ISL6410 Datasheet, PDF (10/13 Pages) Intersil Corporation – Single Synchronous Buck Regulators with Integrated FET

ISL6410, ISL6410A
Performance Curves and Waveforms (Continued)
800
780
790
770
780
760
770
750
760
740
750
-40
-15
10
35
60
85
TEMPERATURE (°C)
FIGURE 8. ISL6410 OSCILLATOR FREQUENCY vs
TEMPERATURE
CH1 = Top, CH2 = Middle, CH4 = Bottom, where applicable
730
-40
-15
10
35
60
85
TEMPERATURE (°C)
FIGURE 9. ISL6410A OSCILLATOR FREQUENCY vs
TEMPERATURE
VOUT
L PIN VOLTAGE
L1 CURRENT
0.5µs/DIV
CH1 = 0.1V/DIV, CH2 = 2V/DIV CH4 = 200mA/DIV
FIGURE 10. SWITCHING WAVEFORM FOR ISL6410
VOUT
L PIN VOLTAGE
L1 CURRENT
VIN = 5.0V, VOUT = 1.2V, IOUT = 0.5A
0.5µs/DIV
CH1 = 0.1V/DIV, CH2 = 2V/DIV CH4 = 200mA/DIV
FIGURE 11. SWITCHING WAVEFORM FOR ISL6410A
VOUT
VOUT
IOUT
VIN = 3.3V, VOUT = 1.2V
0.5ms/DIV
CH1 = 0.2V/DIV, CH4 = 200mA/DIV
FIGURE 12. TRANSIENT LOAD WAVEFORM FOR ISL6410
10
IOUT
VIN = 5.0V, VOUT = 1.2V
0.5ms/DIV
CH1 = 0.1V/DIV, CH4 = 200mA/DIV
FIGURE 13. TRANSIENT LOAD WAVEFORM FOR ISL6410A