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| 型号： | TPS54331QDRQ1 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 2 A SWITCHING REGULATOR, 684 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封装： | GREEN, PLASTIC, DSO-8 |
| 文件页数： | 1/25页 |
| 文件大小： | 735K |
| 代理商： | TPS54331QDRQ1 |
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www.ti.com
SLVSAB5 – NOVEMBER 2010
3-A, 28-V INPUT, STEP-DOWN SWIFT DC/DC CONVERTER WITH Eco-Mode
Check for Samples: TPS54331-Q1
1
FEATURES
APPLICATIONS
Consumer Applications such as Set-Top
2
Qualified for Automotive Applications
Boxes, CPE Equipment, LCD Displays,
3.5V to 28V Input Voltage Range
Peripherals, and Battery Chargers
Adjustable Output Voltage Down to 0.8V
Industrial and Car Audio Power Supplies
Integrated 80 m
High Side MOSFET Supports
5-V, 12-V and 24-V Distributed Power Systems
up to 3A Continuous Output Current
High Efficiency at Light Loads with Pulse
DESCRIPTION
Skipping Eco-mode Control
The TPS54331 is a 28-V, 3-A non-synchronous buck
Fixed 570kHz Switching Frequency
converter that integrates a low RDS(on) high side
Typical 1mA Shutdown Quiescent Current
MOSFET. To increase efficiency at light loads, a
pulse skipping Eco-mode feature is automatically
Adjustable Slow Start Limits Inrush Currents
activated. Furthermore, the 1 mA shutdown supply
Programmable UVLO Threshold
current allows the device to be used in battery
Overvoltage Transient Protection
powered applications. Current mode control with
internal slope compensation simplifies the external
Cycle-by-Cycle Current Limit, Frequency Fold
compensation calculations and reduces component
Back and Thermal Shutdown Protection
count while allowing the use of ceramic output
Available in Easy-to-Use SOIC8 Package
capacitors. A resistor divider programs the hysteresis
Supported by SwitcherPro Software Tool
of the input under-voltage lockout. An overvoltage
transient protection circuit limits voltage overshoots
during startup and transient conditions. A cycle by
cycle current limit scheme, frequency fold back and
For SWIFT Documentation, See the TI
thermal shutdown protect the device and the load in
Website at www.ti.com/swift
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 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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相关代理商/技术参数 |
参数描述 |
|---|---|
| TPS54332 | 制造商:TI 制造商全称:Texas Instruments 功能描述:3.5A, 28V, 1MHz, STEP DOWN DC/DC CONVERTER WITH Eco-modea?￠ |
| TPS54332DDA | 功能描述:直流/直流开关调节器 DC/DC Converter with Eco-mode RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| TPS54332DDAR | 功能描述:直流/直流开关转换器 DC/DC Converter with Eco-mode RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| TPS54332EVM-416 | 功能描述:电源管理IC开发工具 5-15V,3A,SWIFT Buck Converter Eval Mod RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| TPS54334DDA | 功能描述:Buck Switching Regulator IC Positive Adjustable 0.8V 1 Output 3A 8-PowerSOIC (0.154", 3.90mm Width) 制造商:texas instruments 系列:- 包装:管件 零件状态:有效 功能:降压 输出配置:正 拓扑:降压 输出类型:可调式 输出数:1 电压 - 输入（最小值）:4.2V 电压 - 输入（最大值）:28V 电压 - 输出（最小值/固定）:0.8V 电压 - 输出（最大值）:24V 电流 - 输出:3A 频率 - 开关:570kHz 同步整流器:是 工作温度:-40°C ~ 150°C（TJ） 安装类型:表面贴装 封装/外壳:8-PowerSOIC（0.154"，3.90mm 宽） 供应商器件封装:8-SO PowerPad 标准包装:75 |
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