ISL854102FRZ-T7A データシートの表示（PDF） - Renesas Electronics
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ISL854102FRZ-T7A Datasheet PDF : 19 Pages
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ISL854102
Measurements fSW = 500kHz, VIN = 24V, VOUT = 3.3V, TA = +25°C (Continued)
LX 20V/DIV
VOUT 2V/DIV
IL 1A/DIV
PG 2V/DIV
LX 20V/DIV
VOUT 2V/DIV
IL 1A/DIV
5ms/DIV
FIGURE 18. START-UP AT 1.2A
PG 2V/DIV
200µs/DIV
FIGURE 19. SHUTDOWN AT 1.2A
LX 20V/DIV
VOUT 20mV/DIV
IL 20mA/DIV
10ms/DIV
FIGURE 20. STEADY STATE AT NO LOAD, PFM
LX 20V/DIV
VOUT 10mV/DIV
IL 1A/DIV
1µs/DIV
FIGURE 22. STEADY STATE AT 1.2A LOAD
LX 20V/DIV
VOUT 20mV/DIV
IL 20mA/DIV
1µs/DIV
FIGURE 21. STEADY STATE AT NO LOAD, PWM
LX 20V/DIV
VOUT 50mV/DIV
IL 200mA/DIV
10µs/DIV
FIGURE 23. LIGHT LOAD OPERATION AT 20mA, PFM
FN8870 Rev 0.00
July 1, 2016
Page 10 of 19
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