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ISL95820IRTZ View Datasheet(PDF) - Intersil

Part Name
Description
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ISL95820IRTZ Datasheet PDF : 47 Pages
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ISL95820
Absolute Maximum Ratings
VDD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +7V
VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +28V
VCCP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +15V
BOOT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +36V
UGATE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . VPHASE - 0.3VDC to VBOOT + 0.3V
VPHASE - 3.5V (<100ns Pulse Width, 2µJ) to VBOOT + 0.3V
LGATE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3VDC to VVCCP + 0.3V
GND - 5V (<100ns Pulse Width, 2µJ) to VVCCP + 0.3V
PHASE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3VDC to 25VDC
GND - 8V (<400ns, 20µJ) to 30V (<200ns, VBOOT - GND < 36V)
Open Drain Outputs, PGOOD, VR_HOT#, ALERT#. . . . . . . . . . -0.3V to +7V
All Other Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to VDD + 0.3V
Thermal Information
Thermal Resistance (Typical)
θJA (°C/W) θJC (°C/W)
40 Ld TQFN Package (Notes 4, 5) . . . . . . .
31
3
Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . +150°C
Maximum Storage Temperature Range . . . . . . . . . . . . . -65°C to +150°C
Maximum Junction Temperature (Plastic Package) . . . . . . . . . . . +150°C
Storage Temperature Range. . . . . . . . . . . . . . . . . . . . . . . -65°C to +150°C
Recommended Operating Conditions
Supply Voltage, VDD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +5V ±5%
Input Voltage, VIN (Note 6) . . . . . . . . . . . . . . . . . . . . . . . . . . .+4.5V to 20.0V
Driver Supply Voltage, VCCP (Note 6). . . . . . . . . . . . . . . . . +4.5V to +13.2V
Ambient Temperature
CRTZ. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to +70°C
IRTZ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40°C to +85°C
Junction Temperature
CRTZ. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to +125°C
IRTZ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-40°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:
4. θJA is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See Tech
Brief TB379.
5. For θJC, the “case temp” location is the center of the exposed metal pad on the package underside.
6. It is recommended that VIN+VCCP not exceed 24V nominally. For VCCP < 7V, Diode Emulation Mode (DEM) must be disabled using the PROG2 pin
programming resistor.
Electrical Specifications Operating Conditions: VDD = 5V, TA = 0°C to +70°C (ISL95820CRTZ), TA = -40°C to +85°C
(ISL95820IRTZ), fSW = 300kHz, unless otherwise noted. Boldface limits apply over the operating temperature ranges.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
MAX
(Note 7) TYP (Note 7)
INPUT POWER SUPPLIES
VDD Supply Current
VIN Supply Current
VCCP No Load Switching Supply
Current
POWER-ON-RESET THRESHOLDS
IVDD
RVIN
IVIN
IVCCP
VVDD = 5V; VR_ON = 1V
VVDD = 5V; VR_ON = 0V
VVIN = 25V; VR_ON = 1V
VVIN = 25V; VR_ON = 0V
VVCCP = 12V; fsw = fsw_300k; Phases 1-3
active; CBOOT1,2,3 = 0.1µF
VVCCP = 12V; Phases inactive
6.4
8.0
125
600
1
8
0.72
1.5
VDD Power-On-Reset Threshold
VIN Power-On-Reset Threshold
VCCP Power-On-Reset Threshold
SYSTEM AND REFERENCES
VDD_PORr
VDD_PORf
VIN_PORr
VIN_PORf
VCCP_PORr
VCCP_PORf
VVDD rising
VVDD falling
VVIN rising
VVIN falling
VVCCP rising
VVCCP falling
4.3
4.35
4.5
4.0
4.15
4.3
3.75
4.00
4.5
3.05
3.50
3.7
4.0
4.30
4.5
3.45
3.90
4.1
Maximum Output Voltage
Minimum Output Voltage
Fast Slew Rate (for VID changes)
VOUT(MAX)
VOUT(MIN)
VID = [10110101]
VID = [00000001]
2.3
0.5
10
12
Slow Slew Rate (for VID changes)
2.5
3
UNITS
mA
µA
k
µA
mA
mA
V
V
V
V
V
V
V
V
mV/µs
mV/µs
8
FN8318.0
February 4, 2013
 

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