UCC3813-5

Name: UCC3813-5
Brand: TI
SKU: UCC3813-5
Price: 0.691 USD

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Controlador PWM de 1 MHz con modo de corriente de baja potencia y bajo consumo BICMOS, UVLO de 4.1 V

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document-pdfAcrobat UCCx813-x Low-Power Economy BiCMOS Current-Mode PWM datasheet (Rev. F) (Inglés) PDF | HTML

UCC3813-5

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Detalles del producto

Vin (max) (V)

11

Operating temperature range (°C)

0 to 70

Control mode

Current

Topology

Boost, Flyback

Rating

Catalog

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)

11

Operating temperature range (°C)

0 to 70

Control mode

Current

Topology

Boost, Flyback

Rating

Catalog

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

TSSOP (PW)

8

19.2 mm² 3 x 6.4

100-µA typical starting supply current
500-µA typical operating supply current
Operation 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 the UCC3802 device, UC3842 device, and UC3842A device families

100-µA typical starting supply current
500-µA typical operating supply current
Operation 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 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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Documentación técnica

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=Principal documentación para este producto seleccionada por TI

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Ver todo 11

	Tipo	Título		Fecha
*	Data sheet	UCCx813-x Low-Power Economy BiCMOS Current-Mode PWM datasheet (Rev. F)	PDF \| HTML	12 may 2020
	Application note	Conditioning a Switch-mode Power Supply Current Signal Using TI Op Amps (Rev. A)	PDF \| HTML	11 jun 2021
	Application note	Understanding Inverting Buck-Boost Power Stages in Switch Mode Power Supplies (Rev. B)		12 mar 2019
	Selection guide	Power Management Guide 2018 (Rev. R)		25 jun 2018
	User guide	UCC3813 Dual Output Boost Converter		09 oct 2003
	Application note	UCC38C42 Family of High-Speed BiCMOS Current-Mode PWM Controllers		07 feb 2002
	Application note	Differences Between the UCC3813 and the UCC3800 PWM Families		02 jun 2000
	Application note	DN-42A Design Considerations for Transitioning from UC3842 to the New UCC3802		05 sep 1999
	Application note	DN-62 Switching Power Supply Topology Voltage Mode vs. Current Mode		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

Diseño y desarrollo

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