UCC2803

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具有 4.1V/3.6V UVLO 和 100% 占空比、工作温度范围为 -40°C 至 125°C 的 12V、1A 低功耗 BICMOS 1MHz 电流模式 PWM

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数据表

document-pdfAcrobat UCC280x Low-Power BiCMOS Current-Mode PWM Controllers 数据表 (Rev. G) (英语) PDF | HTML

UCC2803

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数据表

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Vin (max) (V)

12

Operating temperature range (°C)

-40 to 125

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) (%)

100

Vin (max) (V)

12

Operating temperature range (°C)

-40 to 125

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) (%)

100

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 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.

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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UCC2803-Q1

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具有 4.1V/3.6V UVLO 和 100% 占空比的汽车类 12V VCC 单端 1MHz 电流模式 PWM 控制器 Automotive version

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	类型	标题		下载最新的英语版本		日期
*	数据表	UCC280x Low-Power BiCMOS Current-Mode PWM Controllers 数据表 (Rev. G)	PDF \| HTML			2020年 5月 12日
	应用手册	使用 TI 运算放大器调节开关模式电源电流信号 (Rev. A)	PDF \| HTML	英语版 (Rev.A)	PDF \| HTML	2021年 7月 16日
	应用手册	Understanding Inverting Buck-Boost Power Stages in Switch Mode Power Supplies (Rev. B)				2019年 3月 12日
	选择指南	电源管理指南 2018 (Rev. R)				2018年 6月 25日
	应用手册	UCC38C42 系列高速 BiCMOS 电流模式 PWM 控制器				2002年 2月 7日
	应用手册	Differences Between the UCC3813 and the UCC3800 PWM Families				2000年 6月 2日
	应用手册	DN-30 Programmable Electronic Circuit Breaker				1999年 9月 5日
	应用手册	DN-42A Design Considerations for Transitioning from UC3842 to the New UCC3802				1999年 9月 5日
	应用手册	DN-43 Simple Techniques to Generate a Negative Voltage Bias Supply				1999年 9月 5日
	应用手册	DN-46 Highly Efficient Low Power DC to DC Inverter Converts +5V Input to -3V Out				1999年 9月 5日
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	应用手册	DN-54 Innovative Buck Regulator Uses High Side N-Channel Switch Without Complex				1999年 9月 5日
	应用手册	DN-56A, Single Switch Flyback Circuit Converts + 5 V to +/- 12 V for RS-232/422				1999年 9月 5日
	应用手册	DN-65 Considerations in Powering BiCMOS ICs				1999年 9月 5日
	应用手册	U-111, Practical Considerations in Current Mode Power Supplies				1999年 9月 5日
	应用手册	U-133A UCC3800/1/2/3/4/5 BiCMOS Current Mode Control IC's				1999年 9月 5日