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SG1524BJ-883B
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Product Detailed Parameters
- Description：VOLTAGE MODE PWMS, HIGH-RELIABIL
- Series：-
- Mfr：Microchip Technology
- Package：Tray
- Output Type：Transistor Driver
- Function：-
- Output Configuration：Positive
- Topology：-
- Number of Outputs：2
- Output Phases：1
- Voltage - Supply (Vcc/Vdd)：7V ~ 40V
- Frequency - Switching：50Hz ~ 600kHz
- Duty Cycle (Max)：49%
- Synchronous Rectifier：No
- Clock Sync：Yes
- Serial Interfaces：-
- Control Features：Enable, Frequency Control
- 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-883B
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Overview
The SG1524BJ-883B is a high-reliability voltage mode PWM controller manufactured by Microchip Technology. It operates within a supply voltage range of 7 V to 40 V and delivers up to 100 mA output current. The device features a typical switching frequency of 600 kHz and a maximum duty cycle of 49%. Designed for military applications, it supports through-hole mounting in a 16-pin ceramic dual inline package (CDIP). The component ensures radiation resistance and functions across an extended temperature range from -55°C to 125°C.
Feature Summary
- Radiation-resistant design suitable for harsh environments
- High-reliability construction for military specifications
- Voltage mode pulse width modulation control
Applications
- Military power supply systems
- Aerospace DC-DC converters
- High-reliability isolated switching regulators
Procurement Notes
Verify the specific ordering suffix to ensure compliance with required military screening levels and radiation hardness assurance standards. Confirm that the ceramic dual inline package matches the thermal and mechanical constraints of the target assembly. Cross-reference the manufacturer's latest datasheet to validate pinout compatibility and electrical characteristics against system requirements before integration.
Selection Notes
Select this component when radiation tolerance and long-term reliability are critical for aerospace or defense projects. The voltage mode control architecture provides stable regulation for applications requiring precise duty cycle management. Ensure the 16-pin CDIP footprint aligns with existing board layouts and that the operating temperature range covers the environmental extremes expected during mission profiles.
Part Context
This part belongs to the SG1524 family of regulating pulse width modulators, which are widely used in industrial and military power electronics. The SG1524BJ variant specifically denotes the ceramic package version designed for enhanced durability. The -883B suffix indicates adherence to MIL-PRF-38534 standards, ensuring strict quality control and traceability for defense-grade applications.
Replacement Considerations
Direct substitutes include other radiation-hardened versions within the SG1524 family, such as the SG1524J series, provided they meet the same military screening requirements. Verify pin compatibility and thermal performance when transitioning between plastic and ceramic packages.
