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TL1454ACPWG4 PDF预览

TL1454ACPWG4

更新时间: 2024-11-01 15:54:27
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
25页 664K
描述
1A DUAL SWITCHING CONTROLLER, 2000kHz SWITCHING FREQ-MAX, PDSO16, GREEN, TSSOP-16

TL1454ACPWG4 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:TSSOP
包装说明:TSSOP, TSSOP16,.25针数:16
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.31
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 V
JESD-30 代码:R-PDSO-G16JESD-609代码:e4
长度:5 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:TSSOP封装等效代码:TSSOP16,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:1.2 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:4.4 mmBase Number Matches:1

TL1454ACPWG4 数据手册

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ꢈꢉꢅ ꢁꢊꢋꢌ ꢅꢍꢍꢎ ꢁ ꢏꢉ ꢁꢐ ꢎꢊꢑ ꢒꢈꢀ ꢌꢊꢓ ꢔ ꢈꢉꢁ ꢅꢀ ꢒ ꢔꢍ ꢕ ꢏꢑ ꢓꢖ  
ꢋꢔ ꢍꢀ ꢗꢔ ꢁ ꢋ ꢒꢗ ꢋꢉ ꢒ ꢀ  
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  
REF  
CT  
RT  
1
2
3
4
5
6
7
8
16  
15  
14  
SCP  
DTC2  
DTC1  
IN1+  
IN1−  
13 IN2+  
Adjustable Dead-Time Control, 0% to 100%  
1.26-V Reference  
12  
11  
10  
9
IN2−  
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).  
ꢀꢣ  
Copyright 2002, Texas Instruments Incorporated  
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ꢡꢣ  
ꢞꢜ  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

TL1454ACPWG4 替代型号

型号 品牌 替代类型 描述 数据表
TL1454ACPWRG4 TI

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