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MB3885

Features: • Synchronous rectification for high efficiency• Supply voltage range : 5.5 V to 18 V• Built-in high-precision reference voltage circuit : 2.5 V ± 1%• Error Amp. threshold voltage : 1.25 V ± 1% (0 °C to 85 °C)• Oscillator frequency range : 10 kHz to 500 kHz&...

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SeekIC No. : 004413315 Detail

MB3885: Features: • Synchronous rectification for high efficiency• Supply voltage range : 5.5 V to 18 V• Built-in high-precision reference voltage circuit : 2.5 V ± 1%• Error Amp. th...

MB3885 Data Sheet

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Part Number:
MB3885
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/27

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Product Details

Description



Features:

• Synchronous rectification for high efficiency
• Supply voltage range : 5.5 V to 18 V
• Built-in high-precision reference voltage circuit : 2.5 V ± 1%
• Error Amp. threshold voltage : 1.25 V ± 1% (0 °C to 85 °C)
• Oscillator frequency range : 10 kHz to 500 kHz
• Built-in soft start circuit with error Amp. input control
• Totem pole type output for N-ch MOSFET


Pinout

Connection Diagram


Specifications

Parameter Symbol Conditions Rating Unit
Min. Max.
Supply voltage VCC - - 20 V
Boot voltage VCB CB terminal - 25 V
Output current IO - - 120 mA
Peak output current IOP Duty5%
(t = 1 / fOSC*Duty)		 - 800 mA
Power dissipation PD Ta +25 °C - 555* mW
Storage temperature Tstg - 55 +125 °C
* : The package is mounted on the dual-sided epoxy board (10cm ´ 10cm).
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 MB3885 is a 1-channel DC/DC converter IC using pulse width modulation (PWM) and synchronous rectification, designed for down conversion applications.

The MB3885 is a power supply with high output drive capacity. Synchronous rectification also provides for high efficiency.

In addition, a 5 V regulator is built in to reduce the number of system components. The MB3885 is an ideal built-in power supply for driving products with high speed CPU's such as home TV game devices and notebook PC's.




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