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MB39A136 - 2ch PFM/PWM DC/DC Converter IC

Description

4 Block Diagram 5 Absolute Maximum Ratings 6 Recommended Operating Conditions 7 Electrical Characteristics 8 Typical Characteristics 12 Function Description 14 Current Mode 14 Protection Function Table 18 I/O Pin Equivalent Circuit Diagram 19 Example Application Circuit 21 Parts List 22

Features

  • and supports the symmetrical-phase method and the ceramic capacitor. MB39A136 realizes rapid response, high efficiency, and low ripple voltage, and its high-frequency operation enables the miniaturization of inductors and I/O capacitors. Features.
  • High efficiency.
  • For frequency setting by external resistor : 100 kHz to 1 MHz.
  • Error Amp threshold voltage : 0.7 V ± 1.0%.
  • Minimum output voltage value : 0.7 V.
  • Wide range of power-supply voltage : 4.5 V to 25 V.

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Full PDF Text Transcription (Reference)

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MB39A136 2ch PFM/PWM DC/DC Converter IC with Synchronous Rectification MB39A136 is 2ch step-down DC/DC converter IC of the current mode N-ch/N-ch synchronous rectification method. It contains the enhanced protection features, and supports the symmetrical-phase method and the ceramic capacitor. MB39A136 realizes rapid response, high efficiency, and low ripple voltage, and its high-frequency operation enables the miniaturization of inductors and I/O capacitors. Features ■ High efficiency ■ For frequency setting by external resistor : 100 kHz to 1 MHz ■ Error Amp threshold voltage : 0.7 V ± 1.0% ■ Minimum output voltage value : 0.7 V ■ Wide range of power-supply voltage : 4.
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