UCC3804PWG4 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The UCC3804PWG4 is a current-mode PWM controller from Texas Instruments operating from a 9V to 12V supply and capable of sourcing 1A gate drive current for high-frequency power conversion designs. It uses pulse-width modulation with current-mode control for fast transient response and cycle-by-cycle current limiting in an 8-pin TSSOP package. Available from stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- OBSOLETE
- Datasheet
- UCC3804PWG4 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- ?°C to 70.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Current-mode PWM control with cycle-by-cycle current limiting for precise, fast-response power regulation
- 1A peak gate drive output current enabling efficient driving of large power MOSFETs in compact SMPS designs
- 8-pin TSSOP (JESD-30 R-PDSO-G8) surface-mount package with 9V–12V input range for flexible topology support
Applications
The UCC3804PWG4 is used in switch-mode power supplies including flyback, forward, and boost converter topologies where current-mode control is preferred for tight regulation and inherent overcurrent protection. It suits telecom power modules, industrial DC-DC converters, and off-line power supplies requiring reliable, high-frequency switching. The 1A gate drive capability allows direct MOSFET switching without an external gate driver in many applications.
Specifications
| Pbfree Code | Yes |
| YTEOL | 0 |
| Analog IC - Other Type | SWITCHING CONTROLLER |
| Control Mode | CURRENT-MODE |
| Control Technique | PULSE WIDTH MODULATION |
| Input Voltage-Max | 12V |
| Input Voltage-Min | 9V |
| Input Voltage-Nom | 10V |
| JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e4 |
| Number of Functions | 1 |
| Output Current-Max | 1A |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP8,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max (Isup) | 1mA |
| Surface Mount | YES |
| Switcher Configuration | SINGLE |
| Switching Frequency-Max | 1000kHz |
| Technology | BICMOS |
| Temperature Grade | COMMERCIAL |
| Terminal Finish | NICKEL PALLADIUM GOLD |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| 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 UCC3804PWG4:
Switching Controller, Current-mode, 1A, 1000kHz Switching Freq-Max, BICMOS, PDSO8
Switching Controller, Current-mode, 1A, 1000kHz Switching Freq-Max, BICMOS, PDSO8
Frequently Asked Questions
What control method does the UCC3804PWG4 use?
The UCC3804PWG4 uses current-mode PWM (pulse-width modulation) control. This technique senses the inductor or switch current each switching cycle, enabling cycle-by-cycle current limiting, improved line rejection, and faster load transient response compared to voltage-mode control.
What is the input voltage range for the UCC3804PWG4?
The UCC3804PWG4 operates from a supply voltage of 9V minimum to 12V maximum, with a nominal operating voltage of 10V. This range is typical for use alongside an auxiliary winding supply in off-line power supply designs or from regulated 12V bus in DC-DC converters.
What package does the UCC3804PWG4 come in?
The UCC3804PWG4 is housed in an 8-pin TSSOP surface-mount package (JESD-30 code R-PDSO-G8). The compact TSSOP footprint is suitable for high-density power supply PCB layouts where space is at a premium.
Is the UCC3804PWG4 RoHS compliant?
Yes, the UCC3804PWG4 is RoHS compliant as indicated by the Pb-free code (JESD-609 code e4) and the G4 suffix in the part number, which denotes lead-free, green packaging meeting current environmental regulations for global distribution.
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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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