PQ20VZ51

Low Power-Loss Voltage Regulators PQ20VZ51/PQ20VZ11 PQ20VZ51/PQ20VZ11 Variable Output, Surface Mount Type Low Power-Loss Voltage Regulators s Features ¡Low power-loss (Dropout voltage : 0.5V) ¡Compact surface mount package ¡ Both the 0.5A output P Q20VZ51 a nd the 1A output PQ20VZ11 have high-precision outputs (Reference voltage precision : ±2.0%) ¡Variable output type (Output voltage variable range : 1.5V to 20V) ¡Built-in ON-OFF control function ¡Low dissipation current at OFF-state (Iqs : MAX.5µA) ¡Tape packaged type is available. (φ330mm reel : 3 000pcs.,PQ20VZ5U/PQ20VZ1U) s Outline Dimensions 6.6MAX 5.2±0.5 3 2.3±0.5 (Unit : mm) (0.5) 9.7MAX 20VZ51 5.5±0.5 (1.7) (0to0.25) 0.5 +0.2 -0.1 2.5MIN (0.9) 4-(1.27) (0.5) s Applications ¡Car audio equipment ¡VCR 12345 Internal connection diagram 1 2 Specific IC 5 1 DC input (VIN) 2 ON/OFF control terminal (VC) 3 DC output (VO) 4 Output voltage minute adjustment terminal (VADJ) 5 GND Heat sink is common to 3 (VO). 3 4 s Absolute Maximum Ratings Parameter *1 *1 *1 (Ta=25˚C) Symbol VIN VC VADJ IO PD Tj Topr Tstg Tsol Rating Unit 24 V 24 V 7 V 0.5 A 1 W 8 ˚C 150 -20 to +80 ˚C -40 to +150 ˚C 260 (For 10s) ˚C *2 *3 *1 *2 *3 Input voltage Output contorol voltage Output adjustment terminal Voltage PQ20VZ51 Output current PQ20VZ11 Power dissipation (With infinite heat sink) Junction temperature Operating temperature Storage temperature Soldering temperature All are open except GND and applicable terminals. Overheat protection may operate at 125˚C=