ISL85410 查看數據表（PDF） - Renesas Electronics
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ISL85410 Datasheet PDF : 21 Pages
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ISL85410
Measurements fSW = 500kHz, VIN = 24V, VOUT = 3.3V, TA = +25°C (Continued)
LX 20V/DIV
LX 20V/DIV
VOUT 20mV/DIV
IL 20mA/DIV
10ms/DIV
FIGURE 29. STEADY STATE AT NO LOAD, PFM
VOUT 20mV/DIV
IL 20mA/DIV
1µs/DIV
FIGURE 30. STEADY STATE AT NO LOAD, PWM
LX 20V/DIV
VOUT 20mV/DIV
IL 1A/DIV
1µs/DIV
FIGURE 31. STEADY STATE AT 1A, PWM
LX 20V/DIV
VOUT 50mV/DIV
IL 200mA/DIV
10µs/DIV
FIGURE 32. LIGHT LOAD OPERATION AT 20mA, PFM
LX 20V/DIV
VOUT 10mV/DIV
IL 200mA/DIV
1µs/DIV
FIGURE 33. LIGHT LOAD OPERATION AT 20mA, PWM
VOUT 100mV/DIV
IL 1A/DIV
200µs/DIV
FIGURE 34. LOAD TRANSIENT, PFM
FN8375 Rev 7.00
March 13, 2015
Page 12 of 21
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