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UCC3813-2

AKTIV

Economy BICMOS 1MHz Strommodus-PWM mit 12,5V/8,3V UVLO, 100 % Tastverhältnis, 0C bis 70C

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Datenblatt

UCC3813-2

AKTIV
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Produktdetails

Topology Boost, Flyback Control mode Current Features Adjustable switching frequency, Current limiting, Dead time control, Error amplifier, Fixed frequency, Leading edge blanking, Multi-topology, Soft start Duty cycle (max) (%) 100
Topology Boost, Flyback Control mode Current Features Adjustable switching frequency, Current limiting, Dead time control, Error amplifier, Fixed frequency, Leading edge blanking, Multi-topology, Soft start Duty cycle (max) (%) 100
TSSOP (PW) 8 19.2 mm² (3 mm × 6.4 mm) SOIC (D) 8 29.4 mm² (4.9 mm × 6 mm)
  • 100µA typical starting supply current
  • 500µA typical operating supply current
  • Operation to 1MHz
  • Internal soft start
  • Internal fault soft start
  • Internal leading-edge blanking of the current-sense signal
  • 1A totem-pole output
  • 70ns typical response from current-sense to gate-drive output
  • 1.5% tolerance voltage reference
  • Same pinout as the UCC3802 device, UC3842 device, and UC3842A device families
  • 100µA typical starting supply current
  • 500µA typical operating supply current
  • Operation to 1MHz
  • Internal soft start
  • Internal fault soft start
  • Internal leading-edge blanking of the current-sense signal
  • 1A totem-pole output
  • 70ns typical response from current-sense to gate-drive output
  • 1.5% tolerance voltage reference
  • Same pinout as the UCC3802 device, UC3842 device, and UC3842A device families

The UCC3813-x device family of high-speed, low-power integrated circuits contains all of the control and drive components required for off-line and DC-to-DC fixed-frequency current-mode switching power supplies with minimal parts count.

These devices have the same pin configuration as the UC384x device family, and also offer the added features of internal full-cycle soft start and internal leading-edge blanking of the current-sense input.

The UCC3813-x device family offers a variety of package options, temperature-range options, choice of maximum duty cycle, and choice of critical voltage levels. Devices with lower reference voltage such as the UCC3813-3 and UCC3813-5 fit best into battery operated systems, while the higher reference and the higher UVLO hysteresis of the UCC3813-2 device and UCC3813-4 device make these ideal choices for use in off-line power supplies.

The UCC2813-x device series is specified for operation from –40°C to 85°C and the UCC3813-x device series is specified for operation from 0°C to 70°C.

The UCC3813-x device family of high-speed, low-power integrated circuits contains all of the control and drive components required for off-line and DC-to-DC fixed-frequency current-mode switching power supplies with minimal parts count.

These devices have the same pin configuration as the UC384x device family, and also offer the added features of internal full-cycle soft start and internal leading-edge blanking of the current-sense input.

The UCC3813-x device family offers a variety of package options, temperature-range options, choice of maximum duty cycle, and choice of critical voltage levels. Devices with lower reference voltage such as the UCC3813-3 and UCC3813-5 fit best into battery operated systems, while the higher reference and the higher UVLO hysteresis of the UCC3813-2 device and UCC3813-4 device make these ideal choices for use in off-line power supplies.

The UCC2813-x device series is specified for operation from –40°C to 85°C and the UCC3813-x device series is specified for operation from 0°C to 70°C.
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UCC2813-2 AKTIV Sparsamer, energieeffizienter BICMOS-1-MHz-Strommodus-PWM mit 12,5 V/8,3 V UVLO, 100 % Tastverhältni Wider temperature range

Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Neueste englische Version herunterladen Datum
* Datenblatt UCCx813-x Low-Power Economy BiCMOS Current-Mode PWM datasheet (Rev. G) PDF | HTML 25.04.2025
Anwendungshinweis Conditioning a Switch-mode Power Supply Current Signal Using TI Op Amps (Rev. A) PDF | HTML 11.06.2021
Anwendungshinweis Understanding Inverting Buck-Boost Power Stages in Switch Mode Power Supplies (Rev. B) 12.03.2019
Auswahlhilfe Power Management Guide 2018 (Rev. R) 25.06.2018
Benutzerhandbuch UCC3813 Dual Output Boost Converter 09.10.2003
Anwendungshinweis UCC38C42 Family of High-Speed BiCMOS Current-Mode PWM Controllers 07.02.2002
Anwendungshinweis Differences Between the UCC3813 and the UCC3800 PWM Families 02.06.2000
Anwendungshinweis U-133A UCC3800/1/2/3/4/5 BiCMOS Current Mode Control IC's 05.09.1999
Anwendungshinweis DN-62 Switching Power Supply Topology Voltage Mode vs. Current Mode 05.09.1999
Anwendungshinweis DN-42A Design Considerations for Transitioning from UC3842 to the New UCC3802 05.09.1999
Anwendungshinweis U-111, Practical Considerations in Current Mode Power Supplies 05.09.1999

Design und Entwicklung

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UCCX802 & UCCX813-2 TINA-TI Startup Reference Design

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UCCX802 & UCCX813-2 TINA-TI Steady State Reference Design

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UCCX802 & UCCX813-2 TINA-TI Transient Spice Model

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UCCx802 & UCCx813-2 Unencrypted PSpice Transient Model

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UCCx813-2, UCCx802 Families PSpice Transient Model (Rev. B)

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TSSOP (PW) 8 Ultra Librarian
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