MB3873 Selling Leads, Price trend, MB3873 DataSheet download, circuit diagram from SeekIC.com

Features: • Operating power supply voltage : 10V to 28V• Operating current : 2.5mA typ.• Low standby current : 400A typ.• Control frequency range : 10kHz to 800kHz• Operating temperature range : -30°C to +105°C• Soft start circuit on-chip• Overvoltage dete...

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SeekIC No. : 004413305 Detail

MB3873: Features: • Operating power supply voltage : 10V to 28V• Operating current : 2.5mA typ.• Low standby current : 400A typ.• Control frequency range : 10kHz to 800kHz• Ope...

MB3873 Data Sheet

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Part Number:: MB3873
Supply Ability:: 5000

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1~5000

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Upload time: 2024/11/27

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US $.23 - .23 / Piece

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Product Details

Description

Features:

• Operating power supply voltage : 10V to 28V
• Operating current : 2.5mA typ.
• Low standby current : 400A typ.
• Control frequency range : 10kHz to 800kHz
• Operating temperature range : -30°C to +105°C
• Soft start circuit on-chip
• Overvoltage detection circuit on-chip
• Overload detection circuit on-chip
• Over temperature detection circuit on-chip
• Under voltage lockout protection circuit on-chip

Pinout

Connection Diagram

Specifications

Parameter	Symbol	Value	Rating		Unit
Parameter	Symbol	Value	Min.	Max.	Unit
Power supply voltage	V_CC	V_CC, V_CC (O) pin	-	20	V
Output current	I_O	OUT pin	-	20	mA
Peak output current	I_O	OUT pin, Duty5 %	-	300	mA
Power dissipation	P_D	Ta+25°C	-	540*	mW
Storage temperature	Tstg	-	-55	+125	°C

* : The packages are mounted on the dual-sided epoxy board (10 cm ´ 10 cm).
WARNING: Semiconductor devices can be permanently damaged by application of stress (voltage, current,
temperature, etc.) in excess of absolute maximum ratings. Do not exceed these ratings.

Description

The MB3873 is a pulse frequency modulation (PFM) type multi-resonance AC/DC converter IC providing soft switching functions in a more compact, higher-efficiency, low-noise package.

Since this MB3873 allows reduced number of the components and reduced size of the transformer, it is also compatible with the miniaturization of AC adaptor.

The MB3873 retains the multi-resonance for the non-load, over-load and load short-circuit over the wide range of input voltage, making it the appropriate IC for the small-sized AC adaptor.

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MB3873

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