Secondary Fixed Output LDO Regulator Series for Local Power Supplies
Dual-output Secondary Fixed Output
LDO Regulators for Local Power Supplies
BA3258HFP, BA33D15HFP, BA33D18HFP
No.09026EAT01
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
BA3258HFP
BA33D15HFP
BA33D18HFP
Output voltage
Vo1
3.3 V
3.3 V
3.3 V
Absolute Maximum Ratings
BA3258HFP
Parameter
Symbol
Applied voltage
VCC
Power dissipation
Pd
Operating
Topr
temperature range
Ambient storage
Tstg
temperature
Maximum junction
Tjmax
temperature
*1
*2.
Output voltage
Vo2
1.5 V
1.5 V
1.8 V
Limits
15*1
2300*2
℃
−55 to 150
℃
150
Current capability
Io2
1A
0.5 A
0.5 A
BA33D□□ Series
Parameters
Applied voltage
Power dissipation
Operating
temperature range
Ambient storage
temperature
Maximum junction
temperature
Units
V
mW
−30 to 85
Current capability
Io1
1A
0.5 A
0.5 A
℃
Package
HRP5
HRP5
HRP5
Symbol
VCC
Pd
Limits
18*1
2300*2
Units
V
mW
Topr
−25 to 105
℃
Tstg
−55 to 150
℃
Tjmax
150
℃
Must not exceed Pd
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
Parameter
BA33D□□Series
Symbol
Min.
Typ.
Input power supply
voltage
VCC
4.75
-
14.0
V
3.3 V output current
Io1
-
-
1
1.5 V output current
Io2
-
-
1
Symbol
Min.
Typ.
Input power supply
voltage
VCC
4.1
-
16.0
V
A
3.3 V output current
Io1
-
-
0.5
A
A
1.5V output current
Io2
-
-
0.5
A
1.8 V output current
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Max. Unit
Io2
-
-
0.5
A
1/8
Parameter
Max. Unit
2009.04 - Rev.A