ISL6227CA Intersil, ISL6227CA Datasheet - Page 3

• Manufacturer Part Number: ISL6227CA
• Description: IC CONTROLLER DDR, DDR2 28QSOP
• Manufacturer: Intersil

Specifications of ISL6227CA

• 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
• Lead Free Status / RoHS Status: Contains lead / RoHS non-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: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product reliability and
result in failures not covered by warranty.
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
1. 250ns transient. See Confining The Negative Phase Node Voltage Swing in Application Information Section
2. θ
3. θ
4. For θ
5. Limits established by characterization and are not production tested.
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 +28.0V
. . . . . . . . . . . . . . . . . . . . . . . . . . .+5.0V to +28.0V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +5.0V
3
Recommended Operating Conditions, Unless Otherwise Noted. Parameters with MIN and/or MAX limits are
100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization and are
not production tested.
SYMBOL
V
I
V
V
G
G
V
I
CCSN
I
VINS
V
V
ROFF
I
CCU
CCD
VIN
REF
CC
RB1
RB2
f
R1
R2
c
LGATEx, UGATEx Open, VSENx forced above
regulation point, V
Commercial, ISL6227C
Industrial, ISL6227I
V
V
(Note 5)
V
V
IN
IN
IN
IN
CC
= 16V (Note 5)
= 5V (Note 5)
≥ 4.2V (Note 5)
≤ 4.1V (Note 5)
+ 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
Pb-Free Reflow Profile. . . . . . . . . . . . . . . . . . . . . . . . .see link below
QSOP Package (Note 2)
QFN Package (Notes 3, 4)
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
. . . . . . . . . . . . .
. . . . . . . . . . . .
MIN
255
240
-1.0
4.3
4
-
-
-
-
-
-
-
-
-
-
0.625
TYP
4.45
4.14
300
300
125
250
1.8
0.9
2
1
-
-
-
-
θ
JA
(°C/W)
80
36
MAX
4.34
+1.0
345
345
3.0
4.5
35
1
1
-
-
-
-
-
-
θ
JC
May 4, 2009
UNITS
N/A
mV/V
mV/V
FN9094.7
(°C/W)
kHz
kHz
mA
6
µA
µA
µA
%
V
V
V
V
V
V