ISL8002 查看數據表（PDF） - Renesas Electronics
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产品描述 (功能)
比赛名单
ISL8002 Datasheet PDF : 23 Pages
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ISL8002, ISL8002A, ISL80019, ISL80019A
Typical Performance Curves (Continued)
VOUT RIPPLE 50mV/DIV
VOUT RIPPLE 50mV/DIV
IL 1A/DIV
200µs/DIV
FIGURE 45. LOAD TRANSIENT
FSW = 2MHz, VIN = 5V, MODE = PFM, TA = +25°C
LX 5V/DIV
IL 2A/DIV
IL 1A/DIV
200µs/DIV
FIGURE 46. LOAD TRANSIENT
FSW = 2MHz, VIN = 5V, MODE = PWM, TA = +25°C
VOUT 0.5V/DIV
IL 1A/DIV
VOUT 1V/DIV
PG 5V/DIV
5µs/DIV
FIGURE 47. OUTPUT SHORT-CIRCUIT
FSW = 2MHz, VIN = 5V, MODE = PFM, TA = +25°C
LX 5V/DIV
675mA MODE TRANSITION, COMPLETELY
ENTER TO PWM AT 770mA
VOUT RIPPLE 20mV/DIV
IL 2A/DIV
2µs/DIV
FIGURE 49. PFM TO PWM TRANSITION
FSW = 2MHz, VIN = 5V, MODE = PFM, TA = +25°C
FN7888 Rev 4.00
July 31, 2014
PG 5V/DIV
500µs/DIV
FIGURE 48. OVERCURRENT PROTECTION
FSW = 2MHz, VIN = 5V, MODE = PWM, TA = +25°C
LX 5V/DIV
BACK TO PFM AT 121mA
VOUT RIPPLE 20mV/DIV
IL 1A/DIV
2µs/DIV
FIGURE 50. PWM TO PFM TRANSITION
FSW = 2MHz, VIN = 5V, MODE = PWM, TA = +25°C
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