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TL1451A-EP PDF预览

TL1451A-EP

更新时间： 2024-02-24 08:35:54
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
25页 673K
描述
DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS

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TL1451A-EP 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：SOIC
包装说明：SOP-16针数：16
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：5.63Is Samacsys：N
模拟集成电路 - 其他类型：DUAL SWITCHING CONTROLLER控制模式：VOLTAGE-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：50 V
最小输入电压：3.6 V标称输入电压：6 V
JESD-30 代码：R-PDSO-G16JESD-609代码：e4
长度：10.2 mm湿度敏感等级：1
功能数量：1端子数量：16
最高工作温度：85 °C最低工作温度：-20 °C
最大输出电流：0.021 A最小输出电压：1 V
标称输出电压：2.5 V封装主体材料：PLASTIC/EPOXY
封装代码：SOP封装等效代码：SOP16,.3
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：260认证状态：Not Qualified
座面最大高度：2 mm子类别：Switching Regulator or Controllers
最大供电电流 (Isup)：2.4 mA标称供电电压 (Vsup)：6 V
表面贴装：YES切换器配置：PHASE-SHIFT
最大切换频率：500 kHz技术：BIPOLAR
温度等级：OTHER端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：GULL WING端子节距：1.27 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：5.3 mmBase Number Matches：1

TL1451A-EP 数据手册

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TL1451A-EP  
DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS  
www.ti.com  
SLVS614–DECEMBER 2005  
FEATURES  
•
Controlled Baseline  
•
•
Variable Dead Time Provides Control Over  
Total Range  
– One Assembly/Test Site, One Fabrication  
Site  
Internal Regulator Provides a Stable 2.5-V  
Reference Supply  
•
Enhanced Diminishing Manufacturing  
Sources (DMS) Support  
D PACKAGE  
(TOP VIEW)  
•
•
•
Enhanced Product-Change Notification  
(1)  
Qualification Pedigree  
Complete Pulse-Width Modulation (PWM)  
Power-Control Circuitry  
REF  
SCP  
2IN+ Error  
2IN− Amplifier 2  
2FEEDBACK  
2DTC  
CT  
RT  
1IN+  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
Error  
•
•
•
•
•
Completely Synchronized Operation  
Internal Undervoltage Lockout Protection  
Wide Supply-Voltage Range  
Amplifier 1 1IN−  
1FEEDBACK  
1DTC  
Internal Short-Circuit Protection  
Oscillator Frequency . . . 500 kHz Max  
2OUT  
1OUT  
GND  
V
CC  
(1) Component qualification in accordance with JEDEC and  
industry standards to ensure reliable operation over an  
extended temperature range. This includes, but is not limited  
to, Highly Accelerated Stress Test (HAST) or biased 85/85,  
temperature cycle, autoclave or unbiased HAST,  
electromigration, bond intermetallic life, and mold compound  
life. Such qualification testing should not be viewed as  
justifying use of this component beyond specified  
performance and environmental limits.  
DESCRIPTION/ORDERING INFORMATION  
The TL1451A-EP incorporates on a single monolithic chip all the functions required in the construction of two  
pulse-width modulation (PWM) control circuits. Designed primarily for power-supply control, the TL1451A-EP  
contains an on-chip 2.5-V regulator, two error amplifiers, an adjustable oscillator, two dead-time comparators,  
undervoltage lockout circuitry, and dual common-emitter output transistor circuits.  
The uncommitted output transistors provide common-emitter output capability for each controller. The internal  
amplifiers exhibit a common-mode voltage range from 1.04 V to 1.45 V. The dead-time control (DTC) comparator  
has no offset unless externally altered and can provide 0% to 100% dead time. The on-chip oscillator can be  
operated by terminating RT and CT. During low VCC conditions, the undervoltage lockout control circuit feature  
locks the outputs off until the internal circuitry is operational.  
The TL1451A-EP is characterized for operation from –55°C to 125°C.  
ORDERING INFORMATION  
TA  
PACKAGE(1)  
ORDERABLE PART NUMBER  
TOP-SIDE MARKING  
–55°C to 125°C  
SOIC – D  
Tape and reel  
TL1451AMDREP  
TL1451EPG4  
(1) Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at  
www.ti.com/sc/package.  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas  
Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 2005, Texas Instruments Incorporated  
Products conform to specifications per the terms of the Texas  
On products compliant to MIL-PRF-38535, all parameters are  
Instruments standard warranty. Production processing does not  
tested unless otherwise noted. On all other products, production  
necessarily include testing of all parameters.  
processing does not necessarily include testing of all parameters.  
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TL1451A-EP 替代型号

型号 品牌 替代类型 描述 数据表
TL1451A TI

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