UC2525BDWG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The UC2525BDWG4 is a voltage-mode PWM controller IC from Texas Instruments capable of 400mA output drive current, with an input voltage range of 8V to 35V nominal 20V for use in industrial switching power supplies. Housed in a 16-pin SOIC surface-mount package, it provides full-featured push-pull PWM control for high-power DC-DC converter designs. Available from authorized distributors with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- OBSOLETE
- Datasheet
- UC2525BDWG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -25.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of UC2525BDWG4?
- 400mA output drive current supporting direct gate drive of large power MOSFETs without an external buffer
- Wide input voltage range from 8V to 35V enabling use across 12V, 24V, and 28V industrial supply rails
- Voltage-mode PWM control with internal oscillator for stable duty cycle regulation and simplified compensation
- 16-pin SOIC package providing ample I/O for soft-start, shutdown, sync, and error amplifier connections
What is UC2525BDWG4 used for?
The UC2525BDWG4 is used as the primary PWM controller in high-power DC-DC converters, push-pull inverters, and full-bridge power stages for industrial automation, telecommunications, and uninterruptible power supply systems. Its 400mA gate drive capability allows it to directly drive medium-power MOSFETs without a discrete buffer stage, reducing component count and board space. The wide 8V to 35V input range makes it suitable for battery-backed and wide-input industrial power conversion applications.
What are the specifications of UC2525BDWG4?
| YTEOL | 0 |
| 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-PDSO-G16 |
| JESD-609 Code | e4 |
| 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 | PLASTIC/EPOXY |
| Package Equivalence Code | SOP16,.4 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Screening Level | TS 16949 |
| Supply Current-Max (Isup) | 20mA |
| Surface Mount | YES |
| Switcher Configuration | PUSH-PULL |
| Switching Frequency-Max | 400kHz |
| Technology | BIPOLAR |
| Temperature Grade | OTHER |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 1.27mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 2 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.60 |
Where can I find the UC2525BDWG4 datasheet?
UC2525BDWG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for UC2525BDWG4?
Compatible alternatives and drop-in replacements for UC2525BDWG4:
Switching Controller, Voltage-mode, 0.5A, 500kHz Switching Freq-Max, BIPolar, PDSO16
Frequently Asked Questions
What is the output drive current of the UC2525BDWG4?
The UC2525BDWG4 can source and sink up to 400mA of gate drive current, which is sufficient to directly drive many power MOSFETs without an external buffer, enabling higher switching speeds and reduced gate drive circuit complexity in power supply designs.
What is the input voltage range of the UC2525BDWG4?
The UC2525BDWG4 operates from an input voltage of 8V minimum to 35V maximum, with a nominal operating voltage of 20V, providing compatibility with 12V, 24V, and 28V industrial supply rails used in factory automation, telecom, and battery backup systems.
What control mode does the UC2525BDWG4 use?
The UC2525BDWG4 employs voltage-mode PWM control with a programmable oscillator, providing predictable duty cycle regulation controlled by an external error amplifier, which simplifies design of the compensation network for stable closed-loop power supply operation.
What package does the UC2525BDWG4 use?
The UC2525BDWG4 is packaged in a 16-pin PDSO SOIC surface-mount package, offering sufficient pin count for connecting external soft-start capacitors, synchronization, shutdown, and error amplifier compensation components in a standard SMT footprint.
What types of converters can be built using the UC2525BDWG4?
The UC2525BDWG4 is well suited for push-pull, half-bridge, and full-bridge DC-DC converter topologies, as well as offline forward converters and UPS inverter stages where its 400mA drive capability, wide supply range, and voltage-mode control simplify high-power switching circuit design.
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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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