ISL8036 데이터 시트보기 (PDF) - Renesas Electronics

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ISL8036

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

Renesas Electronics 

ISL8036, ISL8036A

ISL8036 Typical Operating Performance for Current Sharing PWM

Operation

Unless otherwise noted, operating conditions are: VOUT = 1.8V, IOUT1 + IOUT2 = 0A to 6A, FSW = 1MHz. (Continued)

LX1 2V/DIV

SYNC 5V/DIV

VOUT RIPPLE 20mV/DIV

IL1 1A/DIV

FIGURE 60. STEADY STATE OPERATION CH1 AT NO LOAD WITH

FSW = 6MHz

LX1 2V/DIV

SYNC 5V/DIV

VOUT RIPPLE 20mV/DIV

IL1 2A/DIV

FIGURE 61. STEADY STATE OPERATION CH1 AT FULL LOAD WITH

FSW = 6MHz

PHASE1 5V/DIV

VOUT 1V/DIV

PG1 5V/DIV

IL1 1A/DIV

FIGURE 62. OUTPUT SHORT CIRCUIT CHANNEL 1

PHASE1 5V/DIV

VOUT 1V/DIV

IL1 1A/DIV

PG1 5V/DIV

FIGURE 63. OUTPUT SHORT CIRCUIT RECOVERY (FROM HICCUP)

CHANNEL 1

FN6853 Rev 3.00

August 17, 2012

Page 20 of 26

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