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BA3258HFP 数据表(PDF) 1 Page - Rohm

部件名 BA3258HFP
功能描述  Dual-output Secondary Fixed Output LDO Regulators for Local Power Supplies
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制造商  ROHM [Rohm]
网页  http://www.rohm.com
标志 ROHM - Rohm

BA3258HFP 数据表(HTML) 1 Page - Rohm

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www.rohm.co
2009.04 - Rev.A
© 2009 ROHM Co., Ltd. All rights reserved.
Secondary Fixed Output LDO Regulator Series for Local Power Supplies
Dual-output Secondary Fixed Output
LDO Regulators for Local Power Supplies
BA3258HFP, BA33D15HFP, BA33D18HFP
Description
The BA3258HFP, BA33D15HFP, BA33D18HFP are fixed 2-output low-saturation regulators with a voltage accuracy at both
outputs of
2%. These series incorporate both overcurrent protection and thermal shutdown (TSD) circuits in order to
prevent damage due to output short-circuiting and overloading, respectively.
Features
1) Output voltage accuracy:
2%.
2) Output current capacity: 1A (BA3258HFP), 0.5A (BA33D□□ Series)
3) A ceramic capacitor can be used to prevent output oscillation (BA3258HFP).
4) High Ripple Rejection (BA33D□□ Series)
5) Built-in thermal shutdown circuit
6) Built-in overcurrent protection circuit
Applications
FPDs, TVs, PCs, DSPs in DVDs and CDs
Product Lineup
Part Number
Output voltage
Vo1
Output voltage
Vo2
Current capability
Io1
Current capability
Io2
Package
BA3258HFP
3.3 V
1.5 V
1 A
1 A
HRP5
BA33D15HFP
3.3 V
1.5 V
0.5 A
0.5 A
HRP5
BA33D18HFP
3.3 V
1.8 V
0.5 A
0.5 A
HRP5
Absolute Maximum Ratings
BA3258HFP
BA33D□□ Series
Parameter
Symbol
Limits
Units
Parameters
Symbol
Limits
Units
Applied voltage
VCC
15*1
V
Applied voltage
VCC
18*1
V
Power dissipation
Pd
2300*2
mW
Power dissipation
Pd
2300*2
mW
Operating
temperature range
Topr
−30 to 85
Operating
temperature range
Topr
−25 to 105
Ambient storage
temperature
Tstg
−55 to 150
Ambient storage
temperature
Tstg
−55 to 150
Maximum junction
temperature
Tjmax
150
Maximum junction
temperature
Tjmax
150
*1
Must not exceed Pd
*2.
Derated at 18.4 mW/℃ at Ta>25℃ when mounted on a glass epoxy board (70 mm
 70 mm  1.6 mm)
Recommended Operating Conditions
BA3258HFP
BA33D□□Series
Parameter
Symbol
Min.
Typ.
Max. Unit
Parameter
Symbol
Min.
Typ.
Max. Unit
Input power supply
voltage
VCC
4.75
-
14.0
V
Input power supply
voltage
VCC
4.1
-
16.0
V
3.3 V output current
Io1
-
-
1
A
3.3 V output current
Io1
-
-
0.5
A
1.5 V output current
Io2
-
-
1
A
1.5V output current
Io2
-
-
0.5
A
1.8 V output current
Io2
-
-
0.5
A
No.09026EAT01


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