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TL1453CPW

更新时间： 2024-09-09 21:14:11
品牌 Logo 应用领域
德州仪器 - TI 开关光电二极管
页数 文件大小 规格书
7页 114K
描述
IC 0.021 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO16, TSSOP-16, Switching Regulator or Controller

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TL1453CPW 技术参数

生命周期：Obsolete零件包装代码：TSSOP
包装说明：TSSOP,针数：16
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.67
模拟集成电路 - 其他类型：SWITCHING CONTROLLER控制模式：VOLTAGE-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：40 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：5 mm功能数量：2
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
封装主体材料：PLASTIC/EPOXY封装代码：TSSOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
认证状态：Not Qualified座面最大高度：1.2 mm
表面贴装：YES切换器配置：SINGLE
最大切换频率：500 kHz温度等级：OTHER
端子面层：NICKEL PALLADIUM GOLD端子形式：GULL WING
端子节距：0.65 mm端子位置：DUAL
宽度：4.4 mmBase Number Matches：1

TL1453CPW 数据手册

 浏览型号TL1453CPW的Datasheet PDF文件第2页浏览型号TL1453CPW的Datasheet PDF文件第3页浏览型号TL1453CPW的Datasheet PDF文件第4页浏览型号TL1453CPW的Datasheet PDF文件第5页浏览型号TL1453CPW的Datasheet PDF文件第6页浏览型号TL1453CPW的Datasheet PDF文件第7页 
TL1453C  
DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUIT  
SLVS039A – FEBRUARY 1990 – REVISED DECEMBER 1990  
N OR NS PACKAGE  
(T0P VIEW)  
Complete PWM Power Control Circuitry  
Completely Synchronized Operation  
Internal Undervoltage Lockout Protection  
Wide Supply Voltage Range  
REF  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
C
R
T
SCP  
T
IN+ ERROR  
ERROR  
IN+  
Oscillator Frequency . . . 500 kHz Max  
}
{
IN– AMPLIFIER 2  
2 FEEDBACK  
AMPLIFIER 1 IN–  
1 FEEDBACK  
Variable Dead Time Provides Control  
Over Total Range  
2 DEAD-TIME CONTROL  
2 OUTPUT  
1 DEAD-TIME CONTROL  
1 OUTPUT  
Internal Regulator Provides a Stable 2.5-V  
Reference Supply  
V
GND  
CC  
description  
The TL1453C incorporates the functions required in the construction of two pulse-width-modulation control  
circuits on a single monolithic chip. Designed primarily for power supply control, the TL1453C 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 1.05 V to 1.45 V. The dead-time control comparator has  
no offset unless externally altered and may be used to provide 0% to 100% dead time. The on-chip oscillator  
may be operated by terminating R (pin 2) and C (pin 1). During low-V conditions, the undervoltage lockout  
T
T
CC  
control circuit feature inhibits the output until the internal circuitry is operational.  
The TL1453C is characterized for operation from –20°C to 85°C.  
functional block diagram  
C
R
V
CC  
9
T
1
T
2
V
= 2.5 V  
ref  
16  
Reference  
Voltage  
Triangle  
Oscillator  
REF  
2 V  
Error Amp.1  
1.4 V  
PWM Comparator 1  
2.5 V  
3
1 IN+  
7
1 OUTPUT  
2 OUTPUT  
4
5
1 IN–  
1 FEEDBACK  
2 FEEDBACK  
2 IN+  
1
12 Error Amp.2  
14  
10  
13  
2.5 V  
2 IN–  
2
2.5 V  
PWM Comparator 2  
15  
†
SCP  
UVLO  
8
GND  
6
11  
1 DEAD-TIME CONTROL  
2 DEAD-TIME CONTROL  
†
UVLO = Undervoltage Lockout Protection  
Copyright 1990, 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

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