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SG3525AJ Datasheet (PDF) - Microsemi Corporation

SG3525AJ Datasheet PDF - Microsemi Corporation
Part # SG3525AJ
Download  SG3525AJ Download

File Size   135.8 Kbytes
Page   7 Pages
Manufacturer  MICROSEMI [Microsemi Corporation]
Direct Link  http://www.microsemi.com
Logo MICROSEMI - Microsemi Corporation
Description REGULATING PULSE WIDTH MODULATOR

SG3525AJ Datasheet (PDF)

Go To PDF Page Download Datasheet
SG3525AJ Datasheet PDF - Microsemi Corporation

Part # SG3525AJ
Download  SG3525AJ Click to download

File Size   135.8 Kbytes
Page   7 Pages
Manufacturer  MICROSEMI [Microsemi Corporation]
Direct Link  http://www.microsemi.com
Logo MICROSEMI - Microsemi Corporation
Description REGULATING PULSE WIDTH MODULATOR

SG3525AJ Datasheet (HTML) - Microsemi Corporation

SG3525AJ Datasheet HTML 1Page - Microsemi Corporation SG3525AJ Datasheet HTML 2Page - Microsemi Corporation SG3525AJ Datasheet HTML 3Page - Microsemi Corporation SG3525AJ Datasheet HTML 4Page - Microsemi Corporation SG3525AJ Datasheet HTML 5Page - Microsemi Corporation SG3525AJ Datasheet HTML 6Page - Microsemi Corporation SG3525AJ Datasheet HTML 7Page - Microsemi Corporation

SG3525AJ Product details

Description
The SG1525A/1527A series of pulse width modulator integrated circuits are designed to offer improved performance and lower external parts count when used to implement all types of switching power supplies. The on-chip +5.1 V reference is trimmed to ±1% initial accuracy and the input common-mode range of the error amplifier includes the reference voltage, eliminating external potentiometers and divider resistors. A Sync input to the oscillator allows multiple units to be slaved together, or a single unit to be synchronized to an external system clock. A single resistor between the CT pin and the Discharge pin provides a wide range of deadtime adjustment. These devices also feature built-in soft-start circuitry with only a timing capacitor required externally. A Shutdown pin controls both the soft-start circuitry and the output stages, providing instantaneous turn-off with soft-start recycle for slow turn-on. These functions are also controlled by an undervoltage lockout which keeps the outputs off and the soft-start capacitor discharged for input voltages less than that required for normal operation. Another unique feature of these PWM circuits is a latch following the comparator. Once a PWM pulse has been terminated for any reason, the outputs remain off for the duration of the period. The latch is reset with each clock pulse. The output stages are totempole designs capable of sourcing or sinking in excess of 200mA.
The SG1525A output stage features NOR logic, giving a LOW output for an OFF state. The SG1527A utilizes OR logic, which results in a HIGH output level when OFF.

Features
■ 8V to 35V Operation
■ 5.1V Reference Trimmed to 1%
■ 100Hz to 500kHz Oscillator Range
■ Separate Oscillator Sync Terminal
■ Adjustable Deadtime Control
■ Internal Soft-start
■ Input Undervoltage Lockout
■ Latching P.W.M. to Prevent Multiple Pulses
■ Dual Source/Sink Output Drivers

High Reliability Features
Following are the high reliability features of SG1525A and SG1527A:
■ Available to MIL-STD-883, ¶ 1.2.1
■ MIL-M38510/12602BEA - JAN1525AJ
■ MIL-M38510/12604BEA - JAN1527AJ
■ MSC-AMS level “S” Processing Available




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About Microsemi Corporation


Microsemi Corporation was an American company that specialized in the design and manufacture of semiconductor and system solutions.
The company was founded in 1960 and was headquartered in Aliso Viejo, California.
Microsemi provided a wide range of products including analog and mixed-signal integrated circuits, field-programmable gate arrays (FPGAs), power management and control products, and other semiconductor solutions.
The company's products were used in various applications such as defense and security, aerospace and aviation, industrial, and communications.
Microsemi was known for its expertise in semiconductor technology and its ability to deliver high-quality and reliable products to its customers.
In 2018, Microsemi was acquired by Microchip Technology, a leading provider of microcontroller, mixed-signal, analog, and security products.
The Microsemi brand is no longer in use, but its technology and products continue to be a part of Microchip's portfolio.

*This information is for general informational purposes only, we will not be liable for any loss or damage caused by the above information.




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