ISL6539CA Intersil, ISL6539CA Datasheet - Page 3

• Manufacturer Part Number: ISL6539CA
• Description: IC CTRLR DDR DRAM, SDRAM 28QSOP
• Manufacturer: Intersil

Specifications of ISL6539CA

• Applications: Controller, DDR DRAM, SDRAM
• Voltage - Input: 3.3 ~ 18 V
• Number Of Outputs: 2
• Voltage - Output: 0.9 ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 28-QSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Generic Application Circuits
5.0V TO 15V
3.3V OR
5.0V TO 15V
VREF
3.3V OR
V
IN
V
IN
5V
FIGURE 2. ISL6539 APPLICATION CIRCUIT FOR COMPLETE DDR MEMORY POWER SUPPLY
5V
FIGURE 1. ISL6539 APPLICATION CIRCUIT FOR TWO CHANNEL POWER SUPPLY
3
PG2/VREF
OCSET1
DDR
VCC
OCSET2
EN2
OCSET1
EN1
DDR
VCC
EN2
EN1
PWM1
PWM2
PWM1
PWM2
ISL6539
OCSET2
Q1
Q2
Q2
Q1
L1
C1
L1
+
C1
+
Q4
Q3
Q3
Q4
L2
C2
L2
+
C2
+
VDDQ
VTT
V
V
OUT1
OUT2
April 29, 2010
FN9144.6