ISL85415FRZ-T 데이터 시트보기 (PDF) - Intersil

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ISL85415FRZ-T

Wide VIN 500mA Synchronous Buck Regulator

Intersil 

ISL85415

Typical Performance Curves VIN = 24V, VOUT = 3.3V, FSW = 800kHz, TA = +25°C. (Continued)

PHASE 5V/DIV

50ns/DIV

FIGURE 40. JITTER AT NO LOAD, PWM

PHASE 5V/DIV

50ns/DIV

FIGURE 41. JITTER AT 500mA, PWM

PHASE 20V/DIV

VOUT 10mV/DIV

IL 200mA/DIV

5ms/DIV

FIGURE 42. STEADY STATE AT NO LOAD, PFM

IL 100mA/DIV

PHASE 20V/DIV

VOUT 10mV/DIV

500ns/DIV

FIGURE 43. STEADY STATE AT NO LOAD, PWM

PHASE 20V/DIV

VOUT 10mV/DIV

IL 500mA/DIV

1µs/DIV

FIGURE 44. STEADY STATE AT 500mA LOAD, PWM

PHASE 20V/DIV

VOUT 50mV/DIV

IL 200mA/DIV

10µs/DIV

FIGURE 45. LIGHT LOAD OPERATION AT 20mA, PFM

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FN8373.2

September 26, 2013

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