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XC9260B10DER-G Datasheet(PDF) 1 Page - Torex Semiconductor |
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XC9260B10DER-G Datasheet(HTML) 1 Page - Torex Semiconductor |
1 / 28 page 1/28 XC9260/XC9261Series COT Control, 1.5A Synchronous Step-Down DC/DC Converters ■ GENERAL DESCRIPTION The XC9260/XC9261 series is a group of synchronous-rectification type DC/DC converters with a built-in P-channel MOS driver transistor and N-channel MOS switching transistor, designed to allow the use of ceramic capacitors. Output voltage is internally set in a range from 0.8V to 3.6V (accuracy: ±2.0%) increments of 0.05V. The device provides a high efficiency, stable power supply with an output current of 1.5A to be configured using only a coil and two capacitors connected externally. Oscillation frequency is set to 1.2MHz or 3.0MHz can be selected for suiting to your particular application. As for operation mode HiSAT-COT (*) control excellent in transient response, the XC9260 series is PWM control, the XC9261 series is automatic PWM/PFM switching control, allowing fast response, low ripple and high efficiency over the full range of loads (from light load to heavy load). During stand-by, all circuits are shutdown to reduce current consumption to as low as 1.0μA or less. As for the soft-start function as fast as 0.3ms in typical for quick turn-on. With the built-in UVLO (Under Voltage Lock Out) function, the internal P-channel MOS driver transistor is forced OFF when input voltage becomes 2.00V or lower. The B types integrate CL High Speed discharge function which enables the electric charge at the output capacitor CL to be discharged via the internal discharge. Two types of package SOT-89-5, USP-6C are available. (*) HiSAT-COT is an original Torex term for High Speed Transient Response. ■ APPLICATIONS ● Mobile phones ● Bluetooth headsets ● Smart phones, Personal digital assistance ● Portable game consoles ● Digital still cameras, Camcorders ● Codeless phones ● Point-of-Load (POL) ■ TYPICAL APPLICATION CIRCUIT ETR05042-001 ☆ GreenOperation-compatible ■ TYPICAL PERFORMANCE CHARACTERISTICS ■ FEATURES Input Voltage Range : 2.7V~5.5V Output Voltage Range : 0.8V~3.6V (±2.0%) Quiescent Current : 25μA (fOSC=3.0MHz) Output Current : 1.5A Oscillation Frequency : 1.2MHz, 3.0MHz Efficiency : 90% (VIN=3.7V, VOUT=1.8V, IOUT=200mA) Control Methods : HiSAT-COT Control : 100% Duty Cycle : PWM Control (XC9260) : PWM/PFM Auto (XC9261) Protection Circuits : Thermal Shutdown : Current Limit (Pendent character) : Short Circuit Protection (Type B) Functions : Soft-Start : UVLO : CL High Speed Discharge (Type B) Capacitor : Ceramic Capacitor Operating Ambient Temperature :- 40℃ ~ + 105℃ Packages : SOT-89-5, USP-6C Environmentally Friendly : EU RoHS Compliant, Pb Free 1.5A Lx VOUT VIN CE VOUT VIN CE L AGND PGND CIN CL XC9260A18D / XC9261A18D 0 10 20 30 40 50 60 70 80 90 100 0.1 1 10 100 1000 10000 Output Current: I OUT (mA) XC9261 XC9260 L = LQM2MPN1R0MGH(1.0μH) C IN=10μ F(GRM155R61A106M) CL=10μ F(GRM155R61A106M) VIN = 5.0V VIN = 3.7V VIN = 5.0V VIN = 3.7V |
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