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...
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 ...
