UC1527AJ883B Texas Instruments Integrated Circuit (Ceramic Dual-In-Line Packages) In Stock
The Texas Instruments UC1527AJ883B is a voltage-mode PWM controller with 400 mA gate drive capability, accepting 8 V to 35 V input in a 16-pin ceramic DIP package. It uses pulse-width modulation for regulated switching power supply control in harsh environments. Suited for military, aerospace, and high-reliability industrial DC-DC converter designs.
- Manufacturer
- Texas Instruments
- Package
- Ceramic Dual-In-Line Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- UC1527AJ883B 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
What are the key features of UC1527AJ883B?
- Voltage-mode PWM control for precise duty-cycle regulation
- 400 mA output drive for switching large external FETs
- Wide 8 V to 35 V input voltage range
- 16-pin ceramic DIP package for high-reliability assembly
- Qualified per MIL-STD-883 for military/aerospace environments
- JESD-609 e0 classification for lead-based high-temperature solder
What is UC1527AJ883B used for?
The UC1527AJ883B is the go-to voltage-mode PWM controller for military and aerospace DC-DC converters where MIL-STD-883 qualification and ceramic packaging are mandatory. Its 400 mA gate driver handles moderate-power MOSFET switches directly, simplifying single-stage isolated forward and flyback designs operating from 8 V to 35 V bus rails. Industrial high-reliability applications such as avionics power modules, radar subsystems, and satellite payload regulators also rely on this device.
What are the specifications of UC1527AJ883B?
| Pbfree Code | Yes |
| YTEOL | 15 |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Control Mode | VOLTAGE-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 35V |
| Input Voltage-Min | 8V |
| Input Voltage-Nom | 20V |
| JESD-30 Code | R-GDIP-T16 |
| JESD-609 Code | e0 |
| Number of Functions | 1 |
| Output Current-Max | 0.5A |
| Output Voltage-Max | 5.15V |
| Output Voltage-Min | 5.05V |
| Output Voltage-Nom | 5.1V |
| Package Body Material | CERAMIC, GLASS-SEALED |
| Package Equivalence Code | DIP16,.3 |
| Package Shape | RECTANGULAR |
| Package Style | IN-LINE |
| Qualification Status | Not Qualified |
| Screening Level | MIL-STD-883 Class B |
| Supply Current-Max (Isup) | 20mA |
| Supply Voltage-Max (Vsup) | 8V |
| Surface Mount | NO |
| Switcher Configuration | PUSH-PULL |
| Switching Frequency-Max | 1000kHz |
| 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 |
Where can I find the UC1527AJ883B datasheet?
UC1527AJ883B Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for UC1527AJ883B?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
Why is the ceramic DIP package of the UC1527AJ883B preferred over plastic packages for aerospace converters?
The 16-pin ceramic DIP (CDIP) package withstands operating temperatures beyond the -55 °C to 125 °C range and is hermetically sealed, preventing moisture ingress that would degrade solder joints or delaminate a plastic body in vacuum or high-humidity environments. MIL-STD-883 qualification further validates the package's mechanical and thermal performance under vibration and thermal cycling typical of aerospace enclosures.
What output drive current does the UC1527AJ883B provide, and which MOSFET gate charge budgets does it support?
The UC1527AJ883B sources and sinks up to 400 mA of peak gate drive current, which is sufficient to switch MOSFETs with up to roughly 80 nC gate charge at 500 kHz switching frequency without an external buffer. For larger FETs exceeding 80 nC, a totem-pole driver stage should be added to maintain fast transitions and limit switching losses.
How wide is the UC1527AJ883B input voltage range, and what power supply architectures does it enable?
The controller accepts an input supply from 8 V to 35 V, covering standard 12 V, 15 V, 24 V, and 28 V nominal bus rails used in military and industrial power systems. This range enables both non-isolated buck converters and isolated forward/flyback topologies where the primary-side control bias is derived directly from the input bus, eliminating the need for a separate low-voltage bias supply.
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About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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