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ISL80030 Datasheet, PDF (13/20 Pages) Intersil Corporation – 3A Synchronous Buck Converter In 2x2 DFN Package
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ISL80030, ISL80030A, ISL80031, ISL80031A
Typical Performance Curves (Continued)
PHASE 5V/DIV
VOUT 1V/DIV
VIN 5V/DIV
PG 5V/DIV
5ms/DIV
FIGURE 28. SHUTDOWN VIN AT NO LOAD (ISL80031A)
fSW = 2MHz, VIN = 5V, PFM, TA = +25°C
PHASE 5V/DIV
VOUT 1V/DIV
VIN 5V/DIV
PG 5V/DIV
2ms/DIV
FIGURE 29. SHUTDOWN VIN AT NO LOAD (ISL80030A)
fSW = 2MHz, VIN = 5V, PWM, TA = +25°C
PHASE 1V/DIV
PHASE 1V/DIV
10ns/DIV
FIGURE 30. JITTER AT NO LOAD (ISL80030A)
fSW = 2MHz, VIN = 5V, PWM, TA = +25°C
PHASE 5V/DIV
VOUT 20mV/DIV
IL 0.5A/DIV
50ms/DIV
FIGURE 32. STEADY STATE AT NO LOAD (ISL80031A)
fSW = 2MHz, VIN = 5V, PFM, TA = +25°C
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10ns/DIV
FIGURE 31. JITTER AT FULL LOAD (ISL80030A)
fSW = 2MHz, VIN = 5V, PWM, TA = +25°C
PHASE 5V/DIV
VOUT 10mV/DIV
IL 0.5A/DIV
200ns/DIV
FIGURE 33. STEADY STATE AT NO LOAD (ISL80030A)
fSW = 2MHz, VIN = 5V, PWM, TA = +25°C
FN8766.0
July 20, 2015
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