ISL6539CA Intersil, ISL6539CA Datasheet - Page 4

• 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

Absolute Maximum Ratings
Bias Voltage, VCC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +6.5V
Input Voltage, VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +18.0V
PHASE, UGATE . . . . . . . . . . . . . . . . . .GND - 5V (Note 1) to +24.0V
BOOT, ISEN . . . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to +24.0V
BOOT with Respect to PHASE . . . . . . . . . . . . . . . . . . . . . . . . . +6.5V
All Other Pins . . . . . . . . . . . . . . . . . . . . . . GND -0.3V to V
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
VIN
Input Voltage Pin Current (Sink)
Shut-Down Current
OSCILLATOR
Oscillator Frequency
Ramp Amplitude, Peak-to-Peak
Ramp Amplitude, Peak-to-Peak
Ramp Offset
Ramp/VIN Gain
Ramp/VIN Gain
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 with Schottky Diode” on page 17.
2. θ
JA
is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
PARAMETER
4
Recommended Operating Conditions, Unless Otherwise Noted.
SYMBOL
VROFF
ICCSN
ISOFT
VCCU
VCCD
GRB1
GRB2
IVINS
VREF
fOSC
IVIN
VR1
VR2
VST
ICC
ISL6539C
VIN pin voltage = 16V (Note 3)
VIN pin voltage = 5V (Note 3)
VIN pin voltage > 4.2V (Note 3)
VIN pin voltage ≤ 4.1V (Note 3)
(Note 3)
LGATEx, UGATEx Open, VSENx forced above
regulation point, DDR = 0, VIN >5V
ISL6539I
(Note 3)
CC
+ 0.3V
ISL6539
TEST CONDITIONS
Thermal Information
Thermal Resistance (Typical, Note 2)
Maximum Junction Temperature (Plastic Package). . . . . . . . +150°C
Maximum Storage Temperature Range . . . . . . . . . .-65°C to +150°C
Pb-free reflow profile . . . . . . . . . . . . . . . . . . . . . . . . . .see link below
Recommended Operating Conditions
Bias Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +5.0V
Input Voltage, VIN . . . . . . . . . . . . . . . . . . . . .+3.3V or 5.0V to +18.0V
Ambient Temperature Range, Commercial . . . . . . . . . 0°C to +70°C
Junction Temperature Range, Commercial . . . . . . . . 0°C to +125°C
Ambient Temperature Range, Industrial . . . . . . . . . .-40°C to +85°C
Junction Temperature Range, Industrial . . . . . . . . .-40°C to +125°C
QSOP Package . . . . . . . . . . . . . . . . . . . . . . . . . . . .
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
4.30
4.00
MIN
255
245
-1.0
-
-
-
-
-
-
-
-
-
-
-
-
0.625
TYP
4.45
4.14
300
300
125
250
1.8
0.9
4.5
1.5
2
1
-
-
-
-
MAX
4.50
4.34
+1.0
345
345
3.0
35
1
1
-
-
-
-
-
-
-
-
θ
April 29, 2010
JA
UNITS
mV/V
mV/V
FN9144.6
80
kHz
kHz
(°C/W)
mA
µA
µA
µA
µA
%
V
V
V
V
V
V
V
±
5%