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參數(shù)資料
| 型號(hào)： | ISL6744AU |
| 廠商： | INTERSIL CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Octal Buffers/Drivers With 3-State Outputs 20-SOIC -40 to 85 |
| 中文描述： | 1 A SWITCHING CONTROLLER, 2000 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | PLASTIC, MO-187AA, MSOP-8 |
| 文件頁數(shù)： | 4/18頁 |
| 文件大小： | 403K |
| 代理商： | ISL6744AU |
4
FN9147.8
September 22, 2005
Absolute Maximum Ratings
Thermal Information
Supply Voltage, V
DD
. . . . . . . . . . . . . . . . . . . GND - 0.3V to +20.0V
OUTA, OUTB. . . . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to V
DD
Signal Pins. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .GND - 0.3V to 5V
Peak GATE Current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1A
ESD Classification
Human Body Model (Per MIL-STD-883 Method 3015.7). . .2000V
Machine Model (Per EIAJ ED-4701 Method C-111). . . . . . . .100V
Charged Device Model (Per EOS/ESD DS5.3, 4/14/93) . . .1000V
Operating Conditions
Temperature Range
ISL6744AU . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to 105°C
Supply Voltage Range (Typical). . . . . . . . . . . . . . . . . . . . 9-16 VDC
Thermal Resistance (Typical, Note 1)
8 Lead MSOP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8 Lead SOIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maximum Junction Temperature . . . . . . . . . . . . . . . .-55°C to 150°C
Maximum Storage Temperature Range. . . . . . . . . . .-65°C to 150°C
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . .300°C
θ
JA
(°C/W)
128
98
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.
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. All voltages are to be measured with respect to GND, unless otherwise specified.
Electrical Specifications
Recommended operating conditions unless otherwise noted. Refer to Block Diagram and Typical Application
schematic. 9V < V
D
< 16V, R
TD
= 51.1k
, C
T
= 470pF, T
A
= -40°C to 105°C (Note 4), Typical values are at
T
A
= 25°C
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
SUPPLY VOLTAGE
Start-Up Current, I
DD
V
DD
< START Threshold
-
-
175
μ
A
Operating Current, I
DD
R
LOAD
, C
OUTA,B
= 0
-
2.89
-
mA
C
OUTA,B
= 1nF
-
5
8.5
mA
UVLO START Threshold
5.9
6.3
6.6
V
UVLO STOP Threshold
5.3
5.7
6.3
V
Hysteresis
-
0.6
-
V
CURRENT SENSE
Current Limit Threshold
0.55
0.6
0.65
V
CS to OUT Delay
(Note 4)
-
35
-
ns
CS Sink Current
8
10
-
mA
Input Bias Current
-1
-
1
μ
A
PULSE WIDTH MODULATOR
Minimum Duty Cycle
V
ERROR
< C
T
Offset
-
-
0
%
Maximum Duty Cycle
C
T
= 470pF, R
TD
= 51.1k
-
94
-
%
C
T
= 470pF, R
TD
= 1.1k
(Note 4)
-
99
-
%
C
T
to SS Comparator Input Gain
(Note 4)
-
1
-
V/V
SS to SS Comparator Input Gain
(Note 4)
-
0.8
-
V/V
ISL6744
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