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| 型号： | TPS54073PWPR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 25 A SWITCHING REGULATOR, 762 kHz SWITCHING FREQ-MAX, PDSO28 |
| 封装： | GREEN, PLASTIC, HTSSOP-28 |
| 文件页数： | 1/26页 |
| 文件大小： | 850K |
| 代理商： | TPS54073PWPR |
6,4 mm X 9,7 mm
Typical Size
1
FEATURES
DESCRIPTION
APPLICATIONS
PVIN
PH
BOOT
PGND
VSENSE
Output
COMP
AGND
VBIAS
Voltage
Input1
TPS54073
*
* Optional
TYPICAL APPLICATION
R =1.5
L
W
V
=1.5V
(core)
VI/O =3.3V
500mV/div
t-Time-5ms/div
START-UP WAVEFORM
WITH3PRECHARGEDIODES
VIN
Voltage
Input2
www.ti.com ............................................................................................................................................................................................ SLVS547 – FEBRUARY 2005
2.2 – 4 -V, 14-A SYNCHRONOUS BUCK CONVERTER
WITH DISABLED SINKING DURING START-UP
2
8-m MOSFET Switches for High Efficiency at
14.5-A Peak Output Current
As a member of the SWIFTfamily of dc/dc
regulators,
the
TPS54073
low-input
voltage
Separate Low-Voltage Power Bus
high-output
current
synchronous
buck
PWM
Disabled Current Sinking During Start-Up
converter integrates all required active components.
Adjustable Output Voltage Down to 0.9 V
Included on the substrate with the listed features are
Wide PWM Frequency: Fixed 350 kHz, 550 kHz
a true, high performance, voltage error amplifier that
enables maximum performance and flexibility in
or Adjustable 280 kHz to 700 kHz
choosing the output filter L and C components; an
Synchronizable to 700 kHz
undervoltage-lockout circuit to prevent start-up until
Load Protected by Peak Current Limit and
the input voltage reaches 3 V; an internally or
Thermal Shutdown
externally
set
slow-start
circuit
to
limit
in-rush
currents; and a power good output useful for
Integrated Solution Reduces Board Area and
processor/logic reset, fault signaling, and supply
Total Cost
sequencing.
For
reliable
power
up
in
output
precharge
applications, the TPS54073 is designed to only
Low-Voltage, High-Density Distributed Power
source current during start-up.
Systems
Point of Load Regulation for High-
The TPS54073 is available in a thermally enhanced
Performance DSPs, FPGAs, ASICs, and
28-pin TSSOP (PWP) PowerPAD package, which
Microprocessors
eliminates bulky heatsinks. TI provides evaluation
Broadband, Networking, and Optical
modules and the SWIFT designer software tool to
Communications Infrastructure
aid in quickly achieving high-performance power
supply
designs
to
meet
aggressive
equipment
Power PC Series Processors
development cycles
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 2005, 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 |
|---|---|
| TPS54073PWPRG4 | 功能描述:直流/直流开关调节器 2.2V-4.0V 14A Sync Buck Converter 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 |
| TPS5410 | 制造商:TI 制造商全称:Texas Instruments 功能描述:1-A, WIDE INPUT RANGE, STEP-DOWN SWIFT CONVERTER |
| TPS5410D | 功能描述:直流/直流开关调节器 5.5V to 36V Input 1A Step Down Conv 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 |
| TPS5410DG4 | 功能描述:直流/直流开关调节器 5.5V to 36V Input 1A Step Down Conv 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 |
| TPS5410DR | 功能描述:直流/直流开关调节器 5.5V-36V Input 1A Step Down Converter 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 |
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