參數(shù)資料
型號(hào)： ISL6558CB
廠商： INTERSIL CORP
元件分類： 穩(wěn)壓器
英文描述： PWM Controller with Wide Input Voltage Range 8-SOIC -40 to 85
中文描述： SWITCHING CONTROLLER, 1500 kHz SWITCHING FREQ-MAX, PDSO16
封裝： PLASTIC, MS-012-AC, SOIC-16
文件頁(yè)數(shù)： 6/16頁(yè)
文件大?。?/td> 474K
代理商： ISL6558CB
6
FN9027.12
June 21, 2005
Absolute Maximum Ratings
Supply Voltage, VCC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+7V
Input, Output, or I/O Voltage . . . . . . . . . . .GND -0.3V to V
CC
+0.3V
ESD Classification
Human Body Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3kV
Machine Model. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .250V
Recommended Operating Conditions
Supply Voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +5V
±
5%
Ambient Temperature . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to 85°C
Maximum Operating Junction Temperature. . . . . . . . . . . . . . .125°C
Thermal Information
Thermal Resistance (Typical Notes 1, 2, 3)
θ
JA
(°C/W)
SOIC Package (Note 1) . . . . . . . . . . . .
QFN Package (Notes 2, 3). . . . . . . . . .
Maximum Junction Temperature. . . . . . . . . . . . . . . . . . . . . . .150°C
Maximum Storage Temperature Range . . . . . . . . . .-65°C to 150°C
Maximum Lead Temperature (Soldering 10s). . . . . . . . . . . . .300°C
(SOIC - Lead Tips Only)
θ
JC
(°C/W)
N/A
5
70
35
CAUTION: Stress 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 section of this specification is not implied.
NOTES:
1.
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.
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 for details.
3.
θ
JC
, "case temperature" location is at the center of the exposed metal pad on the package underside.
Electrical Specifications
Operating Conditions: V
CC
= 5V, T
A
= -40°C to 85°C. Unless Otherwise Specified.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
INPUT SUPPLY POWER
Input Supply Current
VCC = 5VDC; R
T
= 100k
±1%
-
10
15
mA
POWER-ON RESET (POR)
VCC Rising Threshold
4.25
4.38
4.5
V
VCC Falling Threshold
3.75
3.88
4.00
V
REFERENCE VOLTAGE
Reference Voltage
ISL6558CB, ISL6558CR, T
A
= 0°C to 70°C
0.792
0.8
0.808
V
ISL6558IB, ISL6558IR, T
A
= -40°C to 85°C
0.788
0.8
0.812
V
System Accuracy
ISL6558CB, ISL6558CR, T
A
= 0°C to 70°C
-1.0
-
1.0
%
ISL6558IB, ISL6558IR, T
A
= -40°C to 85°C
-1.5
-
1.5
%
OSCILLATOR
Channel Frequency Accuracy
R
T
= 100k
.
±1%
224
280
336
kHz
Adjustment Range
See Figure 3
0.08
-
1.5
MHz
Disable Voltage
Maximum voltage at FS/EN to disable controller. I
FS/EN
= 1mA
-
1.2
1.0
V
Sawtooth Amplitude
-
1.33
-
V
P-P
Channel Maximum Duty Cycle, by Design
(GBD)
-
75
-
%
ERROR AMPLIFIER
DC Gain (GNT)
R
L
= 10K to ground
-
72
-
dB
Gain-Bandwidth Product (GNT)
C
L
= 100pF, R
L
= 10K to ground
-
18
-
MHz
Slew Rate
C
L
= 100pF, Load =
±
400
μ
A
-
5.3
-
V/
μ
s
Maximum Output Voltage
R
L
= 10K to ground
3.6
4.1
-
V
ISEN
Recommended Full Scale Input Current
-
50
-
μ
A
Overcurrent Trip Level
67
-
85
μ
A
ISL6558
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