UCC3804

ACTIVE

12V, 1A low power BICMOS 1MHz current mode PWM with 12.5V/8.3V UVLO and 50% duty cycle, 0C to 70C

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Product details

Parameters

Topology Boost, Buck, Flyback, Forward Control method Current VCC (Min) (V) 12.5 VCC (Max) (V) 12 Duty cycle (Max) (%) 50 UVLO thresholds on/off (V) 12.5/8.3 Frequency (Max) (kHz) 1000 Operating temperature range (C) 0 to 70 Gate drive (Typ) (A) 1 Features Adjustable Switching Frequency, Current Limiting, Dead Time Control, Error Amplifier, Leading Edge Blanking, Multi-topology, Soft Start Rating Catalog open-in-new Find other PWM controllers & resonant controllers

Package | Pins | Size

PDIP (P) 8 93 mm² 9.81 x 9.43 SOIC (D) 8 19 mm² 3.91 x 4.9 TSSOP (PW) 8 19 mm² 3 x 6.4 open-in-new Find other PWM controllers & resonant controllers
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Technical documentation

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Type Title Date
* Datasheet UCCx800x Low-Power BiCMOS Current-Mode PWM datasheet (Rev. G) May 12, 2020
Application notes Understanding Inverting Buck-Boost Power Stages in Switch Mode Power Supplies (Rev. B) Mar. 12, 2019
User guides UCC3813 Dual Output Boost Converter Oct. 09, 2003
Application notes Dual Output Boost Converter Apr. 09, 2003
Application notes UCC38C42 Family of High-Speed BiCMOS Current-Mode PWM Controllers Feb. 07, 2002
More literature Seminar 300 Topic 8 - Switching Power Supply Design Review Feb. 15, 2001
More literature Seminar 400 Topic 2 - Design of Flyback Transformers and Filter Inductors Feb. 15, 2001
More literature Seminar 900 Topic 6 - High Power Factor Prereg Using SEPIC Feb. 15, 2001
Application notes Differences Between the UCC3813 and the UCC3800 PWM Families Jun. 02, 2000
Application notes Conditioning a Switch-mode Power Supply Current Signal Using TI Op Amps Mar. 23, 2000
Application notes DN-30 Programmable Electronic Circuit Breaker Sep. 05, 1999
Application notes DN-42A Design Considerations for Transitioning from UC3842 to the New UCC3802 Sep. 05, 1999
Application notes DN-43 Simple Techniques to Generate a Negative Voltage Bias Supply Sep. 05, 1999
Application notes DN-46 Highly Efficient Low Power DC to DC Inverter Converts +5V Input to -3V Out Sep. 05, 1999
Application notes DN-48 Versatile Low Power SEPIC Converter Accepts Wide Input Voltage Range Sep. 05, 1999
Application notes DN-54 Innovative Buck Regulator Uses High Side N-Channel Switch Without Complex Sep. 05, 1999
Application notes DN-56A, Single Switch Flyback Circuit Converts + 5 V to +/- 12 V for RS-232/422 Sep. 05, 1999
Application notes DN-65 Considerations in Powering BiCMOS ICs Sep. 05, 1999
Application notes U-111, Practical Considerations in Current Mode Power Supplies Sep. 05, 1999
Application notes U-133A UCC3800/1/2/3/4/5 BiCMOS Current Mode Control IC's Sep. 05, 1999

Design & development

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Design tools & simulation

SIMULATION MODELS Download
SLUM082B.ZIP (88 KB) - PSpice Model
SIMULATION MODELS Download
SLUM226.TSC (666 KB) - TINA-TI Reference Design
SIMULATION MODELS Download
SLUM227.TSC (667 KB) - TINA-TI Reference Design
SIMULATION MODELS Download
SLUM228.ZIP (28 KB) - TINA-TI Spice Model
SIMULATION MODELS Download
SLUM515.ZIP (6 KB) - PSpice Model

CAD/CAE symbols

Package Pins Download
PDIP (P) 8 View options
SOIC (D) 8 View options
TSSOP (PW) 8 View options

Ordering & quality

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