MICRO DC/DC XDL601/02 5.5V 1.5A Step-Down Micro DC/DC SERIES XDL601 XDL602 Output Current 1.5A ON Resistance N-Ch 0.10Ω (typ) P-Ch 0.14Ω (typ) Input Voltage Range 2.5V ~ 5.5V Output Voltage Range 0.8V ~ 3.3V Switching Frequency 3.0MHz Quiescent Current (typ.) 400µA 25µA Control Method Hi-SAT COT Fixed PWM Control PWM/PFM Auto-switching Max Duty Cycle 100% Protection Circuits Current Limit Circuit, Short Circuit Protection, UVLO (2.0V), Thermal Shutdown Additional Features Integral Soft-start Optional CL Discharge Op. Amb. Temperature -40ºC ~ +105ºC Package DFN3625-11A (Wettable Flank) 0 10 20 30 40 50 60 70 80 90 100 0.1 1 10 100 10000 1000 Efficiency: EFFI (%) Output Current : IOUT (mA) VIN=5.0V, CIN =10μF(C2012X7R1A106M) CL =10μF(C2012X7R1A106M) XDL601A333 / XDL602A333 XDL601 XDL602 0 10 20 30 40 50 60 70 80 90 100 0.1 1 10 100 10000 1000 Ripple Voltage: Vr(mV) Output Current : IOUT (mA) VIN=5.0V, CIN =10μF(C2012X7R1A106M) CL =10μF(C2012X7R1A106M) XDL601A333 / XDL602A333 XDL601 XDL602 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 0 250 500 750 1500 1250 1000 Oscillation Frequency: f OSC (MHz) Output Current : IOUT (mA) XDL601A333 VIN = 5.5V VIN = 5.0V VIN = 4.2V 3.00 3.10 3.20 3.30 3.40 3.50 3.60 0.1 1 10 100 10000 1000 Output Voltage: V OUT (V) Output Current : IOUT (mA) VIN=5.0V, CIN =10μF(C2012X7R1A106M) CL =10μF(C2012X7R1A106M) XDL601A333 C IN V IN V IN CE V OUT L2 L1 Lx AGND PGND C L V OUT EFFICIENCY VS. OUTPUT CURRENT OUTPUT RIPPLE VS. OUTPUT CURRENT STABLE OSCILLATION FREQUENCY SUPERIOR LOAD REGULATION TYPICAL APPLICATION CIRCUIT Time [100μ s./div] Output Voltage: V OUT [V] Output Current: I OUT [A] 1.60 1.65 1.70 1.75 1.80 1.85 1.90 0 0.5 1.0 1.5 2.0 2.5 3.0 Output Voltage: V OUT [V] Output Current: I OUT [A] 1.60 1.65 1.70 1.75 1.80 1.85 1.90 0 0.5 1.0 1.5 2.0 2.5 3.0 Time [100μ s./div] VIN = 3.6, VOUT = 1.8V, TRISE = TFALL = 2μs, Ta = 25ºC XDL601A18362-Q : CIN = CL = 10μF, XC9235A18DMR : CIN = 4.7μF, CL = 10μF VOUT (XDL601) VOUT (XC9235) IOUT FAST TRANSIENT RESPONSE AEC-Q100 Grade 2 T A (max): 105°C z Integrated Coil Structure • More than 50% of PCB Area Savings • Minimised Radiated Noise (EMI) z High Efficiency at 3.0MHz Operation • 93% (at V IN =5.0V, V OUT =3.3V/500mA) z Enhanced COT Technology • Fast Transient Response • Stable Frequency Operation • Superior Load Regulation z High Reliability • Wettable Flanks Package • High Thermal Performance Fast transient response without the weaknesses of the conventional COT technology Stable Oscillation Frequency Superior Load Regulation DFN3625-11A Inductor DC/DC Chip 2.5mm 3.6mm 4 5 Find out more www.torex-europe.com Find out more www.torex-europe.com