5962-8670405VPA Texas Instruments Integrated Circuit (Ceramic Dual-In-Line Packages) In Stock
The 5962-8670405VPA is a radiation-tolerant, space-grade current-mode PWM switching controller based on the UC1842A, operating from 11 V to 25 V supply. It provides pulse-width modulation with current-mode control for high-reliability DC-DC converter designs. Housed in a ceramic 8-pin DIP package and available with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Ceramic Dual-In-Line Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- 5962-8670405VPA Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Current-mode PWM control enabling cycle-by-cycle current limiting for inherently safe power supply designs
- Space-grade ceramic 8-pin DIP package meeting MIL-PRF-38535 requirements for satellite and defense applications
- Wide 11 V to 25 V input supply range with 15 V nominal operation for versatile power system integration
Applications
The 5962-8670405VPA is targeted at satellite power systems, military avionics, and space-grade DC-DC converters where radiation tolerance and long-term reliability over a 15-year mission life are critical. Its current-mode PWM architecture simplifies loop compensation and provides inherent over-current protection at switching frequencies up to 500 kHz. Defense electronic systems requiring MIL-SPEC ceramic packaging also rely on this device for stable operation across wide temperature extremes.
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 | 11V |
| Input Voltage-Nom | 15V |
| JESD-30 Code | R-GDIP-T8 |
| JESD-609 Code | e0 |
| Number of Functions | 1 |
| Output Current-Max | 1A |
| 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 |
| 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 5962-8670405VPA:
Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, CDIP8
Frequently Asked Questions
What supply voltage range does the 5962-8670405VPA require?
The 5962-8670405VPA operates from an input supply of 11 V minimum to 25 V maximum, with a nominal operating point of 15 V. This range is typical of regulated bus architectures used in military and space power systems, where a 28 V bus is stepped down to 15 V before feeding the controller.
How does current-mode control in the 5962-8670405VPA benefit power supply protection?
Current-mode control in the 5962-8670405VPA allows cycle-by-cycle peak current limiting, immediately terminating any PWM pulse when the inductor current exceeds the programmed threshold. This protects the switching transistor against fault currents within a single switching cycle, far faster than voltage-mode controllers that rely on slower feedback loops operating at tens of kilohertz.
For which mission-critical environments is the 5962-8670405VPA designed?
The 5962-8670405VPA carries a 5962 military part number and uses a ceramic 8-pin DIP package compliant with MIL-PRF-38535, making it qualified for satellite power conditioning, military aircraft DC-DC converters, and ground-based radar systems. Its 15-year YTEOL rating ensures reliable operation over long mission profiles at temperatures from -55°C to +125°C.
Can the 5962-8670405VPA be used in a flyback converter topology?
Yes, the 5962-8670405VPA's current-mode PWM architecture is well-suited for flyback, forward, and boost converter topologies operating at switching frequencies up to approximately 500 kHz. A single external timing resistor and capacitor set the oscillator frequency, while the current sense pin accommodates up to 1 V sense voltage for over-current threshold programming.
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