BA3258FP

Dual Low Drop Out Regulator BA3258FP/HFP Description Dimension (Unit : mm) BA3258FP 1.5±0.2 6.5±0.2 +0.2 5.1−0.1 2-C0.5 2.3±0.2 0.5±0.1 Ceramic Capacitor Available 5.5±0.2 1.5 0.8 0.5 1.27 0.5±0.1 1.0±0.2 1.017±0.2 Features 1) 3.3V/1A and 1.5V/1A 2) Output ceramic capacitor available 3) Output voltage accuracy :+/-2% 4) Built-in over-current and thermal protection circuit 5) TO252-5 package and HRP-5 package TO252-5 BA3258HFP 9.39±0.125 8.82±0.1 (5.59) 1.905±0.1 (7.49) 2.5 1 2 3 4 5 9.5±0.5 Applications HDD/DVD 1.2575 1 2 3 4 5 4.5° 0.27 S + 5.5° − 4.5° + 0.1 − 0.05 0.08±0.05 1.72 0.73±0.1 D 0 .0 8 S Absolute Maximum Ratings (Ta=25˚C) Parameter Power supply voltage Power dissipation HRP-5 TO252-5 Symbol VCC Pd Topr Tstg 0 -55 Limits 15 2300 1300 ~ ~ +85 +150 ∗1 ∗2 HRP-5 Unit V mW Operating temperature range Storage temperature range ∗1 Derating : 18.4mW/˚C for operation above Ta=25˚C PCB (70mmx70mm, t=1.6mm) glass epoxy mounting. ∗2 Derating : 10.4mW/˚C for operation above Ta=25˚C PCB (70mmx70mm, t=1.6mm) glass epoxy mounting. ˚C ˚C Recommended Operating Conditions (Ta=25˚C) Parameter Symbol VCC Min. Power supply voltage 4.75 Typ. - Max. 14.0 Unit V 1.523±0.15 0.835±0.2 10.54±0.13 8.0±0.13 Electrical characteristics (Unless otherwise noted; Ta=25˚C, Vcc=5V) Parameter Circuit current Line regulation 1,2 Load regulation 1,2 [3.3V output] Output voltage Dropout voltage Output current [1.5V output] Output voltage Output current Symbol Ib ∆VLINE1,2 ∆VLOAD1,2 Vo1 ∆VD1 Io1 Vo2 Io2 Min. 3.234 1.0 1.470 1.0 Typ. 3 5 5 3.300 1.1 1.500 Max. 5 15 20 3.366 1.3 1.530 Unit mA mV mV V V A V A Io2=50mA Vcc=4.75 Io=5mA Io1=50mA Io1=1A Conditions Io1=0mA, Io2=0mA 14V, Io=5mA 1A Application Circuit VO1 5 Current Limit CO1 1 µF 3.3V OUT GND FIN Current Limit Thermal Shutdown VO2 4 2 VO2_S CO2 1 µF 1.5V OUT VREF BA3258FP/HFP 1 CIN 3.3µF VIN