Startseite Energiemanagement AC/DC- und DC/DC-Controller (externer FET)

UCC2805-Q1

AKTIV

7,4-V- bis 12-V-BiCMOS-Strommodus-PWM-Controller für die Automobil-Elektronik, 1 A

Produktdetails

Vin (max) (V) 12 Operating temperature range (°C) -40 to 125 Control mode Current Topology Boost, Buck, Buck boost, Flyback, Forward Rating Automotive Features Adjustable switching frequency, Current limiting, Dead time control, Error amplifier, Fixed frequency, Leading edge blanking, Multi-topology, Soft start Duty cycle (max) (%) 50
Vin (max) (V) 12 Operating temperature range (°C) -40 to 125 Control mode Current Topology Boost, Buck, Buck boost, Flyback, Forward Rating Automotive Features Adjustable switching frequency, Current limiting, Dead time control, Error amplifier, Fixed frequency, Leading edge blanking, Multi-topology, Soft start Duty cycle (max) (%) 50
SOIC (D) 8 29.4 mm² 4.9 x 6
  • Qualified for automotive applications
  • AEC-Q100 qualified with the following results:
    • Device temperature grade 1: –40°C to 125°C TA
    • Device HBM classification level 2: ±2 kV
    • Device CDM classification level C5: >1000 V
  • 100-µA typical starting supply current
  • 500-µA typical operating supply current
  • Operation up to 1 MHz
  • Internal soft start
  • Internal fault soft start
  • Internal leading-edge blanking of the current sense signal
  • 1-A totem-pole output
  • 70-ns typical response from current-sense to gate drive output
  • 1.5% tolerance voltage reference
  • Same pinout as UC3842 and UC3842A
  • Qualified for automotive applications
  • AEC-Q100 qualified with the following results:
    • Device temperature grade 1: –40°C to 125°C TA
    • Device HBM classification level 2: ±2 kV
    • Device CDM classification level C5: >1000 V
  • 100-µA typical starting supply current
  • 500-µA typical operating supply current
  • Operation up to 1 MHz
  • Internal soft start
  • Internal fault soft start
  • Internal leading-edge blanking of the current sense signal
  • 1-A totem-pole output
  • 70-ns typical response from current-sense to gate drive output
  • 1.5% tolerance voltage reference
  • Same pinout as UC3842 and UC3842A

The UCC280x-Q1 family of high-speed, low-power integrated circuits contain all of the control and drive components required for off-line and DC-to-DC fixed frequency current-mode switching mode power supplies with minimal parts count.

These devices have the same pin configuration as the UCx84x family, and also offer the added features of internal full-cycle soft start and internal leading-edge blanking of the current-sense input.

The UCC280x-Q1 family offers a variety of package options, temperature range options, choice of maximum duty cycle, and choice of critical voltage levels. Lower reference parts such as the UCC2803-Q1 and UCC2805-Q1 fit best into battery-operated systems, while the higher reference and higher UVLO hysteresis of the UCC2802-Q1 and UCC2804-Q1 make these ideal choices for use in off-line power supplies.

The UCC280x-Q1 series is specified for operation from –40°C to 125°C.

The UCC280x-Q1 family of high-speed, low-power integrated circuits contain all of the control and drive components required for off-line and DC-to-DC fixed frequency current-mode switching mode power supplies with minimal parts count.

These devices have the same pin configuration as the UCx84x family, and also offer the added features of internal full-cycle soft start and internal leading-edge blanking of the current-sense input.

The UCC280x-Q1 family offers a variety of package options, temperature range options, choice of maximum duty cycle, and choice of critical voltage levels. Lower reference parts such as the UCC2803-Q1 and UCC2805-Q1 fit best into battery-operated systems, while the higher reference and higher UVLO hysteresis of the UCC2802-Q1 and UCC2804-Q1 make these ideal choices for use in off-line power supplies.

The UCC280x-Q1 series is specified for operation from –40°C to 125°C.

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Technische Dokumentation

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Typ Titel Datum
* Data sheet UCC280x-Q1 Low-Power BiCMOS Current-Mode PWM Controllers datasheet (Rev. D) PDF | HTML 31 Mai 2018
Application note DN-65 Considerations in Powering BiCMOS ICs 05 Sep 1999
Application note U-111, Practical Considerations in Current Mode Power Supplies 05 Sep 1999
Application note U-133A UCC3800/1/2/3/4/5 BiCMOS Current Mode Control IC's 05 Sep 1999

Design und Entwicklung

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Simulationsmodell

UCCX805 & UCCX813-5 TINA-TI Startup Reference Design

SLUM231.TSC (667 KB) - TINA-TI Reference Design
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UCCX805 & UCCX813-5 TINA-TI Steady State Reference Design

SLUM230.TSC (668 KB) - TINA-TI Reference Design
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UCCX805 & UCCX813-5 TINA-TI Transient Spice Model

SLUM229.ZIP (28 KB) - TINA-TI Spice Model
Simulationsmodell

UCCx805 & UCCx813-5 Unencrypted PSpice Transient Model

SLUM516.ZIP (6 KB) - PSpice Model
Simulationsmodell

UCCx805, UCCx813-5 Families PSpice Transient Model (Rev. B)

SLUM081B.ZIP (88 KB) - PSpice Model
Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
SOIC (D) 8 Ultra Librarian

Bestellen & Qualität

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