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參數資料
| 型號： | TPS54232D |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | SWITCHING REGULATOR, 1200 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | GREEN, PLASTIC, MS-012AA, SOIC-8 |
| 文件頁數： | 1/24頁 |
| 文件大小： | 601K |
| 代理商： | TPS54232D |
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SLVS876B
– NOVEMBER 2008 – REVISED FEBRUARY 2011
2A, 28V, 1MHz, STEP DOWN SWIFT
DC/DC CONVERTER WITH ECO-MODE
Check for Samples: TPS54232
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 2 A Continuous Output Current
5V, 12V and 24V Distributed Power Systems
High Efficiency at Light Loads with a Pulse
Skipping Eco-mode
DESCRIPTION
Fixed 1 MHz Switching Frequency
The TPS54232 is a 28 V, 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
Cycl-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 8-Pin SOIC 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 TPS54232 is
available in an 8-pin SOIC package.
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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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS54232D | 制造商:Texas Instruments 功能描述:Switching Regulator IC 制造商:Texas Instruments 功能描述:IC, STEP-DOWN DC/DC CONVERTER, 8-SOIC |
| TPS54232DR | 功能描述:直流/直流開關調節器 2A,28V,1MHz Step Down SWIFT DC/DC 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 |
| TPS54232EVM-415 | 功能描述:電源管理IC開發工具 SWIFT Converter Eval 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 |
| TPS54233 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:2A, 28V INPUT, STEP DOWN SWIFT? DC/DC CONVERTER WITH ECO-MODE? |
| TPS54233D | 功能描述:直流/直流開關調節器 28V,2A,300khZ Non- synch Buck 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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