ISL6227CAZ-T Intersil, ISL6227CAZ-T Datasheet - Page 3

• Manufacturer Part Number: ISL6227CAZ-T
• Description: IC CONTROLLER DDR, DDR2 28QSOP
• Manufacturer: Intersil

Specifications of ISL6227CAZ-T

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

Absolute Maximum Ratings
Bias Voltage, V
Input Voltage, V
PHASE, UGATE . . . . . . . . . . . . . . . . . . . .GND-5V (Note 1) to 33.0V
BOOT, ISEN . . . . . . . . . . . . . . . . . . . . . . . . . . . GND-0.3V to +33.0V
BOOT with Respect to PHASE . . . . . . . . . . . . . . . . . . . . . . . . + 6.5V
All Other Pins . . . . . . . . . . . . . . . . . . . . . . GND -0.3V to V
Recommended Operating Conditions
Bias Voltage, V
Input Voltage, V
Ambient Temperature Range . . . . . . . . . . . . . . . . . -10°C to +100°C
Junction Temperature Range . . . . . . . . . . . . . . . . . -10°C to +125°C
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTES:
Electrical Specifications
VCC SUPPLY
Bias Current
Shut-down Current
VCC UVLO
Rising VCC Threshold
Falling VCC Threshold
V
Input Voltage Pin Current (Sink)
Shut-Down Current
OSCILLATOR
PWM1 Oscillator Frequency
Ramp Amplitude, pk-pk
Ramp Amplitude, pk-pk
Ramp Offset
Ramp/V
Ramp/V
REFERENCE AND SOFT-START
Internal Reference Voltage
Reference Voltage Accuracy
Soft-Start Current During Start-Up
Soft-Start Complete Threshold
1. 250ns transient. See Confining The Negative Phase Node Voltage Swing in Application Information Section
2. θ
3. θ
4. For θ
IN
Brief TB379.
JA
JA
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See Tech
is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
IN
IN
JC
Gain
Gain
, the “case temp” location is the center of the exposed metal pad on the package underside.
PARAMETER
CC
IN
IN
CC
. . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to +6.5V
. . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to +25.0V
. . . . . . . . . . . . . . . . . . . . . . . . . . .+5.0V to +24.0V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . +5.0V
3
Recommended Operating Conditions, Unless Otherwise Noted.
SYMBOL
V
I
V
V
I
G
G
V
I
CCSN
SOFT
I
VINS
V
V
ROFF
V
I
CCU
CCD
VIN
REF
CC
F
RB1
RB2
R1
R2
ST
c
LGATEx, UGATEx Open, VSENx forced above
regulation point, V
Commercial, ISL6227C
Industrial, ISL6227I
By design
V
V
By design
V
V
IN
IN
IN
IN
CC
= 16V, by design
= 5V, by design
≥ 4.2V, by design
≤ 4.1V by design
+ 0.3V
±
5%
ISL6227
TEST CONDITIONS
IN
> 5V
Thermal Information
Thermal Resistance (Typical)
Maximum Junction Temperature (Plastic Package). . . . . . . . +150°C
Maximum Storage Temperature Range . . . . . . . . . .-65°C to +150°C
SSOP Package (Note 2)
QFN Package(Notes 3, 4)
. . . . . . . . . . . . . .
. . . . . . . . . . . .
MIN
255
240
-1.0
4.3
4
-
-
-
-
-
-
-
-
-
-
-
-
0.625
TYP
4.45
4.14
300
300
125
250
-4.5
1.8
0.9
1.5
2
1
-
-
-
-
θ
JA
(°C/W)
80
36
MAX
4.34
+1.0
345
345
3.0
4.5
35
1
1
-
-
-
-
-
-
-
-
December 21, 2006
θ
JC
UNITS
N/A
mV/V
mV/V
FN9094.4
(°C/W)
kHz
kHz
mA
6
μA
μA
μA
μA
%
V
V
V
V
V
V
V