參數(shù)資料
型號： ISL6420
廠商： Intersil Corporation
英文描述： Quadruple 2-Input Positive-AND Gates 14-SOIC -40 to 85
中文描述： 高級單同步降壓脈寬調(diào)制（PWM）控制器
文件頁數(shù)： 6/19頁
文件大?。?/td> 525K
代理商： ISL6420
6
FN9151.4
July 18, 2005
Absolute Maximum Ratings
(Note 1)
Thermal Information
Bias Voltage, VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+18V
BOOT and Ugate Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +24V
ESD Classification
Human Body Model (Per MIL-STD-883 Method 3015.7) . . 1500V
Charged Device Model (Per EOS/ESD DS5.3, 4/14/93) . . 2000V
Thermal Resistance (Typical)
QFN Package (Notes 2, 3). . . . . . . . . .
QSOP Package (Note 2) . . . . . . . . . . .
Maximum Junction Temperature (Plastic Package) . . . . . . . .150°C
Maximum Storage Temperature Range. . . . . . . . . . .-65°C to 150°C
Ambient Temperature Range. . . . . . . . . -40°C to 85°C (for “I” suffix)
Junction Temperature Range. . . . . . . . . . . . . . . . . . .-40°C to 125°C
θ
JA
(°C/W)
47
90
θ
JC
(°C/W)
8.5
NA
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:
1. All voltages are with respect to GND.
2.
θ
JA
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.
3. For
θ
JC
, the “case temp” location is the center of the exposed metal pad on the package underside.
Electrical Specifications
Operating Conditions, Unless Otherwise Noted: VIN = 12V, PV
CC
shorted with V
CC5
, T
A
= 25°C
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
VIN SUPPLY
Input Voltage Range
5.6
12
16
V
VIN SUPPLY CURRENT
Shutdown Current (Note 4)
ENSS = GND
-
1.4
-
mA
Operating Current (Notes 4, 5)
-
2.0
3.0
mA
VCC5 SUPPLY
(Notes 5, 6)
Input Voltage Range
VIN = VCC5 for 5V configuration
4.5
5.0
5.5
V
Output Voltage
VIN = 5.6V to 16V, I
L
= 3mA to 50mA
4.5
5.0
5.5
V
Maximum Output Current
VIN = 12V
50
-
-
mA
POWER-ON RESET
Rising V
CC5
Threshold
VIN connected to VCC5, 5V input
operation
4.32
4.4
4.45
V
Falling V
CC5
Threshold
4.09
4.1
4.25
V
UVLO Threshold Hysteresis
0.16
-
-
V
PWM CONVERTERS
Output Voltage (Note 7)
0.6
-
V
IN
- 0.5
V
Maximum Duty Cycle
F = 300kHz
90
96
-
%
Minimum Duty Cycle
F = 300kHz
-
-
0
%
FB pin bias current
-
80
-
nA
Undervoltage Protection
V
UV1
Fraction of the set point; ~3
μ
s noise filter
75
-
85
%
Overvoltage Protection
V
OVP1
Fraction of the set point; ~1
μ
s noise filter
112
-
120
%
OSCILLATOR
RT = VCC5, T
A
= -40°C to 85°C
270
300
330
kHz
Total Variation
T
A
= -40°C to 85°C, with freq. set by
external resistor at RT
-10
-
+10
%
Frequency Range (Set by RT)
VIN = 12V
100
-
1400
kHz
Ramp Amplitude
V
OSC
By design
-
1.25
-
V
P-P
ISL6420
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ISL6420AIAZS2698 制造商:Intersil Corporation 功能描述:PB-FREE SYNC BUCK PWM CONT. W/ 4.5V-28V INPUT,20LD QSOP - Rail/Tube 制造商:Rochester Electronics LLC 功能描述:
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