20WZ51

Low Power-Loss Voltage Regulators PQ20WZ51/PQ20WZ11 PQ20WZ51/PQ20WZ11 Variable Output, General Purpose, Surface Mount Type Low Power-Loss Voltage Regulator s q Features s Outline Dimensions 6.6 MAX. 5.2 ± 0.5 2.3 ± 0.5 (Unit : mm) Low power-loss (Dropout voltage : MAX. 0.5V) q Surface mount package (equivalent to SC-63) q Variable output voltage (3.0 to 20V) q Output current (0.5A : PQ20WZ51) (1.0A : PQ20WZ11) q Reference voltage precision : ±2.5% q Built-in ON/OFF control function q Low dissipation current at OFF-state (Iqs : MAX. 5µA) www.DataSheet4U.com q Built-in overcurrent, overheat protection functions, ASO protection circuit q Available tape-packaged products (ø330mm reel : 3 000 pcs., PQ20WZ5U/1U) ( 0.5 ) 3 9.7 MAX. 5.5 ± 0.5 Model No. Epoxy resin ( 1.7 ) 2.5 MIN. 0.5± 0.2 0.1 4 – ( 1.27 ) ( 0.5 ) ( 0.9 ) s q Applications 1 2 3 4 5 Personal computers q CD-ROM drives q Power supplies for various OA equipment Internal connection diagram 1 3 Specific IC 2 5 4 DC input(VIN ) ON/OFF control terminal( Vc ) DC output ( Vo ) Output voltage adjustment terminal (VADJ ) GND Heat sink is common to terminal 3 ( Vo ) 1 2 3 4 5 s Absolute Maximum Ratings Parameter Symbol VIN Vc VADJ Io PD Tj Topr Tstg Tsol Rating PQ20WZ51 PQ20WZ11 24 24 5 1.0 0.5 8 150 –20 to +80 –40 to +150 260 (Ta=25˚C) Unit V V V A W ˚C ˚C ˚C ˚C ❇1 Input voltage control terminal voltage ❇1 Output adjustment terminal voltage Output current Power dissipation(with infinite heat sink)...