BD33KA5F datasheet, PDF - EEWORLD Datasheet

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BD33KA5F: Description500mA Secondary LDO Regulators for Local Power Supplies; File Size370KB，10 Pages; ManufacturerROHM Semiconductor; Websitehttps://www.rohm.com/

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BD33KA5F Overview

500mA Secondary LDO Regulators for Local Power Supplies

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Secondary LDO Regulator Series for Local Power Supplies

500mA Secondary LDO Regulators

for Local Power Supplies

BD□□KA5,BD□□KA5W Series,BD00KA5W Series

No.09024EAT01

●General

Description

The BD□□KA5 series are low-saturation regulators that are available for output currents up to 500mA. The output voltage

precision is

±1%.

These secondary LDO regulators are offered in several output voltages and package lineups with or

without ON/OFF switches (that set the circuit current to 0μA at shutdown). This series can be used for a broad spectrum of

applications ranging from TVs and car audio systems to HDDs, PCs, and DVDs. There regulators have a built-in overcurrent

protection circuit that prevents the destruction of the IC, due to output short circuits and a thermal shutdown circuit.

●Features

1) Maximum output current : 500½A

2) Output voltage precision :

±1%

3) Low-saturation voltage with PMOS output : 0.12V Typ.(Io=200mA)

4) Built-in over-current protection circuit

5) Built-in thermal shutdown circuit

6) Shutdown switch(BD□□KA5WFP and BD□□KA5WF series)

7) TO252-3,TO252-5 and SOP8 package lineup

8) Operating temperature range : -40℃ to +105℃

9) Ceramic capacitor compatible(recommended capacitance : 1μF or greater)

●Applications

Microcontrollers and all electronic devices that use logic circuits

●Product

line up

Part Number

BD□□KA5WFP

BD□□KA5WF

BD□□KA5FP

1.0

○

1.2

○

1.5

○

1.8

○

2.5

○

3.0

○

3.3

○

Variable

○

Package

TO252-5

SOP8

TO252-3

Part Number：BD□□KA5□

□

b c

Symbol

□□

Switch

Details

Output Voltage Designation

Output Voltage(V)

□□

1.0V(Typ.)

1.2V(Typ.)

1.5V(Typ.)

1.8V(Typ.)

Output Voltage(V)

2.5V(Typ.)

3.0V(Typ.)

3.3V(Typ.)

Variable Output Typ

Package

“W” included：Built-in shutdown switch

“W” not included：No shutdown switch

FP：TO252-5 / TO252-3

F：SOP8

www.rohm.com

1/9

2009.04 - Rev.A

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