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TL1464IPTRG4 PDF预览

TL1464IPTRG4

更新时间： 2024-11-18 20:10:27
品牌 Logo 应用领域
德州仪器 - TI 开关
页数 文件大小 规格书
13页 341K
描述
1A SWITCHING REGULATOR, 2000kHz SWITCHING FREQ-MAX, PQFP48, GREEN, PLASTIC, LQFP-48

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TL1464IPTRG4 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：QFP
包装说明：LFQFP, QFP48,.35SQ,20针数：48
Reach Compliance Code：unknownECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.77
模拟集成电路 - 其他类型：SWITCHING REGULATOR控制模式：VOLTAGE-MODE
控制技术：PULSE WIDTH MODULATION最大输入电压：12 V
最小输入电压：3.1 V标称输入电压：6 V
JESD-30 代码：S-PQFP-G48JESD-609代码：e4
长度：7 mm湿度敏感等级：1
功能数量：4端子数量：48
最高工作温度：75 °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：LFQFP封装等效代码：QFP48,.35SQ,20
封装形状：SQUARE封装形式：FLATPACK, LOW PROFILE, FINE PITCH
峰值回流温度（摄氏度）：260认证状态：Not Qualified
座面最大高度：1.6 mm子类别：Switching Regulator or Controllers
表面贴装：YES切换器配置：SINGLE
最大切换频率：2000 kHz技术：BIPOLAR
温度等级：COMMERCIAL EXTENDED端子面层：Nickel/Palladium/Gold (Ni/Pd/Au)
端子形式：GULL WING端子节距：0.5 mm
端子位置：QUAD处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：7 mmBase Number Matches：1

TL1464IPTRG4 数据手册

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TL1464I  
QUAD PULSE-WIDTH-MODULATION CONTROL CIRCUIT  
SLVS266 – FEBRUARY 2000  
High-Speed Drive Controller for PNP Power  
Internal Short-Circuit Protection  
Transistor  
Internal Undervoltage Lockout Protection  
Internal Shut-Down Circuit by Channel  
Internal-Regulator Provides a Stable 1.5 V  
Reference Supply  
Controllable Base Current of External  
Transistor  
Low Start-Up Voltage 3.1 V  
description  
The TL1464I incorporates on a single monolithic chip all the functions required in the construction of a  
pulse-width-modulation control circuit. Designed primarily for power supply control, the TL1464I contains an  
on-chip 1.5 V regulator, four error amplifiers, an oscillator, two dead-time comparators, undervoltage lockout  
circuitry, short circuit protection, standby control circuitry, and output circuits.  
The external speed-up capacitors provide exceptional rise and fall time performance for the PNP power  
transistor.  
The TL1464I operates from 3.1 V supply voltage and 2 pair of four-outputs (CH-1/CH-3, CH-2/CH-4 the same  
period) at the inverse phase of each other. As a result, the TL1464I provides high-efficiency power supply.  
FUNCTION TABLE  
INPUTS  
STANDBY-2 TO4  
V ≤ 0.4 V, V ≥ 2.4 V  
OUTPUT FUNCTIONS  
STANDBY  
V ≤ 0.4 V  
VREF  
OUTPUT-1  
OFF  
OUTPUT-2  
OFF  
OUTPUT-3  
OUTPUT-4  
OFF  
L
H
H
OFF  
ON  
I
I
I
V ≥ 2.4 V  
I
ON  
ON  
ON  
V ≥ 2.4 V  
I
V ≥ 0.4 V  
I
ON  
See Note  
See Note  
See Note  
NOTE: When the STANDBY input is high (≥ 2.4 V), OUTPUT-2 to 4 are controlled individually. If STANDBY-2 input is low  
(≤ 0.4 V), OUTPUT-2 is turned off. When CH-2 standby mode is released, CH-2 can do the soft-start function.  
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.  
Copyright 2000, 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...13

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