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MB3827

Features: • Compatible with step-up/step-down switching methods (channel 1)• Compatible with step-up/step-down Zeta methods (channels 2 to 6)• Synchronous rectification (channels 1 and 2)• Low start-up voltage : 1.8 V (channel 7 for self-power supply)• Power supply vo...

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SeekIC No. : 004413291 Detail

MB3827: Features: • Compatible with step-up/step-down switching methods (channel 1)• Compatible with step-up/step-down Zeta methods (channels 2 to 6)• Synchronous rectification (channels 1...

MB3827 Data Sheet

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Part Number:
MB3827
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

• Compatible with step-up/step-down switching methods (channel 1)
• Compatible with step-up/step-down Zeta methods (channels 2 to 6)
• Synchronous rectification (channels 1 and 2)
• Low start-up voltage : 1.8 V (channel 7 for self-power supply)
• Power supply voltage range : 4 V to 13 V (channels 1 to 6)
• Built-in high-precision reference voltage generator : 2.5 V±1%
• Oscillator frequency range : 100 kHz to 800 kHz
• Error amplifier output for soft start (channels 1 to 6)


Pinout

Connection Diagram


Specifications

Parameter

Symbol

Conditions

Rating

Unit

Min.

Max.

Power supply voltage

VCC

-

-

17

V

VG

-

-

17

V

Output current

Io

OUT pin

-

20

mA

Peak output current

Io

OUT pin, Duty 5%

-

200

mA

Power dissipation

PD

Ta +25°C

-

1000*

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 MB3827 is a pulse width modulation (PWM) type 6-channel DC/DC converter IC with, synchronous rectification for voltage step-up and step-down. The MB3827 is ideal for low voltage, high efficiency, compact applications and for down conversion and up/down conversion (with two types of voltage step-up/step-down methods allowing input/output relations to be set independently).

In addition the MB3827 features a built-in self-supply power channel (channel 7) providing a wide range of supply voltages, and operates from two dry-cell batteries.

This MB3827 is ideal for high performance portable devices such as digital still cameras.




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