Texas Instruments SLTS206C Data Sheet

查询PTH03020W供应商 PTH03020W —3.3-V Input

22-A, 3.3-V Input Non-Isolated

SLTS206C – MAY 2003 – REVISED DECEMBER 2003

Wide-Output Adjust Power Module

Features Up to 22-A Output Current Auto-Track™ Sequencing 3.3-V Input Voltage Output Over-Current Protection

Wide-Output Voltage Adjust (Non-Latching, Auto-Reset)

(0.8 V to 2.5 V) Over-Temperature Protection Efficiencies up to 93 % Operating Temp: –40 to +85 °C 120 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 VDE (Pending)

Pre-Bias Startup

(38,1 mm x 22,1 mm)

Margin Up/Down Controls Point-of-load Alliance (POLA) Under-Voltage Lockout Compatible

Description Pin Configuration

The PTH03020 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 combination of high performance, small voltage sequencing in a power system by Vin 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-tempterature

Open = Normal operation for up to 22 A of output current from a shutdown provide load fault protection. Ground = Function active

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

age of the PTH03020W can be set to multi-voltage, multi-processor systems any value over the range, 0.8 V to 2.5 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 Track higher than 0.8 V. (See spec. table for values) Cin Required electrolytic 1,000 µF Margin Down Cout Recommended 330 µF electrolytic

Margin Up

PTH03020W (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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