參數(shù)資料
型號： TPS54331DG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： 2 A SWITCHING REGULATOR, 684 kHz SWITCHING FREQ-MAX, PDSO8
封裝： GREEN, PLASTIC, MS-012AA, SOIC-8
文件頁數(shù)： 1/27頁
文件大?。?/td> 794K
代理商： TPS54331DG4
0
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0.01
0.1
1
10
Efficiency-%
I -LoadCurrent- A
L
V
=3.3V
O
V =12V
I
V =18V
I
V =24V
I
V =28V
I
V =5V
I
PH
VIN
GND
BOOT
VSENSE
COMP
SS
C
SS
D1
VIN
VOUT
EN
TPS54331
C
I
C
BOOT
L
O
C
O
Ren1
R
O2
C
1
C
2
R
3
Ren2
R
O1
www.ti.com
SLVS839C – JULY 2008 – REVISED MARCH 2010
3A, 28V INPUT, STEP DOWN SWIFT DC/DC CONVERTER WITH ECO-MODE
Check for Samples: TPS54331
1
FEATURES
APPLICATIONS
Consumer Applications such as Set-Top
2
3.5V to 28V Input Voltage Range
Boxes, CPE Equipment, LCD Displays,
Adjustable Output Voltage Down to 0.8V
Peripherals, and Battery Chargers
Integrated 80 m
High Side MOSFET Supports
Industrial and Car Audio Power Supplies
up to 3A Continuous Output Current
5V, 12V and 24V Distributed Power Systems
High Efficiency at Light Loads with a Pulse
Skipping Eco-mode
DESCRIPTION
Fixed 570kHz Switching Frequency
The TPS54331 is a 28-V, 3-A non-synchronous buck
Typical 1mA Shutdown Quiescent Current
converter that integrates a low RDS(on) high side
Adjustable Slow Start Limits Inrush Currents
MOSFET. To increase efficiency at light loads, a
pulse skipping Eco-mode feature is automatically
Programmable UVLO Threshold
activated. Furthermore, the 1 mA shutdown supply
Overvoltage Transient Protection
current allows the device to be used in battery
Cycle-by-Cycle Current Limit, Frequency Fold
powered applications. Current mode control with
Back and Thermal Shutdown Protection
internal slope compensation simplifies the external
compensation calculations and reduces component
Available in Easy-to-Use SOIC8 Package
count while allowing the use of ceramic output
Supported by SwitcherPro Software Tool
capacitors. A resistor divider programs the hysteresis
of the input under-voltage lockout. An overvoltage
transient protection circuit limits voltage overshoots
during startup and transient conditions. A cycle by
For SWIFT Documentation, See the TI
cycle current limit scheme, frequency fold back and
Website at www.ti.com/swift
thermal shutdown protect the device and the load in
the event of an overload condition. The TPS54331 is
available in an 8-pin SOIC package that has been
internally optimized to improve thermal performance.
SIMPLIFIED SCHEMATIC
EFFICIENCY
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, Eco-mode, SwitcherPro, PowerPAD are trademarks of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Copyright 2008–2010, 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
TPS54331DR 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 3A 28V In Step Down SWIFT DC/DC Cnvrtr RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
TPS54331DRG4 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 26V,3A DC-DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
TPS54331DR-P 制造商:Rochester Electronics LLC 功能描述: 制造商:Texas Instruments 功能描述:
TPS54331EVM-232 功能描述:電源管理IC開發(fā)工具 SWIFT Cnvrtr Eval Mod RoHS:否 制造商:Maxim Integrated 產(chǎn)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
TPS54331EVM-232 制造商:Texas Instruments 功能描述:DEVELOPMENT TOOL
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