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TL1451ACDG4 PDF预览

TL1451ACDG4

更新时间： 2024-01-28 17:21:10
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光电二极管
页数 文件大小 规格书
37页 1287K
描述
SUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS

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中文翻译

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TL1451ACDG4 技术参数

是否Rohs认证：符合生命周期：Obsolete
零件包装代码：SOIC包装说明：SOIC-16
针数：16Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.18Is 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：9.9 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,.25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：1.75 mm
子类别：Switching Regulator or Controllers表面贴装：YES
切换器配置：PHASE-SHIFT最大切换频率：500 kHz
技术：CMOS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：3.9 mm
Base Number Matches：1

TL1451ACDG4 数据手册

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SLVS024E – FEBRUARY 1983 – REVISED NOVEMBER 1999  
D, DB, N, NS, PW, OR J PACKAGE  
(TOP VIEW)  
D
D
D
D
D
D
D
D
D
Complete PWM Power Control Circuitry  
Completely Synchronized Operation  
Internal Undervoltage Lockout Protection  
Wide Supply Voltage Range  
REF  
SCP  
2IN+  
2IN–  
2FEEDBACK  
2DTC  
CT  
RT  
1IN+  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
Internal Short-Circuit Protection  
Oscillator Frequency . . . 500 kHz Max  
ERROR  
AMPLIFIER 2  
ERROR  
AMPLIFIER 1 1IN–  
1FEEDBACK  
1DTC  
Variable Dead Time Provides Control Over  
Total Range  
2OUT  
1OUT  
GND  
Internal Regulator Provides a Stable 2.5-V  
Reference Supply  
V
CC  
Available in Q-Temp Automotive  
HighRel Automotive Applications  
Configuration Control / Print Support  
Qualification to Automotive Standards  
FK PACKAGE  
(TOP VIEW)  
description  
3
2
1
20 19  
1IN+  
1IN–  
2IN+  
4
5
6
7
8
18  
17  
16  
15  
14  
The TL1451A 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 contains an on-chip 2.5-V  
regulator, two error amplifiers, an adjustable  
oscillator, two dead-time comparators, undervol-  
tage lockout circuitry, and dual common-emitter  
output transistor circuits.  
2IN–  
NC  
NC  
1FEEDBACK  
IDTC  
2FEEDBACK  
2DTC  
9
10 11 12 13  
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 V  
lockout control circuit feature locks the outputs off until the internal circuitry is operational.  
conditions, the undervoltage  
CC  
The TL1451AC is characterized for operation from –20°C to 85°C. The TL1451AQ is characterized for operation  
from –40°C to 125°C. The TL1451AM is characterized for operation from –55°C to 125°C.  
AVAILABLE OPTIONS  
PACKAGED DEVICES  
SMALL  
OUTLINE  
(D)  
SMALL  
SMALL  
OUTLINE  
(NS)  
CHIP  
CARRIER  
(FK)  
CERAMIC  
DIP  
T
A
PLASTIC DIP  
(N)  
TSSOP  
(PW)  
OUTLINE  
†
†
(DB)  
(J)  
–20°C to 85°C  
–40°C to 125°C  
–55°C to 125°C  
TL1451ACD  
TL1451AQD  
—
TL1451ACDB  
TL1451ACN  
TL1451ACNS TL1451ACPW  
—
—
—
—
—
—
—
—
—
—
—
—
TL1451AMFK  
TL1451AMJ  
†
The DB and PW packages are only available left-end taped and reeled (add LE suffix, i.e., TL1451ACPWLE).  
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.  
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Copyright 1999, Texas Instruments Incorporated  
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中文翻译

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TL1451ACDG4 替代型号

型号 品牌 替代类型 描述 数据表
TL1451ACD TI

类似代替

 SUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS

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