PT6645

PT6640 Series 24W 12V Input Positive to Negative Voltage Converter SLTS037A (Revised 6/30/2000) Wide Input Voltage Range: +8V to +25V Negative Output: –2.5V/4A to –15V/1.5A Adjustable Output Voltage 85% Efficiency Remote Sense Capability The PT6640 series is a positive input to negative output line of Integrated Switching Regulators (ISRs). Designed for general purpose applications, the PT6640 series delivers a negative output voltage at up to 24W. The PT6640 is packaged in a 14-Pin SIP (Single In-line Package) and is available in a surface-mount configuration. Standard Application PT6640VIN 4,5,6 7,8,9,10 -VOUT + C1 11,12,13 1 C2 LOAD + COM COM REMOTE SENSE C1 = Required 560µF electrolytic C2 = Required 330µF electrolytic Specifications Characteristics (Ta = 25°C unless noted) Output Current Symbols Io Input Voltage Range Vin Output Voltage Tolerance Output Voltage Adjust Range ∆Vo Voadj Line Regulation Load Regulation Vo Ripple/Noise Transient Response with C2 = 330µF Efficiency Regline Regload Vn ttr Vos η Pin-Out Information 1 Remote Sense 2 Do Not Connect 3 Do Not Connect 4 +Vin 5 +Vin 6 +Vin 7 –Vout 8 –Vout 9 –Vout 10 –Vout 11 GND 12 GND 13 GND 14 Vout Adjust Ordering Information PT6641 = –3.3 Volts PT6642 = –5.0 Volts PT6643 = –12.0 Volts PT6644 = –9.0 Volts PT6645 = –15.0 Volts PT6646 = –2.5 Volts PT Series Suffix (PT1234X) Case/Pin Configuration Heat Spreader Vertical Through-Hole P Horizontal Through-Hole D Horizontal Surfac...