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TPS51020DBT PDF预览

TPS51020DBT

更新时间: 2024-02-09 16:19:54
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光电二极管双倍数据速率PC
页数 文件大小 规格书
27页 555K
描述
DUAL, VOLTAGE MODE, DDR SELECTABLE, SYNCHRONOUS, STEP-DOWN CONTROLLER FOR NOTEBOOK SYSTEM POWER

TPS51020DBT 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-30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:0.8Samacsys Confidence:
Samacsys Status:ReleasedSamacsys PartID:526113
Samacsys Pin Count:30Samacsys Part Category:Integrated Circuit
Samacsys Package Category:OtherSamacsys Footprint Name:SOP50P640X120-30N
Samacsys Released Date:2017-01-12 12:59:53Is 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:28 V
最小输入电压:4.5 V标称输入电压:12 V
JESD-30 代码:R-PDSO-G30JESD-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:85 °C最低工作温度:-40 °C
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:PUSH-PULL最大切换频率:450 kHz
温度等级:INDUSTRIAL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

TPS51020DBT 数据手册

 浏览型号TPS51020DBT的Datasheet PDF文件第2页浏览型号TPS51020DBT的Datasheet PDF文件第3页浏览型号TPS51020DBT的Datasheet PDF文件第4页浏览型号TPS51020DBT的Datasheet PDF文件第5页浏览型号TPS51020DBT的Datasheet PDF文件第6页浏览型号TPS51020DBT的Datasheet PDF文件第7页 
SLUS564B − JULY 2003 − REVISED DECEMBER 2003  
FEATURES  
DESCRIPTION  
D
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Wide Input Voltage Range: 4.5-V to 28-V  
Selectable Dual and DDR Modes  
The TPS51020 is  
a
multi-function dual-  
synchronous step-down controller for notebook  
system power. The part is specifically designed  
for high performance, high efficiency applications  
where the loss associated with a current sense  
resistor is unacceptable. The TPS51020 utilizes  
feed forward voltage mode control to attain high  
efficiency without sacrificing line response.  
Efficiency at light load conditions can be  
maintained high as well by incorporating autoskip  
operation. A selectable, Suspend to RAM (STR)  
supported, DDR option provides a one chip  
solution for all switching applications from  
5-V/3.3-V supply to a complete DDR termination  
solution.  
Selectable Fixed Frequency Voltage Mode  
Integrated Selectable Output Discharge  
Advanced Power Good Logic Monitors both  
Channels  
Selectable Autoskip Mode  
Integrated Boot Strap Diodes  
180° Phase Shift Between Channels  
Integrated 5-V, 60-mA Regulator  
Input Feedforward Control  
1% Internal 0.85-V Reference  
R
Overcurrent Detection (4200 ppm/°C)  
DS(on)  
Integrated OVP, UVP and Power Good Timers  
30-pin TSSOP Package  
ORDERING INFORMATION  
TA  
PLASTIC TSSOP (DBT)  
TPS51020DBT  
−40°C to 85°C  
TPS51020DBTR (T&R)  
APPLICATIONS  
D
Notebook Computers System Bus and I/O  
D
DDR I or DDR II Termination  
VIN  
TPS51020  
VO1  
1
2
30  
29  
28  
27  
SIMPLIFIED  
APPLICATION  
DIAGRAM  
INV1  
VBST1  
OUT1_U  
LL1  
VO1  
COMP1  
3
4
5
6
7
SSTRT1  
SKIP  
OUT1_D  
OUTGND1  
TRIP1  
26  
VO1  
VO1_VDDQ  
DDR  
VIN  
25  
24  
23  
22  
21  
VIN  
GND  
VIN  
TRIP2  
8
9
REF_X  
ENBL1  
VREG5  
VREG5  
REG5_IN  
OUTGND2  
OUT2_D  
LL2  
10  
11  
12  
13  
14  
15  
ENBL2  
VO2  
EXT_5V  
20  
19  
18  
17  
16  
VO2  
VREG5  
PGOOD  
SSTRT2  
COMP2  
INV2  
OUT2_U  
VBST2  
VO2  
VO2  
UDG−03144  
VIN  
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.  
ꢀꢨ  
Copyright 2003, Texas Instruments Incorporated  
ꢤ ꢨ ꢥ ꢤꢝ ꢞꢲ ꢠꢟ ꢣ ꢫꢫ ꢩꢣ ꢡ ꢣ ꢢ ꢨ ꢤ ꢨ ꢡ ꢥ ꢭ  
1
www.ti.com  

TPS51020DBT 替代型号

型号 品牌 替代类型 描述 数据表
TPS51020DBTR TI

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DUAL, VOLTAGE MODE, DDR SELECTABLE, SYNCHRONOUS, STEP-DOWN CONTROLLER FOR NOTEBOOK SYSTEM
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TPS51020DBTRG4 TI

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DUAL, VOLTAGE MODE, DDR SELECTABLE, SYNCHRONOUS, STEP-DOWN CONTROLLER FOR NOTEBOOK SYSTEM

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