Rainbow-electronics BA3257FP_HFP Manual de usuario descargar pdf

Description

Features

Applications

HDD/DVD

Dimension (Unit : mm)

BA3257FP

BA3257HFP

TO252-5

HRP-5

6.5±0.2

3 54

0.8

0.5

1.27

0.5±0.1

1.5

2.5

9.5±0.5

2.3

0.2

0.5±0.1

5.1

+0.2

−0.1

2-C0.5

5.5±0.2

1.0±0.2

1.5±0.2

9.39±0.125

0.73±0.1

0.27

1.905±0.1

0.835±0.2

1.523±0.15

10.54±0.13

0.08±0.05

1.2575

1 2 3 4 5

1.017±0.28.0±0.13

(7.49)

(5.59)

8.82±0.1

D 0.08

1.72

+ 0.1

− 0.05

4.5°

+ 5.5°

− 4.5°

BA3257FP/HFP

Dual Low Drop Out Regulator

Absolute Maximum Ratings (Ta=25˚C)

Power supply voltage VCC

4.75 14.0 V

Recommended Operating Conditions (Ta=25˚C)

Parameter Min. Max. UnitTyp.Symbol

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.

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

∗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.

Power supply voltage

Power

dissipation

Operating temperature range

Storage temperature range

Parameter Symbol

Limits

Unit

VCC

HRP-5

TO252-5

Topr

Tstg

+85

+150

˚C

2300

∗1

1300

∗2

Ceramic Capacitor Available

1 2

BA3257FP/HFP 1
Application Circuit 2

Indice de contenidos

Pagina 1 - BA3257FP/HFP

DescriptionFeaturesApplicationsHDD/DVDDimension (Unit : mm)BA3257FPBA3257HFPTO252-5HRP-56.5±0.2123 540.80.51.270.5±0.11.52.59.5±0.52.3±0.20.5±0.15.1+0

Pagina 2 - Application Circuit

Application Circuit Electrical characteristics (Unless otherwise noted; Ta=25˚C, Vcc=5V, R1=R2=5kΩ)Parameter Symbol Min. Typ. Max. Unit Conditi

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Rainbow-electronics BA3257FP_HFP Manual de usuario

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