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XC9515 - 2-channel Synchronous Step-Down DC/DC Converter

Description

The XC9515 series consists of 2 channel synchronous step-down DC/DC converters and a voltage detector with delay circuit built-in.

The DC/DC converter block incorporates a P-channel 0.35Ω (TYP.) driver transistor and a synchronous N-channel 0.35Ω (TYP.) switching transistor.

Features

  • DC/DC Input Voltage Range : 2.5V ~ 5.5V Output Voltage : VOUT1=1.2V ~ 4.0V VOUT2=1.2V~ 4.0V (Accuracy ±2%) Oscillation Frequency : 1MHz (Accuracy ±15%) High Efficiency : 95% (VIN=5V, VOUT=3.3V) Output Current : 800mA Control : PWM control Protection Circuits : Thermal Shutdown : Integral Latch (Over Current Limit) : Short Protection Circuit Ceramic Capacitor Compatible.

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XC9515 Series ETR0706-013 2 channel Synchronous Step-Down DC/DC Converter with Manual Reset ■GENERAL DESCRIPTION The XC9515 series consists of 2 channel synchronous step-down DC/DC converters and a voltage detector with delay circuit built-in. The DC/DC converter block incorporates a P-channel 0.35Ω (TYP.) driver transistor and a synchronous N-channel 0.35Ω (TYP.) switching transistor. By minimizing ON resistance of the built-in transistors, the XC9515 series can deliver highly efficient and a stable output current up to 800mA. With high switching frequencies of 1MHz, a choice of small inductor is possible. The series has a built-in UVLO (under-voltage lock-out) function, therefore, the internal P-channel driver transistor is forced OFF when input voltage becomes 1.
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