參數(shù)資料
型號: ISL6524
廠商: Intersil Corporation
英文描述: Adjustable Precision Shunt Regulator 3-SOT-23 -40 to 85
中文描述: VRM8.5 PWM和三線性電源系統(tǒng)控制器
文件頁數(shù): 4/16頁
文件大?。?/td> 445K
代理商: ISL6524
4
FN9015.3
April 18, 2005
Absolute Maximum Ratings
Thermal Information
Supply Voltage, V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+15V
PGOOD, RT/FAULT, DRIVE, PHASE, and
GATE Voltage. . . . . . . . . . . . . . . . . . . GND - 0.3V to V
CC
+ 0.3V
Input, Output or I/O Voltage. . . . . . . . . . . . . . . . . . GND -0.3V to 7V
ESD Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Class 1
Recommended Operating Conditions
Supply Voltage, V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . +12V
±
10%
Ambient Temperature Range. . . . . . . . . . . . . . . . . . . . 0
o
C to 70
o
C
Junction Temperature Range. . . . . . . . . . . . . . . . . . . 0
o
C to 125
o
C
Thermal Resistance (Typical, Note 1)
SOIC Package . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maximum Junction Temperature (Plastic Package) . . . . . . . .150
o
C
Maximum Storage Temperature Range. . . . . . . . . . -65
o
C to 150
o
C
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . .300
o
C
(SOIC - Lead Tips Only)
θ
JA
(
o
C/W)
70
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.
NOTE:
1.
θ
JA
is measured with the component mounted on a low effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
Electrical Specifications
Recommended Operating Conditions, Unless Otherwise Noted. Refer to Figures 1, 2 and 3
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
VCC SUPPLY CURRENT
Nominal Supply Current
I
CC
UGATE, LGATE, DRIVE2, DRIVE3, and
DRIVE4 Open
-
9
-
mA
POWER-ON RESET
Rising VCC Threshold
-
-
10.4
V
Falling VCC Threshold
8.2
-
-
V
Rising VAUX Threshold
-
2.5
-
V
VAUX Threshold Hysteresis
-
0.5
-
V
Rising V
OCSET
Threshold
-
1.26
-
V
OSCILLATOR
Free Running Frequency
F
OSC
185
200
215
kHz
Total Variation
6k
< RT to GND < 200k
;
Note 2
-15
-
+15
%
Ramp Amplitude
V
OSC
-
1.9
-
V
P-P
DAC REFERENCE
DAC (VID25-VID3) Input Low Voltage
0.8
V
DAC (VID25-VID3) Input High Voltage
2.0
V
DACOUT Voltage Accuracy
-1.0
-
+1.0
%
LINEAR REGULATORS (V
OUT2
, V
OUT3
, AND V
OUT4
)
Regulation Tolerance
-
3
-
%
VSEN3 Regulation Voltage
VREG
3
FIX = 0V
-
1.26
-
V
VSEN2 Regulation Voltage
VREG
2
-
1.2
-
V
VSEN3 Regulation Voltage
VREG
3
FIX = Open
-
1.5
-
V
VSEN4 Regulation Voltage
VREG
4
FIX = Open
-
1.8
-
V
VSEN3, 4 Undervoltage Level
VSEN3, 4
UV
VSEN3, 4 Rising
-
75
-
%
VSEN3, 4 Undervoltage Hysteresis
VSEN3, 4 Falling
7
%
Output Drive Current
VAUX-V
DRIVE2,3,4
> 0.6V
20
40
-
mA
SYNCHRONOUS PWM CONTROLLER ERROR AMPLIFIER
DC Gain
Note 2
-
88
-
dB
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