Texas Instruments SLTS207C Data Sheet

查询PTH05020W供应商 PTH05020W —5-V Input

22-A, 5-V Input Non-Isolated

SLTS207C – MAY 2003 – REVISED DECEMBER 2003

Wide-Output Adjust Power Module

Features Up to 22 A Output Current Auto-Track™ Sequencing

5-V Input Voltage Output Over-Current Protection Wide-Output Voltage Adjust (Non-Latching, Auto-Reset)

(0.8 V to 3.6 V) Over-Temperature Protection

Efficiencies up to 96 % Operating Temp: –40 to +85 °C 155 W/in³ Power Density IPC Lead Free 2 On/Off Inhibit Safety Agency Approvals: Output Voltage Sense UL 1950, CSA 22.2 950, EN60950 NOMINAL SIZE = 1.5 in x 0.87 in Pre-Bias Startup VDE (Pending)

(38,1 mm x 22,1 mm)

Margin Up/Down Controls Point-of-Load Alliance (POLA) Compatible

Under-Voltage Lockout

Description Pin Configuration The PTH05020 series of non-isolated This series includes Auto-Track™. Pin Function power modules offers OEM designers a Auto-Track simplifies the task of supply GND Vin

combination of high performance, small voltage sequencing in a power system by

Inhibit *

footprint, and industry leading features. enabling modules to track each other, or

Vo Adjust

As part of a new class of power modules any external voltage, during power up and

Vo Sense

these products provide designers with the power down.

flexibility to power the most complex Other operating features include an

multi-processor digital systems using on/off inhibit, output voltage adjust (trim),

Track

off-the-shelf catalog parts. and margin up/down controls. To ensure Margin Down *

The series employs double-sided surface tight load regulation, an output voltage Margin Up * mount construction and provides high- sense is also provided. A non-latching

Denotes negative logic:

performance step-down power conversion over-current trip and over-temperature Open = Normal operation

for up to 22 A of output current from a shutdown provides load fault protection. Ground = Function active

5-V input bus voltage. The output volt- Target applications include complex

age of the PTH05020W can be set to multi-voltage, multi-processor systems any value over the range, 0.8 V to 3.6 V, that incorporate the industry’s high-speed using a single resistor. DSPs, micro-processors and bus drivers.

Auto-Track™ Sequencing

Standard Application

Rset Required to set the output voltage to a value higher than 0.8 V. (See spec. table for values)

Track

Cin Required electrolytic 1,000 µF Margin Down Cout Optional 330 µF electrolytic

Margin Up

PTH05020W (Top View)

VIN VOUT

Inhibit Vo Sense

CIN RSET (Required) COUT 1,000 µF 0.1 W, 1 % 330 µF

(Required) (Optional)

GND GND

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