UCC1801J

更新时间： 2024-01-31 11:10:13

品牌	Logo	应用领域
德州仪器 - TI		稳压器开关式稳压器或控制器电源电路开关式控制器信息通信管理
页数	文件大小	规格书
20页	380K
描述
Low-Power BiCMOS Current-Mode PWM

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技术参数
数据手册

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UCC1801J 技术参数

生命周期：	Obsolete	零件包装代码：	QLCC
包装说明：	QCCN, LCC20,.35SQ	针数：	20
Reach Compliance Code：	unknown	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.75
Is Samacsys：	N	模拟集成电路 - 其他类型：	SWITCHING CONTROLLER
控制模式：	CURRENT-MODE	控制技术：	PULSE WIDTH MODULATION
最大输入电压：	12 V	最小输入电压：	8.2 V
标称输入电压：	10 V	JESD-30 代码：	S-CQCC-N20
长度：	8.89 mm	功能数量：	1
端子数量：	20	最高工作温度：	125 °C
最低工作温度：	-55 °C	最大输出电流：	1 A
封装主体材料：	CERAMIC, METAL-SEALED COFIRED	封装代码：	QCCN
封装等效代码：	LCC20,.35SQ	封装形状：	SQUARE
封装形式：	CHIP CARRIER	认证状态：	Not Qualified
座面最大高度：	2.03 mm	子类别：	Switching Regulator or Controllers
表面贴装：	YES	切换器配置：	SINGLE
最大切换频率：	1000 kHz	技术：	BICMOS
温度等级：	MILITARY	端子形式：	NO LEAD
端子节距：	1.27 mm	端子位置：	QUAD
宽度：	8.89 mm	Base Number Matches：	1

UCC1801J 数据手册

application

INFO

UCC1800/1/2/3/4/5

UCC2800/1/2/3/4/5

UCC3800/1/2/3/4/5

available

Low-Power BiCMOS Current-Mode PWM

FEATURES

DESCRIPTION

• 100^µA Typical Starting Supply Current

The UCC1800/1/2/3/4/5 family of high-speed, low-power integrated cir-

cuits contain 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.

• 500^µA Typical Operating Supply

Current

• Operation to 1MHz

• Internal Soft Start

These devices have the same pin configuration as the UC1842/3/4/5

family, and also offer the added features of internal full-cycle soft start

and internal leading-edge blanking of the current-sense input.

• Internal Fault Soft Start

The UCC1800/1/2/3/4/5 family offers a variety of package options, tem-

perature range options, choice of maximum duty cycle, and choice of

critical voltage levels. Lower reference parts such as the UCC1803 and

UCC1805 fit best into battery operated systems, while the higher refer-

ence and the higher UVLO hysteresis of the UCC1802 and UCC1804

make these ideal choices for use in off-line power supplies.

The UCC180x series is specified for operation from –55^oC to +125^oC,

the UCC280x series is specified for operation from –40^oC to +85^oC, and

the UCC380x series is specified for operation from 0^oC to +70^oC.

• Internal Leading-Edge Blanking of the

Current Sense Signal

• 1 Amp Totem-Pole Output

• 70ns Typical Response from

Current-Sense to Gate Drive Output

• 1.5% Tolerance Voltage Reference

• Same Pinout as UC3842 and

UC3842A

Part Number

UCCx800

UCCx801

UCCx802

UCCx803

UCCx804

UCCx805

Maximum Duty Cycle

Reference Voltage

Turn-On Threshold

Turn-Off Threshold

100%

50%

100%

50%

7.2V

9.4V

12.5V

4.1V

12.5V

4.1V

6.9V

7.4V

8.3V

3.6V

8.3V

3.6V

50%

BLOCK DIAGRAM

UDG92009-3

SLUS270C - MARCH 1999 - REVISED JANUARY 2005

12 3 4 5 6 7...20

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