UCC1800

활성

저전력 BiCMOS 전류 모드 PWM

지금 주문

데이터 시트

document-pdfAcrobat UCC280x Low-Power BiCMOS Current-Mode PWM Controllers datasheet (Rev. G) (영어) PDF | HTML

UCC1800

활성

데이터 시트

지금 주문

제품 상세 정보

Operating temperature range (°C)

-55 to 125

Control mode

Current

Topology

Boost, Flyback, Forward

Rating

Military

Features

Error amplifier, Fixed frequency, Leading edge blanking, Soft start

Duty cycle (max) (%)

100

Operating temperature range (°C)

-55 to 125

Control mode

Current

Topology

Boost, Flyback, Forward

Rating

Military

Features

Error amplifier, Fixed frequency, Leading edge blanking, Soft start

Duty cycle (max) (%)

100

CDIP (JG)

64.032 mm² 9.6 x 6.67

LCCC (FK)

79.0321 mm² 8.89 x 8.89

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

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 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.

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