Datasheet > UC2577TDK-ADJG3

UC2577TDK-ADJG3

更新时间： 2024-11-06 20:11:03

品牌	Logo	应用领域
德州仪器 - TI		开关
页数	文件大小	规格书
11页	314K
描述
6A SWITCHING REGULATOR, 62kHz SWITCHING FREQ-MAX, PSSO5, GREEN, PLASTIC, TO-263, 5 PIN

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技术参数
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UC2577TDK-ADJG3 技术参数

生命周期：	Obsolete	零件包装代码：	D2PAK
包装说明：	TO-263,	针数：	4
Reach Compliance Code：	unknown	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.82
模拟集成电路 - 其他类型：	SWITCHING REGULATOR	控制模式：	CURRENT-MODE
最大输入电压：	40 V	最小输入电压：	3 V
标称输入电压：	5 V	JESD-30 代码：	R-PSSO-G5
长度：	10.16 mm	功能数量：	1
端子数量：	5	最高工作温度：	125 °C
最低工作温度：	-40 °C	最大输出电流：	6 A
封装主体材料：	PLASTIC/EPOXY	封装代码：	TO-263
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE
认证状态：	Not Qualified	座面最大高度：	4.83 mm
表面贴装：	YES	切换器配置：	BOOST
最大切换频率：	62 kHz	温度等级：	AUTOMOTIVE
端子形式：	GULL WING	端子节距：	1.7 mm
端子位置：	SINGLE	宽度：	8.925 mm
Base Number Matches：	1

UC2577TDK-ADJG3 数据手册

UC2577-ADJ

Simple Step-Up Voltage Regulator

FEATURES

DESCRIPTION

•

Requires Few External Components

The UC2577-ADJ device provides all the active functions neces-

sary to implement step-up (boost), flyback, and forward converter

switching regulators. Requiring only a few components, these sim-

ple regulators efficiently provide up to 60V as a step-up regulator,

and even higher voltages as a flyback or forward converter regula-

tor.

NPN Output Switches 3.0A, 65V(max)

Extended Input Voltage Range: 3.0V to 40V

Current Mode Operation for Improved

Transient Response, Line Regulation, and

Current Limiting

The UC2577-ADJ features a wide input voltage range of 3.0V to

40V and an adjustable output voltage. An on-chip 3.0A NPN switch

is included with undervoltage lockout, thermal protection circuitry,

and current limiting, as well as soft start mode operation to reduce

current during startup. Other features include a 52kHz fixed fre-

quency on-chip oscillator with no external components and current

mode control for better line and load regulation.

•

Soft Start Function Provides Controlled

Startup

•

52kHz Internal Oscillator

Output Switch Protected by Current Limit,

Undervoltage Lockout and Thermal

Shutdown

A standard series of inductors and capacitors are available from

several manufacturers optimized for use with these regulators and

are listed in this data sheet.

•

Improved Replacement for LM2577-ADJ

Series

TYPICAL APPLICATIONS

CONNECTION DIAGRAM

5-Pin TO-220 (Top View)

•

Simple Boost and Flyback Converters

•

SEPIC Topology Permits Input Voltage to

be Higher or Lower than Output Voltage

•

Transformer Coupled Forward Regulators

Multiple Output Designs

Also available in TO-263 Package.

BLOCK DIAGRAM

UDG-94034

3/97

12 3 4 5 6 7...11

中文翻译

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与UC2577TDK-ADJG3相关器件

型号	品牌	获取价格	描述	数据表
UC2577TDTR-ADJ	TI	获取价格	6A SWITCHING REGULATOR, 52kHz SWITCHING FREQ-MAX, PSSO5
UC2577TDTR-ADJG3	TI	获取价格	6A SWITCHING REGULATOR, 62kHz SWITCHING FREQ-MAX, PSSO5, GREEN, PLASTIC, TO-263, DDPAK, 5
UC2577TKC-ADJ	TI	获取价格	6A SWITCHING REGULATOR, 62kHz SWITCHING FREQ-MAX, PSFM5, PLASTIC, TO-220, 5 PIN
UC2578	TI	获取价格	Buck Pulse Width Modulator Stepdown Voltage Regulator
UC2578_16	TI	获取价格	Buck Pulse Width Modulator Stepdown Voltage Regulator
UC2578DP	TI	获取价格	Buck Pulse Width Modulator Stepdown Voltage Regulator
UC2578DPG4	TI	获取价格	0.8A SWITCHING CONTROLLER, 120kHz SWITCHING FREQ-MAX, PDSO16, GREEN, SOIC-16
UC2578DPTR	TI	获取价格	暂无描述
UC2578DPTRG4	TI	获取价格	0.8A SWITCHING CONTROLLER, 120kHz SWITCHING FREQ-MAX, PDSO16, SOIC-16
UC2578N	TI	获取价格	Buck Pulse Width Modulator Stepdown Voltage Regulator

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