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XCM524BD05DR-G Datasheet(PDF) 1 Page - Torex Semiconductor |
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XCM524BD05DR-G Datasheet(HTML) 1 Page - Torex Semiconductor |
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1 / 52 page  1/52 XCM524 Series 600mA Synchronous Step-Down DC/DC Converter + 500mA LDO with Delay Function Voltage Detector ■GENERAL DESCRIPTION The XCM524 series is a multi combination module IC which comprises of a 600mA driver transistor built-in synchronous step–down DC/DC converter and a high speed, high current LDO regulator with voltage detector function. The device is housed in small USP-12B01 package which is ideally suited for space conscious applications. The DC/DC converter and the LDO blocks are isolated in the package so that noise interference from the DC/DC to the LDO regulator is minimal. The DC/DC converter block with a built-in 0.42ΩP-channel MOS driver transistor and 0.52ΩN-channel MOS switching transistor, designed to allow the use of ceramic capacitors. The DC/DC enables a high efficiency, stable power supply with an output current of 600mA to be configured using only a coil and two capacitors connected externally. The LDO regulator block is precise, low noise, high ripple rejection, low dropout positive voltage regulators with built-in voltage detector. The LDO is also compatible with low ESR ceramic output capacitors. Good output stability is maintained during load fluctuations due to its excellent transient response. The current limiter's fold back circuit also operates as a short circuit protection for the output current. The voltage detector block of the contains delay circuit. The delay time can be controlled by an external capacitor. The detector monitors the input voltage of the voltage regulator. ■APPLICATIONS ● BD, DVD drives ● HDD drives ● Cameras, Video recorders ● Mobile phones, Smart phones ● Various general-purpose power supplies ■ TYPICAL APPLICATION CIRCUIT ETR2428-003 (TOP VIEW) ■FEATURES <DC/DC Convertor Block> Input Voltage Range : 2.7V ~ 6.0V Output Voltage Options : 0.8V ~ 4.0V (±2％) High Efficiency : 92% (TYP.) Output Current : 600mA (MAX.) Oscillation Frequency : 1.2MHz, 3.0MHz (+15%) Current Limiter Circuit Built-In : Constant Current & Latching Control Methods : PWM PWM/PFM Auto *Performance depends on external components and wiring on PCB wiring. <Regulator Block> Maximum Output Current : 500mA (Limiter 600mA TYP.) (2.5V≦VROUT≦4.9V) Dropout Voltage : 200mV@IROUT=100mA (TYP.) Operating Voltage Range : 2.0V ~ 6.0V Output Voltage Options : 0.9V ~ 5.1V (0.1V increments, ±2％) Detect Voltage Options : 2.0V ~ 5.5V (0.1V increments, ±2％) VR.VD Temperature Stability :±100ppm/℃ (TYP.) High Ripple Rejection : 65dB (@10kHz) Low ESR Capacitor : Ceramic Capacitor Operating Temperature Range : -40℃ ~ +85℃ Package : USP-12B01 Environmentally Friendly : EU RoHS Compliant, Pb Free |
Similar Part No. - XCM524BD05DR-G |
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Similar Description - XCM524BD05DR-G |
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