Low Power-Loss Voltage Regulators
PQ20RX05/PQ20RX11
PQ20RX05/PQ20RX11
Variable Output Type Low Power-Loss Voltage Regulator with ON/OFF Control Function
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Features
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Outline Dimensions
10.2MAX 4.5
(Unit : mm)
Low power-loss (Dropout voltage: MAX. 0.5V) q Compact resin full mold package (Equivalent to TO-220) q With built-in ON/OFF control function q Variable output voltage (setting range: 3.0 to 20V) q 0.5A output (PQ20RX05) 1.0A output (PQ20RX11) q Reference voltage precision: ±2.5% q With built-in overcurrent protection, overheat protection, ASO protection circuit
ASO: Area of Safety Operation
2.8
7.4 ± 0.2
φ 3.2 ±0.1 PQ20RX11 Epoxy resin
(1.5 ) 0.8
4 –( 1.7 )
(5.0 ) 3.2 ± 0.5 8.2 ± 0.7
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Applications
Power supplies for various electronic equipment such as AV, OA equipment q CRT displays
1
23
4
5
Internal connection diagram
1 3 1 2 3 4 5
Specific IC
2 5 4
DC input (VIN ) ON/OFF control terminal( Vc ) DC output ( Vo ) Output voltage adjustment terminal( VADJ ) GND
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Absolute Maximum Ratings
Symbol VIN Vc VADJ Io PD1 PD2 Tj Topr Tstg Tsol Rating 24 24 7 0.5 1 1.5(PQ20RX11),1.25(PQ20RX05) 15(PQ20RX11),10(PQ20RX05) 150 –20 to +80 –40 to +150 260(for 10s)
(Ta=25˚C) Unit V V V A W ˚C ˚C ˚C ˚C
Parameter ❇1 Input voltage ❇1 ON/OFF control terminal voltage ❇1 Output adjustment terminal voltage PQ20RX05 Output current PQ20RX11
❇2 ❇3
Power dissipation Junction temperature Operating temperature Storage temperature Soldering temperature
❇1 ❇2 ❇3
All are open except GND and applicable terminals. PD1: No heat sink, PD2: With infinite heat sink Overheat protection may operate at 125
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