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參數資料
| 型號： | TPS40040DRBT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | 7.2 A SWITCHING CONTROLLER, 350 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | 3 X 3 MM, PLASTIC, SON-8 |
| 文件頁數： | 1/38頁 |
| 文件大小： | 741K |
| 代理商： | TPS40040DRBT |
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1
FEATURES
APPLICATIONS
CONTENTS
DESCRIPTION
SIMPLIFIED APPLICATION DIAGRAM
1
2
3
4
8
7
6
5
FB
COMP
VDD
TPS40040/1
GND
VOUT
VIN
EN
HDRV
SW
BOOT
LDRV
SLUS700D – MARCH 2006 – REVISED DECEMBER 2007
www.ti.com
LOW PIN COUNT, LOW VIN (2.5 V TO 5.5 V) SYNCHRONOUS BUCK DC-TO-DC
CONTROLLER WITH ENABLE
Point of Load
23
2.25-V to 5.5-V Input
Telecommunications
Output Voltage from 0.6 V to 90% of VIN
DC to DC Modules
High-Side Drive for N-Channel FET
Set Top Boxes
Supports Pre-Biased Outputs
Adaptive Anti-Cross Conduction Gate Drive
1%, 0.6-V Reference
Two Fixed Switching Frequency Versions,
2
TPS40040 (300 kHz) and TPS40041 (600 kHz)
3
Three Selectable Short Circuit Protection
8
Levels of 105 mV, 180 mV and 310 mV
10
Hiccup Restart from Faults
19
Voltage Mode Control
Active Low Enable
32
Thermal Shutdown Protection at 145C
8-Pin, 3-mm x 3-mm SON with Ground
Connection to Thermal Pad
The TPS40040 and TPS40041 dc-to-dc controllers
are designed to operate from a 2.25-V to 5.5-V input
source.
To
reduce
the
number
of
external
components, several operating parameters are fixed
internally; namely, frequency, soft start time, and
short circuit protection (SCP) levels. For example, the
operating
frequencies
of
TPS40040/1
are
300
kHz/600 kHz, respectively.
1
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.
2
PowerPAD is a trademark of Texas Instruments.
3
Predictive Gate Drive is a registered trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright 2006–2007, Texas Instruments Incorporated
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS40040DRBT | 制造商:Texas Instruments 功能描述:Peak Reflow Compatible (260 C):Yes |
| TPS40040DRBTG4 | 功能描述:DC/DC 開關控制器 Lo Vin Synch Buck DC/DC Cntrlr RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| TPS40040EVM-001 | 功能描述:電源管理IC開發工具 10A Synch Buck Eval Mod RoHS:否 制造商:Maxim Integrated 產品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| TPS40041 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:LOW PIN COUNT, LOW VIN (2.5 V TO 5.5 V) SYNCHRONOUS BUCK DC-TO-DC CONTROLLER WITH ENABLE |
| TPS40041DRBR | 功能描述:DC/DC 開關控制器 Low Vin Synch Buck DC/DC Controller RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
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