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| 型号： | TPS51317RGBR |
| 厂商： | Texas Instruments |
| 文件页数： | 1/28页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 6A 20VQFN |
| 标准包装： | 3,000 |
| 系列： | D-Cap+™ |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.6 V ~ 2 V |
| 输入电压： | 4.5 V ~ 6.5 V |
| PWM 型： | 混合物 |
| 频率 - 开关： | 800kHz，1MHz，1.2MHz，1.5MHz |
| 电流 - 输出： | 6A |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 20-VFQFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 20-VQFN（3.5x4.0） |
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SLUSAH9 – MARCH 2011
3.3-V/5-V Input, 6-A, D-CAP+ ? Mode Synchronous Step-Down Integrated FETs Converter
Check for Samples: TPS51317
1
FEATURES
DESCRIPTION
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2
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Integrated FETs Converter w/TI Proprietary
D-CAP+ ? Mode Architecture
Minimum External Components Count
The TPS51317 is a fully integrated synchronous buck
regulator employing D-CAP+ ? mode architechture. It
is used for 3.3-V and 5-V step-down systems where
space is a consideration, high-performance and
?
Support all MLCC Output Capacitor and
optimized
component
count
are
required.
The
SP/POSCAP
TPS51317 features four switching frequency settings
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?
?
?
?
?
Auto-Skip Mode and Ripple Reduction Mode
Optimized Efficiency at Light and Heavy Loads
Selectable 800-kHz, 1-MHz, 1.2-MHz and
1.5-MHz Frequency
Up to 6.0-V Conversion Voltage Range
Adjustable Output Voltage Range From 0.6 V
to 2 V
Small 3.5 mm × 4 mm, 20-Pin QFN Package
(up to 1.5 MHz), synchronous operation in SKIP,
droop support, external tracking support, pre-bias
startup, output soft discharge, integrated bootstrap
switch, power good function, enable function and
complete protection functions, and both output
ceramic and SP/POS capacitor support. It supports
supply and conversion voltages up to 6.0 V, and
output voltages adjustable from 0.6 V to 2.0V. The
TPS51317 is available in the 3.5 mm × 4 mm 20-pin
QFN package (Green RoHs compliant and Pb free)
and is specified from -40 ° C to 85 ° C.
APPLICATIONS
?
Low-Voltage Applications Stepping Down from
5-V or 3.3-V Rail
XXXX
XXXX
XXXX
XXXX
XXXX
TPS51317
VIN
VIN
BST 16
17 EN
SW
V OUT
8
7
COMP
VREF
PGOOD 19
PGND
PGOOD
VOUT 10
9
REFIN
PGND GND
MODE 18
GND GND
5VIN
PGND
20 V5IN
GND
6
GND
UDG-11041
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
D-CAP+ is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright ? 2011, Texas Instruments Incorporated
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TPS51317RGBT | 功能描述:直流/直流开关转换器 3.3V/5Vin,6A,DCAP Mode Sync Converter 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 |
| TPS51362RVER | 制造商:Texas Instruments 功能描述:22V INPUT, 10A INTEGRATED FET 制造商:Texas Instruments 功能描述:IC REG BUCK SYNC ADJ 10A 28VQFN |
| TPS51362RVET | 制造商:Texas Instruments 功能描述:22V INPUT, 10A INTEGRATED FET 制造商:Texas Instruments 功能描述:IC REG BUCK SYNC ADJ 10A 28VQFN |
| TPS51363 | 制造商:TI 制造商全称:Texas Instruments 功能描述:22-V Input, 8-A or 10-A Converter With Integrated FET |
| TPS51363RVER | 制造商:Texas Instruments 功能描述:Conv DC-DC Single Step Down 3V to 22V 28-Pin VQFN EP T/R 制造商:Texas Instruments 功能描述:IC REG BCK SYNC ADJ 10/8A 28VQFN |
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