UCC2813-4

Name: UCC2813-4
Brand: TI
SKU: UCC2813-4
Price: 0.691 USD

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具有 12.5V/8.3V UVLO、50% 占空比、温度范围为 –40°C 至 85°C 的经济型低功耗 BICMOS 1MHz 电流模式 PWM

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数据表

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

UCC2813-4

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数据表

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Vin (max) (V)

11

Operating temperature range (°C)

-40 to 85

Control mode

Current

Topology

Boost, Flyback, Forward

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)

-40 to 85

Control mode

Current

Topology

Boost, Flyback, Forward

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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