參數(shù)資料
型號(hào)： TPS54377RHF
廠商： Texas Instruments, Inc.
英文描述： 1.6 MHz, 3-V TO 6-V INPUT, 3-A SYNCHRONOUS STEP-DOWN SWIFT⑩ CONVERTER WITH DISABLED SINKING DURING START-UP
中文描述： 1.6兆赫，3 - V至6 V輸入，3甲同步降壓轉(zhuǎn)換器的SWIFT⑩與殘疾人沉井在啟動(dòng)期間
文件頁(yè)數(shù)： 1/21頁(yè)
文件大?。?/td> 593K
代理商： TPS54377RHF
1
FEATURES
60-m
MOSFET Switches for High Efficiency
at 3-A Continuous Output Current
Adjustable Output Voltage Down to 0.9 V With
1% Accuracy
Switching Frequency: Adjustable From
280 kHz to 1600 kHz
Disabled Current Sinking During Start-Up
Fast Transient Response
Load Protected by Peak Current Limit and
Thermal Shutdown
Integrated Solution Reduces Board Area and
Total Cost
Spacing Saving 4mm x 5mm QFN Packaging
For SWIFT Documentation, Application Notes,
and Design Software, see the TI website at
www.ti.com/swift
DESCRIPTION
As a member of the SWIFT family of dc/dc
regulators,
the
TPS54377
high-output-current
synchronous-buck
converter integrates all required active components.
Included on the substrate with the listed features are
a true, high performance, voltage error amplifier that
provides high performance under transient conditions;
an undervoltage-lockout circuit to prevent start-up
until the input voltage reaches 3 V; an internally and
externally
set
slow-start
currents;
and
a
power
processor/logic reset, fault signaling, and supply
sequencing.
APPLICATIONS
Low-Voltage, High-Density Systems With
Power Distributed at 5 V or 3.3 V
Point of Load Regulation for High
Performance DSPs, FPGAs, ASICs, and
Microprocessors
Broadband, Networking and Optical
Communications Infrastructure
VIN
PWRGD
PH
BOOT
PGND
VSENSE
COMP
Output
AGND
VBIAS
Input
TPS54377
*
*
*
Optional
START-UP WAVEFORM
Simplified Schematic
5.0 ms/div
1
V
O
= 1.8 V
V
I
= 3.3 V
R
L
= 1
RT
SYNC
SS/ENA
TPS54377
SLVS779–SEPTEMBER 2007
www.ti.c om
1.6 MHz, 3-V TO 6-V INPUT, 3-A SYNCHRONOUS STEP-DOWN SWIFT CONVERTER
WITH DISABLED SINKING DURING START-UP
2
low-input-voltage
PWM
circuit
good
to
limit
in-rush
output
useful
for
For
applications, the TPS54377 is designed to only
source current during start-up.
reliable
power
up
in
output
precharge
The TPS54377 device is available in a thermally
enhanced 24-pin QFN (RHF) PowerPAD package,
which
eliminates
bulky
evaluation modules and the SWIFT designer software
tool to aid in achieving high-performance power
supply
designs
to
meet
development cycles.
heatsinks.
TI
provides
aggressive
equipment
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
SWIFT, PowerPAD are trademarks of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright 2007, Texas Instruments Incorporated
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS54377RHFR 功能描述:直流/直流開關(guān)調(diào)節(jié)器 1.6 MHz 3-6V In 3A Syn. Stp Dwn SWIFT RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS54377RHFRG4 功能描述:直流/直流開關(guān)調(diào)節(jié)器 1.6 MHz 3V-6V Input 3A Syn. Step Down RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS54377RHFT 功能描述:直流/直流開關(guān)調(diào)節(jié)器 1.6 MHz 3-6V In 3A Syn. Stp Dwn SWIFT RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS54377RHFTG4 功能描述:直流/直流開關(guān)調(diào)節(jié)器 1.6 MHz 3V-6V Input 3A Syn. Step Down RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS54380 制造商:TI 制造商全稱:Texas Instruments 功能描述:SWIFT Converter Product Portfolio
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