UCC3805D Texas Instruments power-management (SOIC-8) In Stock
UCC3805D is a BiCMOS current mode PWM controller by Texas Instruments, featuring 1A gate drive, up to 1MHz switching frequency, and soft-start. Priced from $1.70, available in SOIC-8, ships globally, 1-piece MOQ.
- Manufacturer
- Texas Instruments
- Package
- SOIC-8
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- UCC3805D Datasheet PDF
- Category
- power-management
- Price
- From $1.6968(MOQ 1)
- Temp Range
- -40.0°C to 85.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Applications
UCC3805D is widely used in flyback, forward, and boost DC-DC converters in telecom power supplies, industrial equipment, and embedded systems. Its high-frequency capability enables compact transformer design, making it ideal for space-constrained power modules and battery chargers.
Specifications
| Supply Voltage | 10VV |
| Switching Frequency | 1MHz maxMHz |
| Gate Drive Current | 1A peakA |
| Operating Temperature | -40 to 85C |
| Control Topology | Current Mode PWM |
| Package | SOIC-8 |
Compliance & Regulatory
| RoHS Status | Compliant |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for UCC3805D:
Frequently Asked Questions
What is the UCC3805D used for?
The UCC3805D is a current mode PWM controller used in DC-DC converters such as flyback, forward, and boost topologies. It is commonly found in telecom power supplies, industrial power modules, and embedded system regulators requiring high switching frequencies up to 1MHz.
What package is the UCC3805D available in?
The UCC3805D comes in an SOIC-8 (small outline IC, 8-pin) package. This surface-mount package is compact and suitable for high-density PCB designs in power management applications.
What is the operating temperature range of the UCC3805D?
The UCC3805D operates over an industrial temperature range of -40 to +85C, making it suitable for harsh environments including industrial automation, outdoor equipment, and automotive-adjacent applications.
What are good alternatives for the UCC3805D?
Compatible alternatives include UCC3803D (lower quiescent current variant), UC3842 (classic current mode controller), and UCC2805D (low-voltage 2.7V startup version of the same device).
Is the UCC3805D RoHS compliant?
Yes, the UCC3805D is RoHS compliant and lead-free, meeting EU environmental regulations for restriction of hazardous substances in electronic equipment.
Related Guides
TPS61291DRVR Selection Guide: Low-Quiescent-Current Boost Converters for IoT and Wearables
How to select the TPS61291DRVR and low-Iq boost converters for IoT, wearables, and coin-cell designs. Compares specs, packages, and alternatives from TI, ADI, and Microchip.
May 13, 2026
TMS5704357BZWTQQ1 Selection Guide: Choosing the Right TMS570 Automotive MCU Variant
Compare TMS570 automotive MCU variants by ASIL level, flash, package, and peripherals. Find the right fit from entry-level LQFP to the ASIL-D TMS5704357BZWTQQ1.
May 13, 2026
TI Hercules TMS5704357BZWTQQ1 Design Guide for Automotive ASIL-D and Industrial Functional Safety
Complete integration guide for the TI Hercules TMS5704357BZWTQQ1 dual-core lockstep Cortex-R5F MCU: lockstep CPU, ECC RAM, FlexRay/CAN-FD, and ASIL-D pitfalls.
May 12, 2026
PTN78000WAH Selection Guide: Choosing the Right 1.5 A 36 V Step-Down Power Module
Compare PTN78000WAH against PTN78000WAS, PTN78060WAH, and other 1.5A 36V step-down modules. Covers package, current rating, efficiency, and drop-in replaceability.
May 12, 2026
Why Buy from FindMyChip
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.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $3.8080 | $3.81 |
| 2+ | $2.8560 | $5.71 |
| 5+ | $2.1600 | $10.80 |
| 25+ | $2.0000 | $50.00 |
| 75+ | $1.8100 | $135.75 |
| 525+ | $1.6968 | $890.82 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“FindMyChip sourced our entire STM32 BOM in 48 hours when our usual distributor had 16-week lead times.”