BA3257FPHFP

Dual Low Drop Out Regulator BA3257FP/HFP Description BA3257FP/HFP is a power supply IC in which 2-output series regulators are incorporated into a power package (TO252-5/HRP-5). 2-outputs are 3.3V and a variable output.(Above 1.5V can be set.) Each current is 1A. Ceramic capacitor is available for output. Dimension (Unit : mm) BA3257FP 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 Variable(1.25V standard)/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 BA3257HFP 9.39±0.125 8.82±0.1 (5.59) 1.905±0.1 (7.49) 2.5 + 5.5° 4.5° − 4.5° + 0.1 0.27 − 0.05 1 2 3 4 5 9.5±0.5 2 3 4 5 S Applications HDD/DVD 1.2575 1 0.08±0.05 1.72 0.73±0.1 D 0 .0 8 S HRP-5 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 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 0.835±0.2 1.523±0.15 ...