ISL8036 View Datasheet(PDF) - Renesas Electronics

Part Name

Description

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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)

1.820

1.815

LX1 2V/DIV

1.810

1.805

1.800

4A

0A

1.795

6A

1.790

2.5

3.0

3.5

4.0

4.5

5.0

5.5

INPUT VOLTAGE (V)

FIGURE 48. OUTPUT VOLTAGE REGULATION vs VIN, TA = +25°C

VOUT RIPPLE 20mV/DIV

IL1 0.5A/DIV

FIGURE 49. STEADY STATE OPERATION AT NO LOAD CHANNEL 1

LX1 2V/DIV

LX2 2V/DIV

VOUT RIPPLE 20mV/DIV

IL1 2A/DIV

VOUT RIPPLE 20mV/DIV

IL2 2A/DIV

FIGURE 50. STEADY STATE OPERATION WITH FULL LOAD CHANNEL 1

FIGURE 51. STEADY STATE OPERATION WITH FULL LOAD CHANNEL 2

LX1 5V/DIV

LX1 5V/DIV

LX2 5V/DIV

LX2 5V/DIV

IL1 1A/DIV

IL2 1A/DIV

FIGURE 52. STEADY STATE OPERATION AT NO LOAD CHANNEL 1

AND 2

IL1 1A/DIV

IL2 1A/DIV

FIGURE 53. STEADY STATE OPERATION AT FULL LOAD CHANNEL 1

AND 2

FN6853 Rev 3.00

August 17, 2012

Page 18 of 26

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