參數(shù)資料
型號(hào)： TPS40075RHLR
廠商： TEXAS INSTRUMENTS INC
元件分類(lèi)： 穩(wěn)壓器
英文描述： 2 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PQCC20
封裝： PLASTIC, QFN-20
文件頁(yè)數(shù)： 1/44頁(yè)
文件大小： 806K
代理商： TPS40075RHLR
1
FEATURES
APPLICATIONS
CONTENTS
DESCRIPTION
1
2
3
4
19
18
17
16
SYNC
PGD
LVBP
RT
SA
SAO
GND
SS
TPS40075
15
14
13
12
KFF
ILIM
VDD
HDRV
5
6
7
8
FB
COMP
PGND
LDRV
9
DBP
20
SA+
10
SW
11
BOOST
SYNC IN
PowerGood OUT
UDG04075
VIN
VOUT+
VOUT
(at Load)
VOUT+
(at Load)
SLUS676A – MAY 2006 – REVISED SEPTEMBER 2007
www.ti.com
MIDRANGE INPUT SYNCHRONOUS BUCK CONTROLLER
WITH VOLTAGE FEED-FORWARD
The TPS40075 drives external N-channel MOSFETs
using second generation Predictive Gate Drive to
2
Operation Over 4.5-V to 28-V Input Range
minimize conduction in the body diode of the low side
Fixed-Frequency Voltage-Mode Controller
FET and maximize efficiency. Pre-biased outputs are
supported by not allowing the low side FET to turn on
Integrated Unity Gain Amplifier for Remote
until the voltage commanded by the closed loop soft
Output Sensing
start is greater than the pre-bias voltage. Voltage
Predictive Gate Drive Generation II for
feed
forward
provides
good
response
to
input
Improved Efficiency
transients and provides a constant PWM gain over a
<1% Internal 700-mV Reference
wide
input
voltage
operating
range
to
ease
compensation
requirements.
Programmable
short
Input Voltage Feed Forward Control
circuit protection provides fault current limiting and
Prebiased Output Compatible
hiccup recovery to minimize power dissipation with a
Internal Gate Drive Outputs for High-Side and
shorted output. The 20-pin QFN package gives good
Synchronous N-Channel MOSFETs
thermal performance and a compact footprint.
Switching Frequency Programmable to 1 MHz
SIMPLIFIED APPLICATION DIAGRAM
20-Pin QFN Package
Thermal Shutdown Protection
Software Design Tool and EVM Available
Power Modules
Networking/Telecom
Industrial
Servers
2
4
Terminal Information
12
Application Information
15
26
40
The TPS40075 is a mid voltage, wide input (4.5-V to
28-V), synchronous, step-down controller, offering
design flexibility for a variety of user programmable
functions, including; soft start, UVLO, operating
frequency, voltage feed-forward and high-side FET
sensed short circuit protection.
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
Predictive Gate Drive is a 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(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS40075RHLRG4 功能描述:DC/DC 開(kāi)關(guān)控制器 Wide Input Synch Buck Controller 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
TPS40075RHLT 功能描述:DC/DC 開(kāi)關(guān)控制器 Wide Input Synch Buck Controller 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
TPS40075RHLTG4 功能描述:DC/DC 開(kāi)關(guān)控制器 Wide Input Synch Buck Controller 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
TPS40077 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:HIGH-EFFICIENCY, MIDRANGE-INPUT, SYNCHRONOUS BUCK CONTROLLER WITH VOLTAGE FEED-FORWARD
TPS40077_07 制造商:TI 制造商全稱(chēng):Texas Instruments 功能描述:HIGH-EFFICIENCY, MIDRANGE-INPUT, SYNCHRONOUS BUCK CONTROLLER WITH VOLTAGE FEED-FORWARD
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