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參數資料
| 型號： | TPS54377RHFTG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | 7.5 A SWITCHING REGULATOR, 1600 kHz SWITCHING FREQ-MAX, PQCC24 |
| 封裝： | 4 X 5 MM, GREEN, PLASTIC, QFN-24 |
| 文件頁數： | 1/22頁 |
| 文件大小： | 727K |
| 代理商： | TPS54377RHFTG4 |
1
FEATURES
DESCRIPTION
APPLICATIONS
VIN
PH
BOOT
PGND
VSENSE
Output
COMP
AGND
VBIAS
Input
TPS54377
*
* Optional
START-UP WAVEFORM
Simplified
Schematic
5.0 ms/div
1
V/div
VO = 1.8 V
VI = 3.3 V
RL = 1
RT
SYNC
SS/ENA
PWRGD
SLVS779 – SEPTEMBER 2007
www.ti.com
1.6 MHz, 3-V TO 6-V INPUT, 3-A SYNCHRONOUS STEP-DOWN SWIFT CONVERTER
WITH DISABLED SINKING DURING START-UP
2
60-m MOSFET Switches for High Efficiency
at 3-A Continuous Output Current
As a member of the SWIFT family of dc/dc
regulators,
the
TPS54377
low-input-voltage
Adjustable Output Voltage Down to 0.9 V With
high-output-current
synchronous-buck
PWM
1% Accuracy
converter integrates all required active components.
Switching Frequency: Adjustable From
Included on the substrate with the listed features are
280 kHz to 1600 kHz
a true, high performance, voltage error amplifier that
Disabled Current Sinking During Start-Up
provides high performance under transient conditions;
an undervoltage-lockout circuit to prevent start-up
Fast Transient Response
until the input voltage reaches 3 V; an internally and
Load Protected by Peak Current Limit and
externally
set
slow-start
circuit
to
limit
in-rush
Thermal Shutdown
currents; and a power good output useful for
Integrated Solution Reduces Board Area and
processor/logic reset, fault signaling, and supply
Total Cost
sequencing.
Spacing Saving 4mm x 5mm QFN Packaging
For
reliable
power
up
in
output
precharge
applications, the TPS54377 is designed to only
For SWIFT Documentation, Application Notes,
source current during start-up.
and Design Software, see the TI website at
The TPS54377 device is available in a thermally
enhanced 24-pin QFN (RHF) PowerPAD package,
which
eliminates
bulky
heatsinks.
TI
provides
evaluation modules and the SWIFT designer software
Low-Voltage, High-Density Systems With
tool to aid in achieving high-performance power
Power Distributed at 5 V or 3.3 V
supply
designs
to
meet
aggressive
equipment
Point of Load Regulation for High
development cycles.
Performance DSPs, FPGAs, ASICs, and
Microprocessors
Broadband, Networking and Optical
Communications Infrastructure
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.
Copyright 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 |
|---|---|
| TPS54380 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:SWIFT Converter Product Portfolio |
| TPS54380EVM-001 | 功能描述:電源管理IC開發工具 3.3/5Vin 3-A Seq DC/DC Conv 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 |
| TPS54380PWP | 功能描述:直流/直流開關調節器 3A Sync Buck Conver RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS54380PWPG4 | 功能描述:直流/直流開關調節器 3A Sync Buck Conver RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| TPS54380PWPR | 功能描述:直流/直流開關調節器 3A Sync Buck Conver RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
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