UC2848DWG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The UC2848DWG4 is a current-mode PWM switching controller from Texas Instruments with up to 1000 kHz switching frequency and 2 A gate drive capability. It operates from an 11 V to 20 V input supply and is housed in a 16-pin SOIC package for compact power supply designs. Available with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- OBSOLETE
- Datasheet
- UC2848DWG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Current-mode PWM control with up to 1000 kHz switching frequency enabling compact magnetics and fast transient response in power converters
- 2 A gate drive output capability directly driving power MOSFETs without external gate driver buffers in medium-power applications
- Wide input voltage range of 11 V to 20 V (nominal 12 V) suitable for 12 V bus-powered industrial and telecom power supply designs
- 16-pin SOIC package with complete PWM controller feature set simplifying PCB layout for switching regulator designs
Applications
The UC2848DWG4 is used as the primary controller in DC-DC switching power supplies, including flyback, forward, and boost converter topologies requiring current-mode control for inherent cycle-by-cycle overcurrent protection and improved transient response. It is well-suited for industrial power supplies, telecommunications equipment, and distributed power architecture applications operating from 12 V input rails. Its high switching frequency up to 1 MHz allows designers to reduce the size of inductors and capacitors in the power stage, making it ideal for space-constrained power modules.
Specifications
| Pbfree Code | Yes |
| YTEOL | 0 |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 20V |
| Input Voltage-Min | 11V |
| Input Voltage-Nom | 12V |
| JESD-30 Code | R-PDSO-G16 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Output Current-Max | 2.2A |
| 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 |
| Supply Current-Max (Isup) | 26mA |
| Surface Mount | YES |
| Switcher Configuration | SINGLE |
| Switching Frequency-Max | 1000kHz |
| Technology | BIPOLAR |
| Temperature Grade | INDUSTRIAL |
| 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 |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for UC2848DWG4:
Switching Controller, Current-mode, 2.2A, 1000kHz Switching Freq-Max, BIPolar, PDSO16
Frequently Asked Questions
What control mode does the UC2848DWG4 use and what are its advantages?
The UC2848DWG4 uses current-mode PWM control, which provides inherent cycle-by-cycle overcurrent limiting, simplified loop compensation compared to voltage-mode control, and automatic input voltage feedforward, resulting in improved line transient response in switching power supply designs.
What is the maximum switching frequency of the UC2848DWG4?
The UC2848DWG4 supports switching frequencies up to 1000 kHz (1 MHz), allowing designers to use smaller magnetic components and output capacitors, resulting in more compact and cost-effective power supply designs compared to lower-frequency controllers.
What input voltage range does the UC2848DWG4 operate from?
The UC2848DWG4 operates from an input supply voltage ranging from 11 V minimum to 20 V maximum with a nominal 12 V design point, making it directly compatible with standard 12 V power distribution systems used in industrial, networking, and telecommunications equipment.
What package does the UC2848DWG4 use and how many pins does it have?
The UC2848DWG4 is housed in a 16-pin SOIC package (JESD-30 code R-PDSO-G16), providing a surface-mount form factor that balances PCB space efficiency with sufficient pin count for the full complement of PWM controller features including gate drive, feedback, and oscillator connections.
What power converter topologies can the UC2848DWG4 control?
The UC2848DWG4 is suitable for controlling flyback, forward, push-pull, half-bridge, and boost converter topologies. Its 2 A gate drive output enables direct MOSFET driving in single-switch and multi-switch converter designs, supporting a wide range of isolated and non-isolated power supply architectures.
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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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