ISL6225 Ver la hoja de datos (PDF) - Intersil

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ISL6225

Dual Mobile-Friendly PWM Controller with DDR Memory Option

Intersil 

Generic Application Circuits

ISL6225

ENABLE OCSET1

+VIN

+3.3V TO +24V

+5V

EN1

EN2

VCC

DDR

OCSET2

PWM1

PWM2

Q1

L1

+

Q2

C1

VOUT1

+1.80V

Q3

L2

VOUT2

+1.20V

+

Q4

C2

FIGURE 1. ISL6225 APPLICATION CIRCUIT FOR TWO CHANNEL POWER SUPPLY

ENABLE OCSET1

+VIN

+3.3V TO +24V

+5V

EN1

EN2

VCC

DDR

PG2/VREF

PWM1

PWM2

Q1

L1

+

Q2

C1

VDDQ

+2.50V

OCSET2

Q3

L2

VTT

+1.25V

+

Q4

C2

VREF

+1.25V

FIGURE 2. ISL6225 APPLICATION CIRCUIT FOR COMPLETE DDR MEMORY POWER SUPPLY

6

FN9049.7

December 28, 2004

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