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MB3782

Features: • Wide voltage range (3.6 to 18 V)• Low power dissipation (operating mode: 2.1 A (typ), standby mode: 10 mA (max)• Wide range of oscillator frequencies, high-frequency capability (1 to 500 kHz)• On-chip timer-latch type short detection circuit• On-chip under...

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SeekIC No. : 004413271 Detail

MB3782: Features: • Wide voltage range (3.6 to 18 V)• Low power dissipation (operating mode: 2.1 A (typ), standby mode: 10 mA (max)• Wide range of oscillator frequencies, high-frequency ca...

MB3782 Data Sheet

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Part Number:
MB3782
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:

• Wide voltage range (3.6 to 18 V)
• Low power dissipation (operating mode: 2.1 A (typ), standby mode: 10 mA (max)
• Wide range of oscillator frequencies, high-frequency capability (1 to 500 kHz)
• On-chip timer-latch type short detection circuit
• On-chip undervoltage lockout circuit
• On-chip 2.50 V reference voltage circuit (1.25 V output available at RT pin)
• Dead time adjustment over full duty cycle range
• On-chip standby mode (power on/off function)


Pinout

Connection Diagram


Specifications

Parameter Symbol Condition Rating Unit
Power supply voltage VCC - 20 V
Error amp input voltage VIN - 0.3 to 10 V
Dead time control input voltage Vdt - 0.3 to 2.8 V
Control input voltage VCTL   0.3 to 20 V
Collector output voltage IOUT   20 V
Collector output current IOUT - 75 mA
Allowable loss PD*1 Ta+25°C EIAJ 740*2 mW
JEDEC 1110
Operating temperature TOP - 30 to 85 °C
Storage temperature Tstg - 55 to 125 °C
*1: For operation in conditions where Ta > +25°C, the SOP version should be derated by 7.4 mW/°C, and the DIP
version should be derated by 11.1 mW/°C.
*2: When mounted on a 4 cm-square dual-sided epoxy board.
Note: Permanent device damage may occur if the above Absolute Maximum Ratings are exceeded. Functional
          operation should be restricted to the conditions as detailed in the operational sections of this data sheet.
          Exposure to absolute maximum rating conditions for extended periods may affect device reliability.


Description

The FUJITSU MB3782 is a PWM-type switching regulator controller, designed with open-collector output for connection to external drive transistors and coils, providing a selection of three types of output voltage: stepup, step-down or inverting (inverting output is available on one circuit only).

The MB3782 features identical oscillator output waveforms to enable completely synchronous operation and prevent the occurrence of low-frequency beat between channels.

Also, the MB3782 features low power dissipation (2.1 mA typ) and a built-in standby mode (10 A), making possible the configuration of a wide variety of high-efficiency, stable power supplies, even with the use of battery power. The MB3782 is an ideal power supply for high-performance portable devices such as video camcorders and cameras.




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