ISL8510 查看數據表（PDF） - Renesas Electronics
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ISL8510 Datasheet PDF : 21 Pages
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ISL8510
Typical Performance Curves Circuit of Figure 2. VIN = 12V, VIN_LDO = VOUT = 3.3V, IOUT = 1A, VLDO = 1.2V, ILDO = 450mA,
TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C. (Continued)
LX 5V/DIV
VOUT RIPPLE
100mV/DIV
EN 5V/DIV
VOUT 2V/DIV
SS 2V/DIV
PG_PWM 5V/DIV
IL 1A/DIV
LDO RIPPLE
20mV/DIV
FIGURE 20. LOAD TRANSIENT, 200µs/DIV
LDO 5V/DIV
FIGURE 21. SOFT-START AT NO LOAD, 500µs/DIV
EN 5V/DIV
VOUT 2V/DIV
IL 1A/DIV
PG_PWM 2V/DIV
SS 2V/DIV
FIGURE 22. SOFT-START AT FULL LOAD, 500µs/DIV
EN_LDO 5V/DIV
LDO 500mV/DIV
PG_LDO 5V/DIV
FIGURE 23. SOFT-START AT FULL LOAD, 100µs/DIV
EN 5V/DIV
VOUT 2V/DIV
IL 1A/DIV
PG_PWM 5V/DIV
FIGURE 24. SHUT DOWN CIRCUIT, 100µs/DIV
EN_LDO 5V/DIV
LDO 500mV/DIV
PG_LDO 5V/DIV
FIGURE 25. SHUT DOWN CIRCUIT, 20µs/DIV
FN6516 Rev 2.00
December 15, 2008
Page 12 of 21
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