SP6659_06 Datasheet, PDF (3/11 Pages) Sipex Corporation – 1.5MHz, 600mA Synchronous Buck Regulator

TYPICAL PERFORMANCE CHARACTERISTICS
Refer to the typical application schematic, V_OUT = 1.8V, T_AMB= +27°C
20μS/div
Figure 1: Load Transient 0mA to 600mA
CH 1: Output Voltage, 200mV per division AC-Coupled
CH 3: Inductor Current, 500mA/ div
CH 4: Load Current, 500mA/ div
20μS/div
Figure 2: Load Transient 50mA to 600mA
CH 1: Output Voltage, 100mV per division AC-Coupled
CH 3: Inductor Current, 500mA/ div
CH 4: Load Current, 500mA/ div
20μS/div
Figure 3: Load Transient 100mA to 600mA
CH 1: Output Voltage, 100mV per division AC-Coupled
CH 3: Inductor Current, 500mA/ div
CH 4: Load Current, 500mA/ div
20μS/div
Figure 4: Load Transient 200mA to 600mA
CH 1: Output Voltage, 100mV per division AC-Coupled
CH 3: Inductor Current, 500mA/ div
CH 4: Load Current, 500mA/ div
1μS/div
Figure 5: Discontinuous Mode
CH 1: Output Voltage, 10mV per division AC-Coupled
CH 2: SW 2V/div
CH 3: Inductor Current, 500mA/ div
40μS/div
Figure 6: Startup from Shutdown
CH 1: RUN pin 2V/div.
CH 2: Vout 1V/div
CH 3: Inductor Current, 500mA/ div
Date: 9/25/06 Rev C
SP6659 1.5MHz, 600mA Synchronous Buck Regulator
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© 2006 Sipex Corporation