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MB39A112 - 3-ch DC/DC Converter IC

Datasheet Summary

Description

4 Block Diagram 5 Absolute Maximum Ratings 6 Recommended Operating Conditions 6 Electrical Characteristics 7 Typical Characteristics 9 Function 12 DC/DC Converter Function 12 Protective Function 12 Setting The Output Voltage 14 Setting The Triangular Oscillation Frequency 14 Setting The So

Features

  • Supports for down-conversion (CH1 to CH3).
  • Power supply voltage range : 7 V to 25 V.
  • Error amplifier threshold voltage : 1.00 V ± 1% (CH1) : 1.23 V ± 1% (CH2, CH3).
  • Oscillation frequency range : 250 kHz to 2.6 MHz.
  • Built-in soft-start circuit independent of loads.
  • Built-in timer-latch short-circuit protection circuit.
  • Built-in totem-pole type output for P-channel MOS FET devices.
  • Built-in constant voltage (VCCO - 5 V) bias circuit for output bl.

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Datasheet Details

Part number MB39A112
Manufacturer Cypress
File Size 353.41 KB
Description 3-ch DC/DC Converter IC
Datasheet download datasheet MB39A112 Datasheet
Additional preview pages of the MB39A112 datasheet.

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Full PDF Text Transcription

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MB39A112 3-ch DC/DC Converter IC The MB39A112 is a 3-channel DC/DC converter IC using pulse width modulation (PWM) , and the MB39A112 is suitable for downconversion. 3-channel is built in TSSOP-20P package. Each channel can be controlled and soft-start. The MB39A112 contains a constant voltage bias circuit for output block, capable of implementing an efficient high-frequency DC/DC converter. It is ideal for built-in power supply such as ADSL modems. Features ■ Supports for down-conversion (CH1 to CH3) ■ Power supply voltage range : 7 V to 25 V ■ Error amplifier threshold voltage : 1.00 V ± 1% (CH1) : 1.23 V ± 1% (CH2, CH3) ■ Oscillation frequency range : 250 kHz to 2.
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