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| 型号： | TPS54672PWPG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 12 A SWITCHING REGULATOR, 700 kHz SWITCHING FREQ-MAX, PDSO28 |
| 封装： | GREEN, PLASTIC, HTSSOP-28 |
| 文件页数： | 1/20页 |
| 文件大小： | 553K |
| 代理商： | TPS54672PWPG4 |
TPS54672
SLVS397C JULY 2001 REVISED FEBRUARY 2005
6A OUTPUT ACTIVE BUS TERMINATION SYNCHRONOUS PWM
SWITCHER WITH INTEGRATED FETs (SWIFT)
Typical Size
(6,4 mm X 9,7 mm )
FEATURES
D Tracks Externally Applied Reference Voltage
D 30-m, 12-A Peak MOSFET Switches for High
Efficiency at 6-A Continuous Output Source
or Sink Current
D 6% to 90% VIN Output Tracking Range
D PWM Frequency Range:
Fixed 350 kHz or Adjustable 280 to 700 kHz
D Load Protected by Peak Current Limit and
Thermal Shutdown
D Integrated Solution Reduces Board Area and
Component Count
APPLICATIONS
D DDR Memory Termination Voltage
D Active Termination of GTL and STL
High-Speed Logic Families
D DAC Controlled High Current Output Stage
D Precision Point of Load Power Supply
DESCRIPTION
As a member of the SWIFT
family of dc/dc regulators, the
TPS54672 active bus termination synchronous PWM
converter integrates all required active components.
Included on the substrate with the listed features are a true,
high performance, voltage error amplifier that enables
maximum performance and flexibility in choosing the
output filter L and C components; an under-voltage-
lockout circuit to prevent start-up until the input voltage
reaches 3 V; a slow-start control to limit in-rush currents;
and a status output to indicate valid operating conditions.
The TPS54672 is available in a thermally enhanced 28-pin
TSSOP (PWP) PowerPAD
package, which eliminates
bulky heatsinks. TI provides evaluation modules and the
SWIFT
designer software tool to aid in quickly achieving
high-performance
power
supply
designs
to
meet
aggressive equipment development cycles.
SIMPLIFIED SCHEMATIC
VIN
PH
CBOOT
COUT
BOOT
PGND
VSENSE
0.56
H
VTTQ
COMP
AGND
VBIAS
CBIAS
CIN
Input Voltage
3 V 6 V
TPS54672
Typical DDR Memory Termination Regulator Circuit
REFIN
VDDQ
ENA
LOAD TRANSIENT RESPONSE
10
s/div
Output Voltage
(50 mV/div AC Coupled)
Output Current
(2A/div)
PRODUCT PREVIEW information concerns products in the formative or design
phase of development. Characteristic data and other specifications are design
goals. Texas Instruments reserves the right to change or discontinue these
products without notice.
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.
www.ti.com
Copyright
20012005, Texas Instruments Incorporated
PowerPAD and SWIFT are trademarks of Texas Instruments.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TPS54672PWPR | 功能描述:直流/直流开关调节器 6-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 |
| TPS54672PWPR | 制造商:Texas Instruments 功能描述:IC SYNC PWM SWITCHER |
| TPS54672PWPRG4 | 功能描述:直流/直流开关调节器 6-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 |
| TPS54672PWRG4 | 制造商:Texas Instruments 功能描述: |
| TPS54673 | 制造商:TI 制造商全称:Texas Instruments 功能描述:3-V TO 6-V INPUT, 6-A OUTPUT SYNCHRONOUS BUCK PWM SWITCHER WITH INTEGRATED FETs |
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