Datasheet > BA3259HFP_09

BA3259HFP_09

更新时间： 2024-01-08 04:23:15

品牌	Logo	应用领域
罗姆 - ROHM		稳压器
页数	文件大小	规格书
10页	377K
描述
Dual-output Secondary Fixed/Variable Output LDO Regulators for Local Power Supplies

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BA3259HFP_09 数据手册

Secondary LDO Regulators for Local Power Supplies

Dual-output Secondary

Fixed/Variable Output LDO Regulators

for Local Power Supplies

BA3259HFP,BA30E00WHFP

No.09026EAT02

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

BA3259HFP

Output voltage Vo1 Output voltage Vo2

Output Current Io1

1 A max

Output Current Io2

1 A max

Package

HRP5

3.3 V

0.8 V to 3.3 V

BA30E00WHFP

0.6 A max

HRP7

Absolute Maximum Ratings

BA3259HFP

BA30E00WHFP

Parameter

Applied voltage

Symbol

Vcc

Limit

Units

Symbol

Vcc

Limit

Units

15 ^*1

Applied voltage

Power dissipation

18 ^*1

Power dissipation

2300 ^*2

Operating temperature

range

Ambient storage

temperature range

Maximum junction

Operating temperature

range

Ambient storage

temperature range

Maximum junction

temperature

Topr

Tstg

0 to 85

−55 to 150

150

°C

Topr

Tstg

−25 to 105

−55 to 150

150

°C

Tjmax

temperature

*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

Input power supply

voltage

3.3 V output current

Input power supply

voltage 1

Vcc

4.75

−

14.0

Vcc1

Vcc2

4.1

2.8

−

16.0

Io1

Io2

−

Input power supply

voltage 2

Vcc1

Variable output current

3.3 V output current

Io1

Io2

−

0.6

Variable output current

www.rohm.com

2009.04 - Rev.A

1/8

12 3 4 5 6 7...10

中文翻译

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