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TL1454ACDB PDF预览

TL1454ACDB

更新时间： 2024-11-01 03:59:35
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脉冲光电二极管
页数 文件大小 规格书
27页 410K
描述
DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM) CONTROL CIRCUIT

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中文翻译

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TL1454ACDB 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：GREEN, SSOP-16
针数：16Reach Compliance Code：compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
Factory Lead Time：1 week风险等级：7.77
Is 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：20 V最小输入电压：3.6 V
标称输入电压：6 VJESD-30 代码：R-PDSO-G16
JESD-609代码：e4长度：6.2 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：1 A
封装主体材料：PLASTIC/EPOXY封装代码：SSOP
封装等效代码：SSOP16,.3封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, SHRINK PITCH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表面贴装：YES
切换器配置：PHASE-SHIFT最大切换频率：2000 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：0.65 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 mm
Base Number Matches：1

TL1454ACDB 数据手册

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TL1454A, TL1454AY  
DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM)  
CONTROL CIRCUIT  
SLVS423 A– MAY 2002 – REVISED SEPTEMBER 2002  
D, N OR PW PACKAGE  
(TOP VIEW)  
D
D
D
D
D
D
D
Two Complete PWM Control Circuits  
Outputs Drive MOSFETs Directly  
Oscillator Frequency . . . 50 kHz to 2 MHz  
3.6-V to 20-V Supply-Voltage Range  
Low Supply Current . . . 3.5 mA Typ  
Adjustable Dead-Time Control, 0% to 100%  
1.26-V Reference  
REF  
CT  
RT  
1
2
3
4
5
6
7
8
16  
15  
14  
SCP  
DTC2  
DTC1  
IN1+  
13 IN2+  
12  
11  
10  
9
IN2–  
IN1–  
COMP2  
COMP1  
GND  
V
CC  
description  
OUT2  
OUT1  
The TL1454A is a dual-channel pulse-width-mod-  
ulation (PWM) control circuit, primarily intended  
for low-power, dc/dc converters. Applications  
include LCD displays, backlight inverters, note-  
book computers, and other products requiring  
small, high-frequency, dc/dc converters.  
Each PWM channel has its own error amplifier, PWM comparator, dead-time control comparator, and MOSFET  
driver. The voltage reference, oscillator, undervoltage lockout, and short-circuit protection are common to both  
channels.  
Channel 1 is configured to drive n-channel MOSFETs in step-up or flyback converters, and channel 2 is  
configured to drive p-channel MOSFETs in step-down or inverting converters. The operating frequency is set  
with an external resistor and an external capacitor, and dead time is continuously adjustable from 0 to 100%  
duty cycle with a resistive divider network. Soft start can be implemented by adding a capacitor to the dead-time  
control (DTC) network. The error-amplifier common-mode input range includes ground, which allows the  
TL1454A to be used in ground-sensing battery chargers as well as voltage converters.  
AVAILABLE OPTIONS  
†
PACKAGED DEVICES  
CHIP FORM  
(Y)  
T
A
SMALL OUTLINE  
(D)  
PLASTIC DIP  
(N)  
TSSOP  
(PW)  
SSOP  
(DB)  
SOP-EIAJ  
(NS)  
–20°C to 85°C  
TL1454ACD  
TL1454ACN  
TL1454ACPWR  
TL1454ACDB  
TL1454ACNS  
TL1454AY  
†
The D, DB and NS packages are available taped and reeled. Add the suffix R to the device name (e.g., TL1454ACDR). The PW package is  
available only left-end taped and reeled (indicated by the R suffix on the device type; e.g., TL1454ACPWR).  
Copyright 2002, Texas Instruments Incorporated  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...27

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TL1454ACDB 替代型号

型号 品牌 替代类型 描述 数据表
TL1454ACDBR TI

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 DUAL-CHANNEL PULSE-WIDTH-MODULATION (PWM) CONTROL CIRCUIT

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