ISL8036IRZ-T Просмотр технического описания (PDF) - Intersil

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ISL8036IRZ-T

Dual 3A 1MHz/2.5MHz High Efficiency Synchronous Buck Regulator

Intersil 

ISL8036, ISL8036A

ISL8036A Typical Operating Performance for Dual PWM Operation

Unless otherwise noted, operating conditions are: VOUT1 = 1.8V; VOUT2 = 0.8V; IOUT1 = 0A to 3A; IOUT2 = 0A to 3A,

L1 = L2 = 0.6µH, FSW = 2.5MHz. (Continued)

LX1 2V/DIV

LX1 1V/DIV

VOUT RIPPLE 20mV/DIV

IL1 0.5A/DIV

FIGURE 37. STEADY STATE OPERATION AT NO LOAD

CHANNEL 2

IL1 2A/DIV

VOUT RIPPLE 20mV/DIV

FIGURE 38. STEADY STATE OPERATION AT FULL LOAD

CHANNEL 1

LX1 1V/DIV

VOUT1 RIPPLE 50mV/DIV

VOUT1 RIPPLE 50mV/DIV

IL1 2A/DIV

VOUT RIPPLE 20mV/DIV

FIGURE 39. STEADY STATE OPERATION AT FULL LOAD

CHANNEL 2

IL1 2A/DIV

FIGURE 40. LOAD TRANSIENT CHANNEL 1

IL1 2A/DIV

VOUT1 RIPPLE 50mV/DIV

FIGURE 41. LOAD TRANSIENT CHANNEL 2

16

FN6853.1

October 18, 2010

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