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| 型号： | TPS54972PWP |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 16 A SWITCHING REGULATOR, 762 kHz SWITCHING FREQ-MAX, PDSO28 |
| 封装： | GREEN, PLASTIC, HTSSOP-28 |
| 文件页数： | 1/19页 |
| 文件大小： | 411K |
| 代理商： | TPS54972PWP |
6,4 mm x 9,7 mm
VIN
PH
BOOT
PGND
VSENSE
V(TTQ)
AGND
VBIAS
Input
TPS54972
COMP
Compensation
Network
REFIN
TRANSIENT RESPONSE
V(DDQ)
VI = 3.3 V
VO = 1.25 V
2.25 A to 6.75 A
–
Output
V
oltage
–
50
mV/div
V
O
t – Time – s/div
–
Output
Current
–
2
A/div
I O
TPS54972
www.ti.com
SLVS437B – AUGUST 2002 – REVISED AUGUST 2010
9-A OUTPUT, 3-V TO 4-V INPUT TRACKING/TERMINATION
SYNCHRONOUS PWM SWITCHER WITH INTEGRATED FETs (SWIFT)
1
FEATURES
DESCRIPTION
Tracks Externally Applied Reference Voltage
15-m
MOSFET Switches for High Efficiency
As a member of the SWIFT family of dc/dc
regulators,
the
TPS54972
low-input
voltage
at 9-A Continuous Output Source or Sink
high-output
current
synchronous-buck
PWM
Current
converter integrates all required active components.
6% to 90% VI Output Tracking Range
Included on the substrate with the listed features are
Wide PWM Frequency: Fixed 350 kHz or
a true, high performance, voltage error amplifier that
Adjustable 280 kHz to 700 kHz
enables
maximum
performance
under
transient
conditions and flexibility in choosing the output filter L
Load Protected by Peak Current Limit and
and C components; an under-voltage-lockout circuit
Thermal Shutdown
to prevent start-up until the input voltage reaches 3.0
Integrated Solution Reduces Board Area and
V; an internally set slow-start circuit to limit in-rush
Total Cost
currents; and a status output to indicate valid
operating conditions.
APPLICATIONS
The TPS54972 is available in a thermally enhanced
DDR Memory Termination Voltage
28-pin TSSOP (PWP) PowerPAD package, which
Active Termination of GTL and SSTL
eliminates bulky heatsinks. TI provides evaluation
High-Speed Logic Families
modules and the SWIFT designer software tool to aid
DAC Controlled High Current Output Stage
in quickly achieving high-performance power supply
designs to meet aggressive equipment development
Precision Point of Load Power Supply
cycles.
SIMPLIFIED SCHEMATIC
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.
PRODUCTION DATA information is current as of publication date.
Copyright 2002–2010, 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 |
|---|---|
| TPS54972PWPG4 | 功能描述:直流/直流开关调节器 9-A Act Bus Term/DDR DC/DC 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 |
| TPS54972PWPR | 功能描述:直流/直流开关调节器 9-A Act Bus Term/DDR DC/DC 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 |
| TPS54972PWPRG4 | 功能描述:直流/直流开关调节器 9-A Act Bus Term/DDR DC/DC 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 |
| TPS54973 | 制造商:TI 制造商全称:Texas Instruments 功能描述:3-V TO 4-V INPUT, 9-A OUTPUT SYNCHRONOUS BUCK SWITCHER WITH DISABLED SINKING DURING START-UP |
| TPS54973EVM-017 | 功能描述:电源管理IC开发工具 9-A DC/DC Conv 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 |
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