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XCM520 - Step-Down DC/DC Converter + Dual LDO Regulator

Description

The XCM520 series is a multi chip module which comprises of a 600mA driver transistor built-in synchronous step

down DC/DC converter and a dual CMOS LDO regulator.

The device is housed in small USP-12B01 package which is ideally suited for space conscious applications.

Features

  • Driver Transistor : 0.42Ω P-channel MOS Built-in Switching Transistor : 0.52Ω N-channel MOS Built-in Input Voltage Range : 2.7V ～ 6.0V Output Voltage High Efficiency : 2.3V(VOUT3) : 86% (TYP. ).
  • Output Current : 600mA Oscillation Frequency : 3.0MHz (±15%) Soft-Start : Built-In Soft-Start Current Limiter Circuit : Constant Current & Latching Control : Fixed PWM, Auto PWM/PFM.
  • Performance depends on external components and wiring on PCB wiring.

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XCM520 Series ETR2427-004a 600mA Synchronous Step-Down DC/DC Converter + Dual LDO Regulator ■GENERAL DESCRIPTION The XCM520 series is a multi chip module which comprises of a 600mA driver transistor built-in synchronous step–down DC/DC converter and a dual CMOS LDO regulator. The device is housed in small USP-12B01 package which is ideally suited for space conscious applications. The XCM520 can replace this dual DC/DC to eliminate one inductor and reduce output noise. The DC/DC converter with a built-in 0.42ΩP-channel MOS and a 0.52ΩN-channel MOS provides a high efficiency, stable power supply up to 600mA to using only a coil and two ceramic capacitors connected externally.
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