ISL6227CAZ Intersil, ISL6227CAZ Datasheet - Page 9

• Manufacturer Part Number: ISL6227CAZ
• Description: IC CONTROLLER DDR, DDR2 28QSOP
• Manufacturer: Intersil
• Type: Pulse Width Modulator Controllerr

Specifications of ISL6227CAZ

• Applications: Controller, DDR, DDR2
• Voltage - Input: 5 ~ 28 V
• Number Of Outputs: 2
• Voltage - Output: 0.9 ~ 5.5 V
• Operating Temperature: -10°C ~ 100°C
• Mounting Type: Surface Mount
• Package / Case: 28-QSOP
• Current, Output: 10 mA
• Current, Supply: 1.8 mA
• Frequency, Oscillator: 300 kHz
• Package Type: QSOP-28
• Regulator Type: DC-DC
• Voltage, Input: 5 V
• Voltage, Output: 5.5 V
• Voltage, Supply: 5 V
• Peak Reflow Compatible (260 C): Yes
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Typical Operation Performance
FIGURE 25. VIN = 19V, VDDQ 3A STEP LOAD, VTT 0A LOAD
FIGURE 27. VIN = 19V, LOAD STEP ON VTT,
PGOOD1
VDDQ
OCSET2
PGOOD1
OCSET2
Vin
VDDQ
VTT
VDDQ
VDDQ
VDDQ
VTT
OCSET2
OCSET2
VTT
VTT
VIN
FIGURE 29. INPUT LINE TRANSIENT IN DDR MODE
VTT
IL2
IL1
IL1
VDDQ
VTT
IL2
VDDQ HYS MODE, 0.14A
9
(Continued)
ISL6227
FIGURE 26. VIN = 19V, VDDQ 3A STEP LOAD, VTT 3A LOAD
FIGURE 28. VIN = 19V, LOAD STEP ON VTT,
PGOOD1
PGOOD1
VDDQ
VTT
VDDQ
FIGURE 30. VTT FOLLOWS VDDQ, ENABLE 2 IS HIGH
VDDQ
OCSET2
VDDQ
OCSET2
VTT
VTT
IL1
VTT
EN1
EN1
VDDQ
IL1
IL1
IL1
VDDQ
VTT
IL2
VTT
IL2
VDDQ PWM MODE, 0.14A
May 4, 2009
FN9094.7