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SG1524J-883B
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Product Detailed Parameters
- Description：IC REG CTRLR MULT TOP 16JDIP
- Series：-
- Mfr：Microchip Technology
- Package：Tube
- Output Type：Transistor Driver
- Function：Step-Down, Step-Up/Step-Down
- Output Configuration：Positive
- Topology：Buck, Flyback, Push-Pull
- Number of Outputs：2
- Output Phases：1
- Voltage - Supply (Vcc/Vdd)：8V ~ 40V
- Frequency - Switching：100kHz ~ 300kHz
- Duty Cycle (Max)：49%
- Synchronous Rectifier：Yes
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Enable
- Operating Temperature：-55°C ~ 125°C (TA)
- Mounting Type：Through Hole
- Package / Case：16-CDIP (0.300", 7.62mm)
- Supplier Device Package：16-CERDIP
- Grade：Military
- Qualification：MIL-STD-883
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Overview
The SG1524J-883B is a high-reliability, isolated switching regulator controller manufactured by Microchip Technology. It operates as a voltage mode PWM controller with a dual output configuration supporting push-pull and flyback topologies. The device accepts a supply voltage range of 8 V to 40 V and functions within a switching frequency band of 100 kHz to 300 kHz. It provides a maximum duty cycle of 49% and includes enable control features. Designed for robust performance, it supports an operating temperature range from -55°C to +125°C and utilizes a 16-CDIP package.
Feature Summary
- Monolithic regulating pulse width modulator designed for high-reliability applications
- Supports multiple power supply topologies including flyback and push-pull configurations
- Integrated enable control functionality for precise operational management
Applications
- High-reliability isolated switching regulators
- Military and aerospace power supply systems
- Industrial DC-DC converter designs requiring strict environmental tolerance
Procurement Notes
Verify component authenticity through authorized Microchip distributors or certified suppliers. Confirm that the specific suffix denotes military-grade screening standards. Request full traceability documentation and lot history to ensure compliance with reliability requirements. Validate package integrity upon receipt to prevent damage during handling.
Selection Notes
Select this component when designing isolated power converters requiring wide input voltage ranges and extended temperature operation. Ensure the application demands a voltage-mode control strategy with dual outputs. Verify that the required switching frequency falls within the specified 100 kHz to 300 kHz range. Confirm compatibility with the 16-CDIP footprint for through-hole mounting.
Part Context
This part belongs to the SG1524 series of switching controllers, which are widely recognized for their stability in power management circuits. The 883B suffix indicates compliance with MIL-STD-883 testing standards, distinguishing it from commercial variants. It serves as a critical control element in regulated power supplies where long-term reliability is paramount.
Replacement Considerations
Direct substitutes must match the SG1524 architecture and 883B qualification level. Verify pinout compatibility and electrical specifications before integration. Cross-reference with other manufacturers' military-grade equivalents if availability is constrained.
