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BD9302FP - Step-down Switching Regulators

General Description

The BD9302FP is a 2-channel step-down switching regulator controller with a 2.5-MHz, 2-A power switch and available for 2.5-MHz high speed switching operation, which facilitates settings of switching frequency with external resistance, supporting for a wide input voltage range of 6 to 18 V.

Key Features

  • 1) A wide input voltage range of 6 V to 18 V 2) Easy switching frequency setting in the range of 200 k to 2.5 MHz. 3) Two built-in power switches of 0.4 Ω, 2 A. 4) 180˚ phase shift 5) Built-in Under Voltage Lock Out circuit 6) Built-in overcurrent protection circuit 7) Built-in Thermal Shutdown circuit Use Power supply for DPS requiring two power sources ADSL modem/plasma display Audio devices Dec. 2008 Absolute maximum ratings (Ta=25˚C) Item Symbol Rating Power supply voltage Power dissipa.

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Datasheet Details

Part number BD9302FP
Manufacturer ROHM
File Size 920.89 KB
Description Step-down Switching Regulators
Datasheet download datasheet BD9302FP Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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TECHNICAL NOTE Single-chip Type with Built-in FET Switching Regulator Series 2-output High-efficiency Step-down Switching Regulators with Built-in Power MOSFET BD9302FP Description The BD9302FP is a 2-channel step-down switching regulator controller with a 2.5-MHz, 2-A power switch and available for 2.5-MHz high speed switching operation, which facilitates settings of switching frequency with external resistance, supporting for a wide input voltage range of 6 to 18 V. Furthermore, due to a low reference voltage of 0.6 V, this BD9302FP is an L/C best suited to high-voltage input/low-voltage output applications, for example, to step down a voltage from 12 V to 1.2 V. Features 1) A wide input voltage range of 6 V to 18 V 2) Easy switching frequency setting in the range of 200 k to 2.5 MHz.