Chopper Regulators
PQ1CF1
PQ1CF1
TO-220 Package Chopper Regulator
s Features
¡Maximum switching current : 3.5A ¡With O...
Chopper
Regulators
PQ1CF1
PQ1CF1
TO-220 Package Chopper
Regulator
s Features
¡Maximum switching current : 3.5A ¡With ON/OFF control function ¡Built-in oscillation circuit (oscillation frequency : TYP.70kHz) ¡Built-in overheat protection, overcurrent protection function ¡Variable output voltage (1.26 to 35V /-1.26 to -30V) [Possible to choose step down output/inversing output according to external connection circuit]
(24.6)
s Outline Dimensions
(Unit : mm)
10.2MAX φ3.2±0.1
4.5±0.2 2.8±0.2
7.4±0.2
3.6±0.2
PQ1CF1 (1.5)
2.0
¡Facsimiles ¡Printers ¡Switching power supplies ¡Personal computers
5-0.8±0.1
(0.5) 3.2±0.5
4-(1.7)
(5.0) 8.2±0.7
1 q2 q3 q4 q5 q 1 VIN 2 VOUT 3 COM 4 OADJ 5 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 40 7 41 -1 -0.3 to 40 3.5 1.5 15 150 -20 to +80 -40 to +150 260 (For 10s) Unit V V V V V A W W ˚C ˚C ˚C ˚C
*2 *3
*4
Input voltage Error input voltage Input-output voltage Output-COM voltage ON/OFF control voltage Switching current terminal voltage Power dissipation (No heat sink) Power dissipation (With infinite heat sink) Junction temperature Operating temperature Storage temperature Soldering temperature
*1 *2 *3 *4
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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