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BA30E00WHFP Datasheet(PDF) 1 Page - Rohm

No. de Pieza. BA30E00WHFP
Descripción  Dual-output Secondary Fixed/Variable Output LDO Regulators for Local Power Supplies
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Fabricante  ROHM [Rohm]
Página de inicio  http://www.rohm.com
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BA30E00WHFP Datasheet(HTML) 1 Page - Rohm

 
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www.rohm.com
2009.04 - Rev.A
© 2009 ROHM Co., Ltd. All rights reserved.
Secondary LDO Regulators for Local Power Supplies
Dual-output Secondary
Fixed/Variable Output LDO Regulators
for Local Power Supplies
BA3259HFP,BA30E00WHFP
Description
The BA3259HFP and BA30E00WHFP are 2-output, low-saturation regulators. These units have both a 3.3 V fixed output as well
as a variable output with a voltage accuracy of ±2%, and incorporate an overcurrent protection circuit to prevent IC destruction due
to output shorting along with a TSD (Thermal Shut Down) circuit to protect the IC from thermal destruction caused by overloading.
Features
1) Output voltage accuracy: ± 2%.
2) Reference voltage accuracy: ± 2%
3) Output current capacity: 1 A (BA3259HFP), 0.6 A (BA30E00WHFP)
4) Ceramic capacitor can be used to prevent output oscillation (BA3259HFP)
6) Low dissipation with two voltage input supported (BA30E00WHFP)
7) Built-in thermal shutdown circuit
8) Built-in overcurrent protection circuit
Applications
Available to all commercial devices, such as FPD, TV, and PC sets besides DSP power supplies for DVD and CD sets.
Product Lineup
Part Number
Output voltage Vo1
Output voltage Vo2
Output Current Io1
Output Current Io2
Package
BA3259HFP
3.3 V
0.8 V to 3.3 V
1 A max
1 A max
HRP5
BA30E00WHFP
3.3 V
0.8 V to 3.3 V
0.6 A max
0.6 A max
HRP7
Absolute Maximum Ratings
BA3259HFP
BA30E00WHFP
Parameter
Symbol
Limit
Units
Parameter
Symbol
Limit
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
0 to 85
°C
Operating temperature
range
Topr
−25 to 105
°C
Ambient storage
temperature range
Tstg
−55 to 150
°C
Ambient storage
temperature range
Tstg
−55 to 150
°C
Maximum junction
temperature
Tjmax
150
°C
Maximum junction
temperature
Tjmax
150
°C
*1 Must not exceed Pd.
*2 Derated at 18.4 mW/°C at Ta>25°C when mounted on a glass epoxy board (70 mm
 70 mm  1.6 mm).
Recommended Operating Conditions
BA3259HFP
BA30E00WHFP
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 1
Vcc1
4.1
16.0
V
3.3 V output current
Io1
1
A
Input power supply
voltage 2
Vcc2
2.8
Vcc1
V
Variable output current
Io2
1
A
3.3 V output current
Io1
0.6
A
Variable output current
Io2
0.6
A
No.09026EAT02


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