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參數(shù)資料
| 型號(hào)： | ISL6752 |
| 廠商： | Intersil Corporation |
| 英文描述： | Octal Buffers/Drivers With 3-State Outputs 20-PDIP -40 to 85 |
| 中文描述： | ZVS全橋電流模式PWM可調(diào)的同步整流控制 |
| 文件頁(yè)數(shù)： | 5/16頁(yè) |
| 文件大小： | 436K |
| 代理商： | ISL6752 |
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5
FN9181.1
March 10, 2005
Absolute Maximum Ratings
Thermal Information
Supply Voltage, VDD . . . . . . . . . . . . . . . . . . . GND - 0.3V to +20.0V
OUTxxx . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to VDD
Signal Pins. . . . . . . . . . . . . . . . . . . . . . .GND - 0.3V to V
REF
+ 0.3V
VREF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to 6.0V
Peak GATE Current. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.1A
ESD Classification
Human Body Model (Per MIL-STD-883 Method 3015.7). . .3000V
Charged Device Model (Per EOS/ESD DS5.3, 4/14/93) . . .1000V
Operating Conditions
Temperature Range
ISL6752AAxx . . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to 105°C
Supply Voltage Range (Typical). . . . . . . . . . . . . . . . . . . . . 9-16 VDC
Thermal Resistance Junction to Ambient (Typical)
16 Lead QSOP (Note 1). . . . . . . . . . . . . . . . . . . . . .
Maximum Junction Temperature . . . . . . . . . . . . . . . .-55°C to 150°C
Maximum Storage Temperature Range. . . . . . . . . . .-65°C to 150°C
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . .300°C
(QSOP- Lead Tips Only)
θ
JA
(°C/W)
95
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 with respect to GND.
Electrical Specifications
Recommended operating conditions unless otherwise noted. Refer to Block Diagram and Typical Application
schematic. 9V < VDD< 20V, RTD = 10.0k
, CT = 470pF, T
A
= -40°C to 105°C (Note 3), Typical values are at
T
A
= 25°C
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
SUPPLY VOLTAGE
Supply Voltage
-
-
20
V
Start-Up Current, I
DD
V
DD
= 5.0V
-
175
400
μA
Operating Current, I
DD
R
LOAD
, C
OUT
= 0
-
11.0
15.5
mA
UVLO START Threshold
8.00
8.75
9.00
V
UVLO STOP Threshold
6.50
7.00
7.50
V
Hysteresis
-
1.75
-
V
REFERENCE VOLTAGE
Overall Accuracy
I
VREF
= 0-10mA
4.850
5.000
5.150
V
Long Term Stability
T
A
= 125°C, 1000 hours (Note 4)
-
3
-
mV
Operational Current (source)
-10
-
-
mA
Operational Current (sink)
5
-
-
mA
Current Limit
VREF = 4.85V
-15
-
-100
mA
CURRENT SENSE
Current Limit Threshold
VERR = VREF
0.97
1.00
1.03
V
CS to OUT Delay
Excl. LEB (Note 4)
-
35
50
ns
Leading Edge Blanking (LEB) Duration
(Note 4)
50
70
100
ns
CS to OUT Delay + LEB
T
A
= 25°C
-
-
130
ns
CS Sink Current Device Impedance
V
CS
= 1.1V
-
-
20
Input Bias Current
V
CS
= 0.3V
-6.00
-
-2.00
μA
CS to PWM Comparator Input Offset
T
A
= 25°C
65
80
95
mV
PULSE WIDTH MODULATOR
VERR Pull-Up Current Source
VERR = 2.50V
0.80
1.00
1.30
mA
VERR VOH
I
LOAD
= 0mA
4.20
-
-
V
ISL6752
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