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| 型号： | TPS2001CDGNR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 模拟信号调理 |
| 英文描述： | SPECIALTY ANALOG CIRCUIT, PDSO8 |
| 封装： | PLASTIC, MSOP-8 |
| 文件页数： | 8/28页 |
| 文件大小： | 1476K |
| 代理商： | TPS2001CDGNR |
第1页第2页第3页第4页第5页第6页第7页当前第8页第9页第10页第11页第12页第13页第14页第15页第16页第17页第18页第19页第20页第21页第22页第23页第24页第25页第26页第27页第28页
C
IN
V
IN: 0.0145in
2 area
& 2 x 0.018in vias
GND: 0.056in
2 total area
& 3 x 0.018in vias
C
OUT
V
OUT:
0.048in
2 total area
5 x 0.01in vias
0.050in trace
C
OUT
VIN: 0.00925in
2
& 3 x 0.018in vias
VOUT: 0.041in
2 total
0.050in trace
4 x 0.01in vias
C
IN
GND: 0.052in
2 Total
& 3 x 0.018in vias
SLVSAU6B
– JUNE 2011 – REVISED SEPTEMBER 2011
Figure 41. DBV Package PCB Layout Example
Figure 42. DGN Package PCB Layout Example
The following procedure requires iteration because power loss is due to the internal MOSFET I2
× RDS(ON), and
RDS(ON) is a function of the junction temperature. As an initial estimate, use the RDS(ON) at 125°C from the
TYPICAL CHARACTERISTICS, and the preferred package thermal resistance for the preferred board
construction from the THERMAL INFORMATION table.
TJ = TA + ((IOUT2 x RDS(ON)) x θJA)
(1)
Where:
IOUT = rated OUT pin current (A)
RDS(ON) = Power switch on-resistance at an assumed TJ (Ω)
TA = Maximum ambient temperature (°C)
TJ = Maximum junction temperature (°C)
θJA = Thermal resistance (°C/W)
If the calculated TJ is substantially different from the original assumption, estimate a new value of RDS(ON) using
the typical characteristic plot and recalculate.
If the resulting TJ is not less than 125°C, try a PCB construction and/or package with lower θJA .
SPACER
REVISION HISTORY
Changes from Original (June 2011) to Revision A
Page
Updated MSOP Devices Status From: Preview To: Active .................................................................................................. 1
Corrected pinout numbers for the 5-PIN PACKAGE ............................................................................................................ 6
Changes from Revision A (July 2011) to Revision B
Page
Added the DGK Package Information throughout the data sheet ........................................................................................ 1
Changed title of Figure 15 From: NEW FIG To: TPS2065C 50
Ω Short Circuit ................................................................... 8
16
Copyright
2011, Texas Instruments Incorporated
Product Folder Link(s) :TPS20xxC
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TPS2001DDBVT | 功能描述:TPS2001DDBVT 制造商:texas instruments 系列:* 包装:剪切带（CT） 零件状态:在售 封装/外壳:SC-74A，SOT-753 供应商器件封装:SOT-23-5 标准包装:1 |
| TPS2001DDGK | 功能描述:SINGLE CHANNEL, CURRENT-LIMITED 制造商:texas instruments 系列:- 包装:管件 零件状态:在售 开关类型:USB 开关 输出数:1 比率 - 输入:输出:1:1 输出配置:高端 输出类型:N 通道 接口:开/关 电压 - 负载:4.5 V ~ 5.5 V 电压 - 电源（Vcc/Vdd）:不需要 电流 - 输出（最大值）:2A 导通电阻（典型值）:72 毫欧 输入类型:非反相 特性:状态标志 故障保护:限流（固定），超温，反向电流，UVLO 工作温度:-40°C ~ 125°C （TJ） 封装/外壳:8-TSSOP，8-MSOP（0.118"，3.00mm 宽） 供应商器件封装:8-VSSOP 标准包装:80 |
| TPS2002C | 制造商:TI 制造商全称:Texas Instruments 功能描述:Dual Channel, Current-Limited, Power-Distribution Switches |
| TPS2002CDRCR | 功能描述:电源开关 IC - USB Dual-CH Current-LTD Pwr-Dist Switch RoHS:否 制造商:Micrel 电源电压-最小:2.7 V 电源电压-最大:5.5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SOIC-8 封装:Tube |
| TPS2002CDRCT | 功能描述:电源开关 IC - USB Dual-CH Current-LTD Pwr-Dist Switch RoHS:否 制造商:Micrel 电源电压-最小:2.7 V 电源电压-最大:5.5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:SOIC-8 封装:Tube |
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