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BD9300FV

Rohm
Part Number BD9300FV
Manufacturer Rohm
Description Step-down Switching Regulators
Published Mar 23, 2005
Detailed Description TECHNICAL NOTE Large Current External FET Controller Type Switching Regulators Single-output Step-up, Negative Voltage, ...
Datasheet PDF File BD9300FV PDF File

BD9300FV
BD9300FV


Overview
TECHNICAL NOTE Large Current External FET Controller Type Switching Regulators Single-output Step-up, Negative Voltage, Step-down Switching Regulators (Controller type) BD9300F/ BD9300FV Description The BD9300F/FV 1-channel DC/DC Step-up, step-down, and inverting converter controller.
This IC has a wide input voltage range of 3.
6 to 35 V, providing for a variety of applications.
The pin assignment is similar to that of the BA9700, facilitating a space-saving application.
Features 1) 1-channel PWM control DC/DC converter controller 2) High voltage input of 3.
6 to 35 V 3) Reference voltage accuracy of ±1% 4) Oscillation frequency variable in the range of 20 to 800 kHz 5) Built-in UVLO (Under Voltage Lock Out) circuit and SCP (Short Circuit Prevention) circuit 6) Current in standby mode: 0 μA (typ.
) 7) Switching external synchronization available (Slave operation) 8) SSOP-B14 Package (for BD9300FV) or SOP14 Package (for BD9300F) Applications .
TV, power supply for liquid crystal display TV, and backlight .
DSC, DVD, printer, DVD/DVD recorder, and other consumer products Input Step-up voltage output Input Inverting voltage output Input Step-down voltage output Step-up voltage application Inverting voltage application Step-down voltage application 2017.
Nov Absolute maximum ratings(Ta=25˚C) Item Symbol Rating Power supply voltage Vcc 36 Power dissipation Pd 400 Operating temperature Topr –40 to +85 Storage temperature Tstg –55 to +125 Output current Io 100 Output voltage Vo 36 Maximum junction temperature Tjmax 125 * Reduce by 4 mW/ ˚C over 25˚C, when mounted on a glass epoxy PCB of 70mmX70mmX1.
6mm) ** Should not exceed Pd-value.
* ** Recommended operating range (Ta=25˚C) Limits Item Symbol Min Typ Max Power supply voltage Vcc 3.
6 12 35 Output sink current IO – – 30 Output voltage VO – – 35 Timing capacitance CT 33 – 1000 Timing resistance RT 5 – 100 Oscillation frequency Fosc 20 – 800 Unit V mW ˚C ˚C mA V ˚C Unit V mA ...


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