參數(shù)資料
型號(hào)： TPS54233DG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： 2 A SWITCHING REGULATOR, 390 kHz SWITCHING FREQ-MAX, PDSO8
封裝： GREEN, PLASTIC, MS-012AA, SOIC-8
文件頁(yè)數(shù)： 1/25頁(yè)
文件大?。?/td> 789K
代理商： TPS54233DG4
V
=3.3V
O
0
0.5
I
-OutputCurrent- A
O
95
100
Efficiency-%
V
=8V
IN
V
=12V
IN
V
=18V
IN
90
85
80
75
70
65
60
0.25
0.75
1
1.25
1.5
1.75
2
V
=15V
IN
PH
VIN
GND
BOOT
VSENSE
COMP
SS
C
SS
D1
VIN
VOUT
EN
TPS54233
C
I
C
BOOT
L
O
C
O
Ren1
R
O2
C
1
C
2
R
3
Ren2
R
O1
SLUS859B
– OCTOBER 2008 – REVISED FEBRUARY 2011
2A, 28V INPUT, STEP DOWN SWIFT
DC/DC CONVERTER WITH ECO-MODE
Check for Samples: TPS54233
1
FEATURES
APPLICATIONS
Consumer Applications such as Set-Top
2
3.5 V to 28 V Input Voltage Range
Boxes, CPE Equipment, LCD Displays,
Adjustable Output Voltage Down to 0.8 V
Peripherals, and Battery Chargers
Integrated 80 m
High Side MOSFET Supports
Industrial and Car Audio Power Supplies
up to 2A Continuous Output Current
5V, 12V and 24V Distributed Power Systems
High Efficiency at Light Loads with a Pulse
Skipping Eco-mode
DESCRIPTION
Fixed 300 kHz Switching Frequency
The TPS54233 is a 28 V, 2 A non-synchronous buck
Typical 1
μA 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
μA 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 TPS54233 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.
2008–2011, 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
TPS54233DR 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 28V,2A,300khZ Non- synch Buck 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(fēng)格:SMD/SMT
TPS54233DRG4 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 28V,2A,300khZ Non- Synch Buck 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(fēng)格:SMD/SMT
TPS54233EVM-373 功能描述:電源管理IC開發(fā)工具 TPS54233EVM-373 Eval Mod RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評(píng)估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
TPS54233-Q1 制造商:TI 制造商全稱:Texas Instruments 功能描述:2-A, 28-V INPUT, STEP-DOWN DC/DC CONVERTER WITH ECO-MODEa?￠
TPS54233QDRQ1 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 AC 3.5-28Vin,2A 300kHz SD Converter RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
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