參數(shù)資料
型號(hào)： TPS40130RHBR
廠商： TEXAS INSTRUMENTS INC
元件分類(lèi)： 穩(wěn)壓器
英文描述： SWITCHING CONTROLLER, 1200 kHz SWITCHING FREQ-MAX, PQCC32
封裝： GREEN, PLASTIC, QFN-32
文件頁(yè)數(shù)： 2/38頁(yè)
文件大?。?/td> 950K
代理商： TPS40130RHBR
www.ti.com
Startup Sequence
UDG04031
EN/SYNC
BP5
VIN5
0.7V
1.0V
VOUT
PGOOD
POR
SSWAIT
SS
Differential Amplifier (U7)
8
7
GSNS
DIFFO
VOUT
+
Differential
Amplifier
TPS40130DBT
9
20 k
20 k
20 k
20 k
UDG04081
SLUS602B – JUNE 2004 – REVISED SEPTEMBER 2005
FUNCTIONAL DESCRIPTION (continued)
Figure 1 shows a typical start up with the VIN5 and BP5 applied to the controller and then the EN/SYNC being
enabled. Shut down occurs when the VIN5 is removed
Figure 1. Startup and Shutdown Sequence
The unity gain differential amplifier with high bandwidth allows improved regulation at a user-defined point and
eases layout constraints. The output voltage is sensed between the VOUT and GSNS pins. The output voltage
programming divider is connected to the output of the amplifier (DIFFO). The differential amplifier input voltage
must be lower than (VBP5 - 0.7 V).
If there is no need for a differential amplifer, the differential amplifier can be disabled by connecting the GSNS
pin to the BP5 pin and leaving VOUT and DIFFO open. The voltage programming divider in this case should be
connected directly to the output of the converter.
Figure 2. Differential Amplifier Configuration
Because of the resistor configuration of the differential amplifier, the input impedance must be kept very low or
there will be error in setting the output voltage.
10
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS40130RHBRG4 功能描述:DC/DC 開(kāi)關(guān)控制器 2-Ch Multiphase Buck DC/DC w/Int Drvr RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
TPS40130RHBT 功能描述:DC/DC 開(kāi)關(guān)控制器 2-Ch Multiphase Buck DC/DC w/Int Drvr RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
TPS40130RHBTG4 功能描述:DC/DC 開(kāi)關(guān)控制器 2-Ch Multiphase Buck DC/DC w/Int Drvr RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開(kāi)關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
TPS40131 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:TWO-PHASE, SYNCHRONOUS BUCK CONTROLLER WITH INTEGRATED MOSFET DRIVERS
TPS40131EVM 功能描述:電源管理IC開(kāi)發(fā)工具 TPS40131 Eval Mod RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類(lèi)型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
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