5962-8670408VPA Texas Instruments Integrated Circuit (Ceramic Dual-In-Line Packages) In Stock
The 5962-8670408VPA is a space-grade current-mode PWM controller operating at up to 30 V and 500 kHz, with 8.4 V/7.6 V UVLO thresholds and 50% maximum duty cycle, housed in a ceramic 8-pin DIP package for high-reliability applications. It is available from specialized distributors serving defense and space programs.
- Manufacturer
- Texas Instruments
- Package
- Ceramic Dual-In-Line Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- 5962-8670408VPA Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $386.3300(MOQ 1)
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Space-grade qualification with ceramic DIP-8 package for high-reliability aerospace and military power supply designs
- Current-mode PWM control at up to 500 kHz with 50% duty cycle limit for push-pull topology compatibility
- Integrated 8.4 V/7.6 V undervoltage lockout (UVLO) protecting converter operation below the valid input supply window of 12 V to 25 V
Applications
The 5962-8670408VPA is designed for space-grade DC-DC power supply designs in satellite subsystems, launch vehicle avionics, and radiation-tolerant electronics where ceramic packaging and military screening are mandatory. Its current-mode PWM architecture enables stable operation at 500 kHz switching frequency in push-pull converters powering spacecraft housekeeping buses. The UVLO thresholds at 8.4 V and 7.6 V ensure the controller only operates when the 15 V nominal input supply is within its valid operating window, preventing false starts and ensuring power system reliability.
Specifications
| Pbfree Code | Yes |
| YTEOL | 15 |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 25V |
| Input Voltage-Min | 12V |
| Input Voltage-Nom | 15V |
| JESD-30 Code | R-GDIP-T8 |
| JESD-609 Code | e0 |
| Number of Functions | 1 |
| Output Current-Max | 1A |
| Output Voltage-Max | 5.06V |
| Output Voltage-Min | 4.95V |
| Output Voltage-Nom | 5V |
| Package Body Material | CERAMIC, GLASS-SEALED |
| Package Equivalence Code | DIP8,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Qualification Status | Qualified |
| Screening Level | MIL-PRF-38535 Class V |
| Supply Current-Max (Isup) | 25mA |
| Supply Voltage-Max (Vsup) | 25V |
| Supply Voltage-Min (Vsup) | 12V |
| Surface Mount | NO |
| Switcher Configuration | BUCK-BOOST |
| Switching Frequency-Max | 500kHz |
| Technology | BIPOLAR |
| Temperature Grade | MILITARY |
| Terminal Finish | Tin/Lead (Sn/Pb) |
| Terminal Form | THROUGH-HOLE |
| Terminal Pitch | 2.54mm |
| Terminal Position | DUAL |
| Total Dose | 30k Rad(Si) V |
| Package | Ceramic Dual-In-Line Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | USA |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for 5962-8670408VPA:
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, CDIP8
Power and Hybrid / Semelab Limited Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, CDIP8
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, CDIP8
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, CDIP8
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, CDIP8
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, CDIP8
Frequently Asked Questions
What makes the 5962-8670408VPA suitable for space applications compared to commercial PWM controllers?
The 5962-8670408VPA carries a MIL-PRF-38535 screening designation (5962 prefix) and is housed in a ceramic 8-pin DIP package, providing radiation and moisture resistance required for satellite and space-vehicle applications. Commercial plastic-packaged PWM controllers lack the environmental screening and traceability demanded by space-grade procurement standards.
What is the operating frequency and input voltage range of the 5962-8670408VPA?
The 5962-8670408VPA operates at a switching frequency up to 500 kHz with an input supply voltage range of 12 V minimum to 25 V maximum, with 15 V nominal. The high switching frequency allows the use of smaller magnetic components in the power stage, reducing the weight and volume of power converters in mass-constrained spacecraft designs.
How does the 50% duty-cycle clamp in 5962-8670408VPA affect converter topology selection?
The built-in 50% duty cycle maximum makes the 5962-8670408VPA ideal for push-pull and half-bridge converter topologies, which require the duty cycle of each switch to stay below 50% to avoid transformer core saturation. Flyback or boost converters operating above 50% duty cycle are not compatible without external duty-cycle override circuitry.
What UVLO thresholds does the 5962-8670408VPA use and why are they important for power system sequencing?
The 5962-8670408VPA has an 8.4 V start threshold and a 7.6 V stop threshold for its undervoltage lockout, creating a 0.8 V hysteresis window. This hysteresis prevents chattering at the UVLO boundary during power-up and ensures the controller enables the power switch only when the 12 V to 25 V input rail is reliably established, which is critical for orderly power sequencing in spacecraft bus architectures.
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $413.9250 | $413.93 |
| 3+ | $386.3300 | $1158.99 |
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