C
Minimum operating temperature
Maximum output current0.2 A
Maximum output voltage5.05 V
Minimum output voltage4.95 V
Nominal output voltage5 V
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Encapsulate equivalent codeSOP18,.4
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)260
Certification statusNot Qualified
Maximum seat height2.65 mm
surface mountYES
Switch configurationPUSH-PULL
Maximum switching frequency350 kHz
technologyBIPOLAR
Temperature levelCOMMERCIAL
Terminal surfaceMatte Tin (Sn)
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperature40
width7.5 mm
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
8V to 35V 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
Available
to
MIL-STD-883, ¶ 1.2.1
Available to DSCC - Standard Microcircuit
Drawing (SMD)
Radiation data available
MSC-AMS
level "S" processing available
BLOCK DIAGRAM
V
REF
+V
IN
GROUND
R
D
R
T
C
T
Reference
Regulator
To Internal
Circuitry
Oscillator
Undervoltage
Lockout
SYNC
+V
C
OUTPUT A
RESET
C
SOFTSTART
COMPENSATION
+ ERROR
— ERROR
Soft
Start
+V
IN
S
Amp
D
Q
Q
S
R
Q
T
Q
Q
MEMORY
F/F
TOGGLE
F/F
OUTPUT B
+ C.S.
— C.S.
METERING
F/F
SHUTDOWN
December
2014 Rev1.2
www.microsemi.com
© 2014 Microsemi Corporation
1

SG2526DW Related Products

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Description Switching Controller, Voltage-mode, 0.2A, 350kHz Switching Freq-Max, BIPolar, PDSO18 Switching Controller, Voltage-mode, 0.2A, 350kHz Switching Freq-Max, BIPolar, PDIP18 Switching Controller, Voltage-mode, 0.2A, 350kHz Switching Freq-Max, BIPolar, CDIP18 Switching Controller, Voltage-mode, 0.2A, 350kHz Switching Freq-Max, BIPolar, PDSO18
Is it Rohs certified? conform to conform to incompatible conform to
Maker Microchip Microchip Microchip Microchip
package instruction SOP, SOP18,.4 DIP, DIP18,.3 DIP, DIP18,.3 SOP, SOP18,.4
Reach Compliance Code compli compli compli compli
Analog Integrated Circuits - Other Types SWITCHING CONTROLLER SWITCHING CONTROLLER SWITCHING CONTROLLER SWITCHING CONTROLLER
control mode VOLTAGE-MODE VOLTAGE-MODE VOLTAGE-MODE VOLTAGE-MODE
Control Technology PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION
Maximum input voltage 35 V 35 V 35 V 35 V
Minimum input voltage 8 V 8 V 8 V 8 V
Nominal input voltage 15 V 15 V 15 V 15 V
JESD-30 code R-PDSO-G18 R-PDIP-T18 R-GDIP-T18 R-PDSO-G18
JESD-609 code e3 e3 e0 e3
length 11.55 mm 22.84 mm 24.38 mm 11.55 mm
Number of functions 1 1 1 1
Number of terminals 18 18 18 18
Maximum operating temperature 70 °C 70 °C 125 °C 70 °C
Maximum output current 0.2 A 0.2 A 0.2 A 0.2 A
Maximum output voltage 5.05 V 5.1 V 5.05 V 5.1 V
Minimum output voltage 4.95 V 4.9 V 4.95 V 4.9 V
Nominal output voltage 5 V 5 V 5 V 5 V
Package body material PLASTIC/EPOXY PLASTIC/EPOXY CERAMIC, GLASS-SEALED PLASTIC/EPOXY
encapsulated code SOP DIP DIP SOP
Encapsulate equivalent code SOP18,.4 DIP18,.3 DIP18,.3 SOP18,.4
Package shape RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE IN-LINE IN-LINE SMALL OUTLINE
Peak Reflow Temperature (Celsius) 260 NOT SPECIFIED NOT SPECIFIED 260
Certification status Not Qualified Not Qualified Not Qualified Not Qualified
Maximum seat height 2.65 mm 5.08 mm 5.08 mm 2.65 mm
surface mount YES NO NO YES
Switch configuration PUSH-PULL PUSH-PULL PUSH-PULL PUSH-PULL
Maximum switching frequency 350 kHz 350 kHz 350 kHz 350 kHz
technology BIPOLAR BIPOLAR BIPOLAR BIPOLAR
Temperature level COMMERCIAL COMMERCIAL MILITARY COMMERCIAL
Terminal surface Matte Tin (Sn) Matte Tin (Sn) Tin/Lead (Sn/Pb) Matte Tin (Sn)
Terminal form GULL WING THROUGH-HOLE THROUGH-HOLE GULL WING
Terminal pitch 1.27 mm 2.54 mm 2.54 mm 1.27 mm
Terminal location DUAL DUAL DUAL DUAL
Maximum time at peak reflow temperature 40 NOT SPECIFIED NOT SPECIFIED 40
width 7.5 mm 7.62 mm 7.62 mm 7.5 mm
Humidity sensitivity level 1 1 - 1
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