参数资料
型号: TPS54073PWP
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: 2/26页
文件大小: 850K
代理商: TPS54073PWP
ConnecttoOptional
PrechargeVoltage
DESIGN PROCEDURE
DESIGN PARAMETERS
SLVS547 – FEBRUARY 2005 ............................................................................................................................................................................................ www.ti.com
Figure 12. Application Circuit, 3.3 V to 1.5 V
shows
the
schematic
for
a
typical
Output voltage
TPS54073 application. The TPS54073 provides up to
Input ripple voltage
14-A output current at a nominal output voltage of
Output ripple voltage
1.5 V. Nominal input voltages are 3.3 V for PVIN, and
Output current rating
3.3 V for VIN. For proper thermal performance, the
Operating frequency
exposed PowerPAD underneath the device must be
soldered to the printed-circuit board.
For this design example, use the following as the
input parameters:
The following design procedure is used to select
component values for the TPS54073. Alternately, the
DESIGN PARAMETER
EXAMPLE VALUE
SWIFT Designer Software is used to generate a
Input voltage (VIN)
3.3 V
complete design. The SWIFT Designer Software uses
Input voltage range (PVIN)
2.2 to 3.5 V
an iterative design procedure and
accesses
a
Output voltage
1.5 V
comprehensive
database
of
components
when
generating
a
design.
This
section
presents
a
Input ripple voltage
350 mV
simplified discussion of the design process.
Output ripple voltage
20 mV
Output current rating
14 A
Operating frequency
700 kHz
To begin the design process, a few parameters must
be decided. The designer needs to know:
Input voltage range
10
Copyright 2005, Texas Instruments Incorporated
Product Folder Link(s): TPS54073
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TPS54073PWPG4 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
TPS54073PWPR 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
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