UCC3807-1

Name: UCC3807-1
Brand: TI
SKU: UCC3807-1
Price: 1.734 USD

활성

7.2V/6.9V UVLO, Prog 듀티 사이클, 0C~70C를 지원하는 경제적인 저전력 BiCMOS 1MHz 전류 모드 PWM

지금 주문

데이터 시트

document-pdfAcrobat Programmable Maximum Duty Cycle PWM Controller datasheet (Rev. B) (영어)

UCC3807-1

활성

데이터 시트

지금 주문

제품 상세 정보

Vin (max) (V)

13.5

Operating temperature range (°C)

0 to 70

Control mode

Current

Topology

Boost, Flyback

Rating

Catalog

Features

Error amplifier, Leading edge blanking, Multi-topology, Soft start

Duty cycle (max) (%)

78

Vin (max) (V)

13.5

Operating temperature range (°C)

0 to 70

Control mode

Current

Topology

Boost, Flyback

Rating

Catalog

Features

Error amplifier, Leading edge blanking, Multi-topology, Soft start

Duty cycle (max) (%)

78

SOIC (D)

8

29.4 mm² 4.9 x 6

User Programmable Maximum PWM Duty Cycle
100-A Startup Current
Operation to 1 MHz
Internal Full Cycle Soft Start
Internal Leading Edge Blanking of Current Sense Signal
1-A Totem Pole Output

User Programmable Maximum PWM Duty Cycle
100-A Startup Current
Operation to 1 MHz
Internal Full Cycle Soft Start
Internal Leading Edge Blanking of Current Sense Signal
1-A Totem Pole Output

The UCC3807 family of high speed, low power integrated circuits contains all of the control and drive circuitry required for off-line and dc-to-dc fixed frequency current mode switching power supplies with minimal external parts count.

These devices are similar to the UCC3800 family, but with the added feature of a user programmable maximum duty cycle. Oscillator frequency and maximum duty cycle are programmed with two resistors and a capacitor. The UCC3807 family also features internal full cycle soft start and internal leading edge blanking of the current sense input.

The UCC3807 family offers a variety of package options, temperature range options, and choice of critical voltage levels. The family has UVLO thresholds and hysteresis levels for off-line and battery powered systems. Thresholds are shown in the table below.

The UCC3807 family of high speed, low power integrated circuits contains all of the control and drive circuitry required for off-line and dc-to-dc fixed frequency current mode switching power supplies with minimal external parts count.

These devices are similar to the UCC3800 family, but with the added feature of a user programmable maximum duty cycle. Oscillator frequency and maximum duty cycle are programmed with two resistors and a capacitor. The UCC3807 family also features internal full cycle soft start and internal leading edge blanking of the current sense input.

The UCC3807 family offers a variety of package options, temperature range options, and choice of critical voltage levels. The family has UVLO thresholds and hysteresis levels for off-line and battery powered systems. Thresholds are shown in the table below.

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