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TPS5120MDBTREP PDF预览

TPS5120MDBTREP

更新时间： 2024-11-23 12:21:59
品牌 Logo 应用领域
德州仪器 - TI 输出元件控制器
页数 文件大小 规格书
23页 483K
描述
DUAL OUTPUT, TWO-PHASE SYNCHRONOUS BUCK DC/DC CONTROLLER

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中文翻译

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TPS5120MDBTREP 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：TSSOP
包装说明：TSSOP,针数：30
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01Factory Lead Time：1 week
风险等级：0.89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：28 V最小输入电压：4.5 V
标称输入电压：7 VJESD-30 代码：R-PDSO-G30
JESD-609代码：e4长度：7.8 mm
湿度敏感等级：2功能数量：1
端子数量：30最高工作温度：125 °C
最低工作温度：-55 °C最大输出电流：1.5 A
最大输出电压：26 V最小输出电压：0.9 V
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
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表面贴装：YES
切换器配置：PHASE-SHIFT最大切换频率：500 kHz
温度等级：MILITARY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：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

TPS5120MDBTREP 数据手册

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SGLS224A − JANUARY 2004 − REVISED APRIL 2006  
D
Controlled Baseline  
− One Assembly/Test Site, One Fabrication  
Site  
D
D
D
D
D
D
Low Supply (1 mA) and Shutdown (1 nA)  
Current  
Power Good Output  
D
D
D
D
D
Extended Temperature Performance of  
−55°C to 125°C  
Enhanced Diminishing Manufacturing  
Sources (DMS) Support  
High-Speed Error Amplifiers  
Sequencing Easily Achieved by Selecting  
Softstart Capacitor Values.  
5-V Linear Regulator Power Internal IC  
Circuitry  
Enhanced Product-Change Notification  
†
Qualification Pedigree  
30-Pin TSSOP Packaging  
Independent Dual-Outputs Operate 180°  
Out of Phase  
DBT PACKAGE  
(TOP VIEW)  
D
D
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Wide Input Voltage Range: 4.5-V − 28-V  
1
30  
29  
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
INV1  
FB1  
SOFTSTART1  
PWM/SKIP  
CT  
LH1  
OUT1_u  
LL1  
OUT1_d  
OUTGND1  
TRIP1  
Adjustable Output Voltage Down to 0.9 V  
2
Pin-Selectable PWM/SKIP Mode for High  
Efficiency Under Light Loads  
3
4
D
D
D
Synchronous Buck Operation Allows up to  
95% Efficiency  
5
6
5V_STBY  
GND  
7
V
Separate Standby Control and Overcurrent  
Protection for Each Channel  
CC  
8
REF  
STBY1  
STBY2  
TRIP2  
9
VREF5  
REG5V_IN  
OUTGND2  
OUT2_d  
LL2  
Programmable Short-Circuit Protection  
10  
11  
12  
13  
14  
15  
†
Component qualification in accordance with JEDEC and industry  
standards to ensure reliable operation over an extended  
temperature range. This includes, but is not limited to, Highly  
Accelerated Stress Test (HAST) or biased 85/85, temperature  
cycle, autoclave or unbiased HAST, electromigration, bond  
intermetallic life, and mold compound life. Such qualification  
testing should not be viewed as justifying use of this component  
beyond specified performance and environmental limits.  
FLT  
POWERGOOD  
SOFTSTART2  
FB2  
OUT2_u  
LH2  
INV2  
description  
The TPS5120 is a dual channel, high-efficiency synchronous buck controller where the outputs run 180 degrees  
out of phase, which lowers the input current ripple, thereby reducing the input capacitance cost. The PWM/SKIP  
pin allows the operating mode to switch from PWM mode to skip mode under light load conditions. The skip  
mode enables a lower operating frequency and shortens the pulse width to the low-side MOSFET, increasing  
the efficiency under light load conditions. These two modes, along with synchronous-rectifier drivers, dead time,  
and very low quiescent current, allow power to be conserved and the battery life to be extended under all load  
conditions. The 1.5 A (typical) high-side and low-side MOSFET drivers on-chip are designed to drive less  
expensive N-channel MOSFETs. The resistorless current protection and fixed high-side driver voltage simplify  
the power supply design and reduce the external parts count. Each channel is independent, offering a separate  
controller, overcurrent protection, and standby control. Sequencing is flexible and can be tailored by choosing  
different softstart capacitor values. Other features, such as undervoltage lockout, power good, overvoltage,  
undervoltage, and programmable short-circuit protection promote system reliability.  
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 2006 Texas Instruments Incorporated  
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1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...23

中文翻译

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