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PTH05020W

更新时间： 2024-11-08 22:26:11
品牌 Logo 应用领域
德州仪器 - TI 电源电路
页数 文件大小 规格书
17页 513K
描述
22-A, 5-V Input Non-Isolated Wide-Output Adjust Power Module

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PTH05020W 数据手册

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PTH05020W —5-V Input  
22-A, 5-V Input Non-Isolated  
Wide-Output Adjust Power Module  
SLTS207C – MAY 2003 – REVISED DECEMBER 2003  
Features  
• Up to 22 A Output Current  
• 5-V Input Voltage  
• Wide-Output Voltage Adjust  
(0.8 V to 3.6 V)  
• Efficiencies up to 96 %  
• 155 W/in³ Power Density  
• On/Off Inhibit  
• Output Voltage Sense  
• Pre-Bias Startup  
• Margin Up/Down Controls  
• Under-Voltage Lockout  
• Auto-Track™ Sequencing  
• Output Over-Current Protection  
(Non-Latching, Auto-Reset)  
• Over-Temperature Protection  
• Operating Temp: –40 to +85 °C  
• IPC Lead Free 2  
• Safety Agency Approvals:  
UL 1950, CSA 22.2 950, EN60950  
VDE (Pending)  
NOMINAL SIZE =  
1.5 in x 0.87 in  
(38,1 mm x 22,1 mm)  
• Point-of-Load Alliance (POLA)  
Compatible  
Pin Configuration  
Pin Function  
Description  
This series includes Auto-Track™.  
Auto-Track simplifies the task of supply  
voltage sequencing in a power system by  
enabling modules to track each other, or  
any external voltage, during power up and  
power down.  
Other operating features include an  
on/off inhibit, output voltage adjust (trim),  
and margin up/down controls. To ensure  
tight load regulation, an output voltage  
sense is also provided. A non-latching  
over-current trip and over-temperature  
shutdown provides load fault protection.  
Target applications include complex  
multi-voltage, multi-processor systems  
that incorporate the industry’s high-speed  
DSPs, micro-processors and bus drivers.  
The PTH05020 series of non-isolated  
power modules offers OEM designers a  
combination of high performance, small  
footprint, and industry leading features.  
As part of a new class of power modules  
these products provide designers with the  
flexibility to power the most complex  
multi-processor digital systems using  
off-the-shelf catalog parts.  
The series employs double-sided surface  
mount construction and provides high-  
performance step-down power conversion  
for up to 22 A of output current from a  
5-V input bus voltage. The output volt-  
age of the PTH05020W can be set to  
any value over the range, 0.8 V to 3.6 V,  
using a single resistor.  
1
2
3
4
5
6
7
8
9
GND  
Vin  
Inhibit *  
Vo Adjust  
Vo Sense  
Vout  
GND  
Track  
Margin Down *  
10 Margin Up *  
*
Denotes negative logic:  
Open  
= Normal operation  
Ground = Function active  
Standard Application  
Rset = Required to set the output voltage to a value  
higher than 0.8 V. (See spec. table for values)  
Track  
C
C
= Required electrolytic 1,000 µF  
= Optional 330 µF electrolytic  
in  
out  
Margin Down  
Margin Up  
10  
9
8
1
7
6
PTH05020W  
(Top View)  
VIN  
VOUT  
2
3
4
5
Inhibit  
Vo Sense  
L
O
A
D
RSET (Required)  
0.1 W, 1 %  
+
+
COUT  
330 µF  
CIN  
1,000 µF  
(Required)  
(Optional)  
GND  
GND  
For technical support and further information, visit http://power.ti.com  
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PTH05020W 替代型号

型号 品牌 替代类型 描述 数据表
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