Low Power-Loss Voltage Regulators
PQ05RD21 Series/PQ3RD23
PQ05RD21 Series/PQ3RD23
2.0A Output Type Low Power-Loss Voltage Regulator
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q q
Features
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Outline Dimensions
10.2MAX. 4 – (φ1.4)
3.6±0.2
(Unit : mm)
4.5±0.2 2.8±0.2
PQ05RD21
29.1MAX.
Epoxy resin ( 1.5 )
13.5MIN.
4 – 1.4±0.3 0 4 – 0.6± 0.2 0.1
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Applications
Power supplies for various electronic equipment such as AV, OA equipment
3 – ( 2.54 )
( 0.5 )
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Model Line-ups
3.3V output 5.0V output 9.0V output 12.0V output 2.0A output PQ3RD23 PQ05RD21 PQ09RD21 PQ12RD21
1 2 3 4
( ) : Typical dimensions
Internal connection diagram
1 2 1 2 3 4
Specific IC
4 3
DC input(VIN ) DC output ( Vo ) GND ON/OFF control terminal( Vc )
(Ta=25˚C) Parameter ❇1 Input voltage ❇1 ON/OFF control terminal voltage Output current
❇2 Power
dissipation
❇3 Junction
temperature Operating temperature Storage temperature Soldering temperature
Symbol VIN VC IO PD1 PD2 Tj Topr Tstg Tsol
Rating 20 20 2.0 1.4 15 150 –20 to +80 –40 to +150 260 (For 10s)
Unit V V A W W ˚C ˚C ˚C ˚C
All are open except GND and applicable terminals. PD1: No heat sink, PD2: With infinite heat sink ❇3 Overheat protection may operate at 125
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