Chopper Regulators
PQ1CF2
PQ1CF2
TO-220 Package Chopper Regulator
s Features
¡Maximum switching current : 1.5A ¡Built-...
Chopper Regulators
PQ1CF2
PQ1CF2
TO-220 Package Chopper Regulator
s Features
¡Maximum switching current : 1.5A ¡Built-in ON/OFF control function ¡Built-in soft start function ¡Built-in oscillation circuit (oscillation frequency : TYP.100kHz) ¡Built-in overheat protection, overcurrent protection function ¡TO-220 package ¡Variable output
voltage (1.26 to 35V/-1.26 to-30V) [Possible to choose step down output/inversing output according to external connection circuit]
s Outline Dimensions
(Unit : mm)
10.2MAX φ3.2±0.1
7.4±0.2 3.6±0.2
4.5±0.2 2.8±0.2
(24.6)
PQ1CF2 (1.5)
2.0
5.0±0.5
5-0.8±0.1
(0.5) 3.2±0.5
s Applications
¡Switching power supplies ¡Facsimiles ¡Printers ¡Personal computers
4-(1.7)
(5.0) 8.2±0.7
1 q2 q3 q4 q5 q
1 VIN 2 VOUT 3 COM 4 OADJ 5 ON/OFF control terminal (VC)
s Absolute Maximum Ratings
Parameter
*1
(Ta=25˚C) Symbol VIN VADJ Vi-o VOUT VC ISW PD1 PD2 Tj Topr Tstg Tsol Rating Unit 40 V 7 V 41 V -1 V -0.3 to 40 V 1.5 A 1.5 W 15 W 150 ˚C -20 to +80 ˚C -40 to +150 ˚C 260 (For 10s) ˚C
*2 *3
*4
Input
voltage Error input
voltage Input-output
voltage Output-COM
voltage ON/OFF control valtage 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 VOUT terminal and COM terminal.
Voltage between VC terminal and COM terminal. Overheat protection may operate at 125=
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