PQ2CF1J0000H

Chopper Regulators PQ2CF1 PQ2CF1 TO-220 Package, Step Up Output Chopper Regulator ■ ■ Features Maximum switching current:2.5A Built-in soft start function ● Built-in oscillation circuit (oscillation frequency:TYP.50kHz) ● Built-in overheat protection,overcurrent protection function ● Variable output voltage(4.5 to 35V) [Possible to choose step up output / flyback method according to external connection circuit] (Unit : mm) Outline Dimensions ● 4.5±0.2 10.2MAX ● φ3.2±0.1 16.4±0.7 7.4±0.2 3.6±0.2 2.8±0.2 5–0.8±0.1 5.0±0.5 2.0 (1.5) (0.5) 3.2=0.5 ■ Applications (5.0) 4–(1.7) Personal computers / Word processors Printers ● Switching power supplies ● Facsimiles 4.4MIN (24.6) PQ2CF1 ● 8.2±0.7 ● 1 2 3 4 5 • ( ) : Typical value • Radius of lead forming portion : R=TYP.1.0 1 2 3 4 5 ■ Absolute Maximum Ratings Parameter ❇1 ❇2 ❇3 ❇4 ❇1 ❇2 ❇3 ❇4 Input voltage Switching voltage Error input voltage ON/OFF control voltage Switching current Power dissipation (No heat sink) Power dissipation (With infinite heat sink) Junction temperature Operating temperature Storage temperature Soldering temperature Voltage between VIN terminal and COM terminal Voltage between VSW terminal and COM terminal Voltage between VC terminal and COM terminal Overheat protection may operate at 125