PT6670

PT6670 Series 5V/3.3V Input 20W Boost Integrated Switching Regulator SLTS039A (Revised 6/30/2000) Input Voltage Range: 3.1 to 3.6V 4.5 to 5.5V Adjustable Output Voltage 85% Efficiency Remote Sense Capability Soft Start The PT6670 is a series of high-output Integrated Switching Regulators (ISRs) designed to provide a voltage boost function. Housed in a 14-Pin SIP (Single In-line Package), the PT6670 series incorporates regulators for either a +3.3V or +5.0V input and provide output voltages from +5V to +12V. Applications include power for auxilliary circuits requiring up to 20W. Standard Application VOAdjust VIN REMOTE SENSE 14 1 PT66704,5,6 11,12,13 VOUT Pin-Out Information Pin Function 1 Remote Sense 2 Do not connect 3 Do not connect 4 Vin 5 Vin 6 Vin 7 GND Pin Function 8 GND 9 GND 10 GND 11 Vout 12 Vout 13 Vout 14 Vout Adjust + C1 GND 7,8,9,10 + C2 GND LOAD C1 = Required 560µF electrolytic (1) C2 = Required 560µF electrolytic (1) Pkg Style 400 PT6670 Note: Back surface is conducting metal. Ordering Information +3.3V Input +5V Input PT6671… PT6672… PT6673… — PT6675… PT6674… Vout +5.0 Volts +9.0 Volts +12.0 Volts PT Series Suffix (PT1234X) Case/Pin Configuration Vertical Through-Hole Horizontal Through-Hole Horizontal Surface Mount Heat Spreader P D E Preliminary Specifications Characteristics (Ta = 25°C unless noted) Output Current Symbols Io Input Voltage Range Inrush Current Output Voltage Tolerance Output Voltage Adjust Range Line ...