EL7530 データシートの表示（PDF） - Renesas Electronics
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EL7530 Datasheet PDF : 11 Pages
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EL7530
Performance Curves and Waveforms (Continued)
All waveforms are taken at VIN = 3.3V, VO = 1.8V, IO = 600mA with component values shown on page 1 at room ambient temperature, unless
otherwise noted.
LX
(2V/DIV)
IL
(0.5A/DIV)
VO
(50mV/DIV)
2µs/DIV
FIGURE 12. PFM STEADY-STATE OPERATION WAVEFORM
(IO = 100mA)
LX
(2V/DIV)
IL
(0.5A/DIV)
VO
(10mV/DIV)
0.5µs/DIV
FIGURE 13. PWM STEADY-STATE OPERATION (IO = 600mA)
SYNC
(2V/DIV)
LX
(2V/DIV)
IL
(0.5A/DIV)
0.2µs/DIV
FIGURE 14. EXTERNAL SYNCHRONIZATION TO 2MHz
SYNC
(2V/DIV)
LX
(2V/DIV)
IL
(0.5A/DIV)
20ns/DIV
FIGURE 15. EXTERNAL SYNCHRONIZATION TO 12MHz
IO
(200mA/DIV)
VO
(100mV/DIV)
100µs/DIV
FIGURE 16. LOAD TRANSIENT RESPONSE (22mA TO 600mA)
FN7434 Rev 6.00
July 12, 2006
IO
(200mA/DIV)
VO
(100mV/DIV)
50µs/DIV
FIGURE 17. PWM LOAD TRANSIENT RESPONSE (30mA TO
600mA)
Page 6 of 11
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