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Part Number: MB3892

 

 

 

 

Description: MB3892 is a low-saturation voltage type series regulator contains 3 channels for the baseband regulato...


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MB3892 General Description


MB3892 is a low-saturation voltage type series regulator contains 3 channels for the baseband regulator, 1 channel for the backup regulator, 6 channels for the RF regulator, and 1 channel for the variable regulator. MB3892 is built in reset circuit, serial control circuit, operation Amp. for charge control of Lithium ion battery, LED drive circuit, receiver Amp., loudspeaker drive Amp., sounder circuit, vibrator drive circuit, and 4-ch D/A converter and the devices is miniaturized by systematization of built-in power supply for mobile phone.

MB3892 Maximum Ratings

Parameter Symbol Condition Rating Unit
Min. Max.
Power supply voltage VB - 0.3 7 V
EXTVCC - 0.3 7 V
Baseband regulator output current IO BBREG1 - -110 mA
IO BBREG2 - -150 mA
IO BBREG3 - -60 mA
Receiver Amp. output current IO - - 150 mA
Loudspeaker Amp. output current IO - - 400 mA
Vibrator regulator output current IO - - -200 mA
RF regulator output current IO RFREG1 - -10 mA
IO RFREG2 - -20 mA
IO RFREG3 - -20 mA
IO RFREG4 - -60 mA
IO RFREG5 - -200 mA
IO RFREG6 - -50 mA
Variable regulator output current IO - - -15 mA
Power dissipation
 PD Ta +25 °C - 1420 * 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.

MB3892 Features

• Power supply voltage range                                 : VB = 2.85 V to 5.5 V
                                                                                : EXTVCC = 3.0 V to 6.5 V
• Low power consumption current during standby : 100 A (Max.)
• Built-in low-saturation voltage type series regulator
• Built-in power-on reset function
• Built-in serial control function
• Built-in operation Amp. for charge control of Lithium ion battery
• Special power off function
   (To prevent battery discharge, this function controls the power consumption current of main IC under 11 mA
   (typ.) on the shipment.)

MB3892 Connection Diagram

MB3892 Connection Diagram

MB3892 datasheet

MB3892
PDF/DataSheet Download

  • Datasheet: MB3892
  • File Size: 515652 KB
  • Manufacturer: FUJITSU [Fujitsu Media Devices Limited]
  • Click here to Download

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