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Product Detailed Parameters
- Description：UC1825-SP HIGH SPEED PWM CONTROL
- Series：-
- Mfr：Texas Instruments
- Package：Bulk
- Output Type：Transistor Driver
- Function：Step-Up, Step-Up/Step-Down
- Output Configuration：Positive
- Topology：Buck
- Number of Outputs：2
- Output Phases：1
- Voltage - Supply (Vcc/Vdd)：10V ~ 30V
- Frequency - Switching：Up to 1MHz
- Duty Cycle (Max)：80%
- Synchronous Rectifier：No
- Clock Sync：No
- Serial Interfaces：-
- Control Features：Current Limit, Enable, Frequency Control, Ramp, Soft Start
- Operating Temperature：-55°C ~ 125°C (TA)
- Mounting Type：Through Hole
- Package / Case：16-CDIP (0.300", 7.62mm)
- Supplier Device Package：16-CDIP
- Grade：-
- Qualification：-
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Overview
The Texas Instruments 5962-8768101VEA is a radiation-tolerant, high-speed pulse-width modulation (PWM) controller designed for military and aerospace applications. It operates as a current-mode controller with a switching frequency of 1 MHz. The device supports a maximum input voltage of 30 V and provides dual outputs capable of sourcing up to 1.5 A each. It is housed in a 16-pin ceramic dual in-line package (CDIP) and functions within an extended temperature range from -55°C to +125°C.
Feature Summary
- Radiation tolerance certified under QMLV standards for harsh environment reliability
- High-speed current-mode PWM control architecture enabling efficient power conversion
- Dual independent output channels providing flexible drive capabilities
- Robust ceramic packaging ensuring mechanical stability in vibration-prone environments
Applications
- Military-grade DC-DC converter systems
- Spacecraft power distribution units
- Avionics power supply modules
- Radiation-hardened electronic subsystems
Procurement Notes
Verify the specific QMLV qualification level and lot traceability documentation upon order confirmation. Ensure that the procurement channel is authorized to handle defense-grade components. Confirm that the delivered units match the exact suffix designation to guarantee radiation tolerance specifications are met for your application requirements.
Selection Notes
Select this component when designing power systems requiring proven radiation hardness rather than standard commercial alternatives. Consider the 16-pin CDIP footprint for compatibility with existing military connector interfaces. Evaluate the 30 V input limit against your system's transient voltage conditions to ensure adequate headroom during operation.
Part Context
This part number belongs to the UC1825 series, specifically modified for space and defense use. It serves as a radiation-hardened version of standard PWM controllers, offering enhanced immunity to single-event effects and total ionizing dose degradation compared to commercial equivalents.
Replacement Considerations
Direct substitutes include other QMLV-certified PWM controllers from Texas Instruments or qualified equivalents from vendors like Analog Devices, provided they meet the same radiation tolerance and pinout requirements.
