ISL85410 查看數據表（PDF） - Intersil
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ISL85410 Datasheet PDF : 21 Pages
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ISL85410
Absolute Maximum Ratings
VIN to GND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +42V
PHASE to GND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to VIN+0.3V (DC)
PHASE to GND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -2V to 43V (20ns)
EN to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +42V
BOOT to PHASE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +5.5V
COMP, FS, PG, SYNC, SS, VCC to GND . . . . . . . . . . . . . . . . . . -0.3V to +5.9V
FB to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +2.95V
ESD Rating
Human Body Model (Tested per JESD22-A114) . . . . . . . . . . . . . . . . . 2kV
Charged Device Model (Tested per JESD22-C101E). . . . . . . . . . . . .1.5kV
Latch Up (Tested per JESD-78A; Class 2, Level A) . . . . . . . . . . . . 100mA
Thermal Information
Thermal Resistance
θJA (°C/W) θJC (°C/W)
DFN Package (Notes 4, 5) . . . . . . . . . . . . . .
42
4.5
Maximum Junction Temperature (Plastic Package) . . . . . . . . . . . .+150°C
Maximum Storage Temperature Range . . . . . . . . . . . . . .-65°C to +150°C
Ambient Temperature Range . . . . . . . . . . . . . . . . . . . . . . .-40°C to +125°C
Operating Junction Temperature Range . . . . . . . . . . . . . .-40°C to +125°C
Pb-Free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see link below
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
Recommended Operating Conditions
Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to +125°C
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3V to 36V
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 for details.
5. For θJC, the “case temp” location is the center of the exposed metal pad on the package underside.
Electrical Specifications TA = -40°C to +125°C, VIN = 3V to 36V, unless otherwise noted. Typical values are at TA = +25°C. Boldface
limits apply over the junction temperature range, -40°C to +125°C
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
(Note 8)
MAX
TYP
(Note 8) UNITS
SUPPLY VOLTAGE
VIN Voltage Range
VIN Quiescent Supply Current
VIN Shutdown Supply Current
VCC Voltage
POWER-ON RESET
VIN
IQ
VFB = 0.7V, SYNC = 0V, FS = VCC
ISD
EN = 0V, VIN=36V (Note 6)
VCC VIN = 6V, IOUT = 0 to 10mA
3
36
V
80
µA
2
4
µA
4.5
5.1
5.7
V
VCC POR Threshold
Rising Edge
Falling Edge
2.35
2.75
2.95
V
2.6
V
OSCILLATOR
Nominal Switching Frequency
Minimum Off-Time
Minimum On-Time
FS Voltage
Synchronization Frequency
FS
tOFF
tON
VFS
SYNC
FS = VCC
Resistor from FS to GND = 340kΩ
Resistor from FS to GND = 32.4kΩ
VIN = 3V
(Note 9)
FS = 100kΩ
430
240
0.39
300
500
300
2000
150
90
0.4
570
kHz
360
kHz
kHz
ns
ns
0.41
V
2000
kHz
SYNC Pulse Width
100
ns
ERROR AMPLIFIER
Error Amplifier Transconductance Gain
gm External Compensation
165
230
295
µA/V
Internal Compensation
50
µA/V
FB Leakage Current
Current Sense Amplifier Gain
FB Voltage
VFB = 0.6V
RT
TA = -40°C to +85°C
TA = -40°C to +125°C
0.46
0.590
0.590
1
0.5
0.599
0.599
150
nA
0.54
V/A
0.606
V
0.607
V
6
FN8375.2
November 22, 2013
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