SG1526J-883B

Description：IC REG CTRLR BUCK/FLYBACK 18JDIP
Series：-
Mfr：Microchip Technology
Package：Tube

SKU:dfdaa61c8e8a Category: DC DC Switching Controllers Brand: Microchip Technology

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Product introduction

Product Detailed Parameters

Description：IC REG CTRLR BUCK/FLYBACK 18JDIP
Series：-
Mfr：Microchip Technology
Package：Tube
Output Type：Transistor Driver
Function：Step-Down, Step-Up/Step-Down
Output Configuration：Positive
Topology：Buck, Flyback
Number of Outputs：2
Output Phases：1
Voltage - Supply (Vcc/Vdd)：8V ~ 35V
Frequency - Switching：1Hz ~ 350kHz
Duty Cycle (Max)：49%
Synchronous Rectifier：Yes
Clock Sync：No
Serial Interfaces：-
Control Features：Enable, Reset, Soft Start
Operating Temperature：-55°C ~ 125°C (TA)
Mounting Type：Through Hole
Package / Case：18-DIP (0.300", 7.62mm)
Supplier Device Package：-
Grade：Military
Qualification：MIL-STD-883B

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SG1526J-883B

Overview

The SG1526J-883B is a high-reliability voltage mode PWM controller manufactured by Microchip Technology. It supports buck and flyback topologies with an output current of 100 mA. The device operates within a switching frequency range of 1 Hz to 500 kHz and features a maximum duty cycle of 49%. It provides two outputs and includes shutdown functionality. The component is housed in a CDIP-18 package designed for through-hole installation. It functions as an isolated switching regulator suitable for demanding environments.

Feature Summary

Voltage mode pulse width modulation control architecture
Supports buck and flyback converter topologies
Integrated shutdown capability for power management
High-reliability construction for specialized applications

Applications

Military aerospace power systems
Industrial isolation regulators
High-reliability DC-DC converters
Flyback power supply designs

Procurement Notes

Verify the specific datasheet version and manufacturer documentation to confirm electrical parameters and pinout compatibility before integration. Ensure that the CDIP-18 through-hole package aligns with the target PCB layout requirements. Cross-reference the official Microchip Technology specifications to validate performance characteristics against system design constraints.

Selection Notes

Select this component when a robust, isolated switching controller is required for critical infrastructure. The voltage mode control offers stable regulation for flyback and buck applications. Consider the 100 mA output drive capability and the wide operating temperature range when evaluating thermal and load requirements for the specific power stage design.

Part Context

This part belongs to the SG1526 series of monolithic pulse width modulators produced by Microchip Technology. It is classified under PMIC - Power Management ICs and specifically Switching Controllers. The device is designed for high-reliability applications requiring precise voltage regulation and robust performance in challenging operational conditions.