参数资料
型号: LTC1643AHCGN#TR
厂商: Linear Technology
文件页数: 3/16页
文件大小: 236K
描述: IC CTRLR HOTSWAP PCI BUS 16SSOP
标准包装: 2,500
类型: 热交换控制器
应用: CompactPCI?
内部开关:
电源电压: 3.3V,5V,±12V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 16-SSOP(0.154",3.90mm 宽)
供应商设备封装: 16-SSOP
包装: 带卷 (TR)
3
LTC1643AL
LTC1643AL-1/LTC1643AH
 1643afb
DC ELECTRICAL CHARACTERISTICS
TYPICAL PERFORMANCE CHARACTERISTICS
W
3.3V and 5V Current
Foldback Profile
OUTPUT VOLTAGE (V)
0
11
10
9
8
7
6
5
4
3
2
1
0
4
1643A G01
1
2
3
5
R
SENSE
 = 0.005&
3V
OUT
5V
OUT
OUTPUT VOLTAGE (V)
0
1.0
0.5
0
8    10
1643A G03
2
4
6
12
OUTPUT VOLTAGE (V)
0
1.0
0.5
0
8
10
1643A G02
2
4
6
12
12V Current Foldback Profile
12V Current Foldback Profile
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
V
TH
Power-Good Threshold Voltage    V
3VOUT
0癈 d T
A
 d 70癈
?SPAN class="pst LTC1643AL-1CGN-PBF_2379535_11">   2.8
2.9
3.0
V
40癈 d T
A
 d 85癈
?/DIV>
2.75
2.9
3.0
V
V
5VOUT
0癈 d T
A
 d 70癈
?/DIV>
4.5
4.65
4.75
V
40癈 d T
A
 d 85癈
?/DIV>
4.4
4.65
4.75
V
 V
IL
Input Low Voltage
ON/ON, FAULT
?/DIV>
0.8
V
V
IH
Input High Voltage
ON/ON, FAULT
?/DIV>
2
V
V
OL
Output Low Voltage
FAULT, PWRGD, I = 3mA
?/DIV>
0.4
V
 I
IN
ON/ON Pin Input Current
ON/ON = GND
?/DIV>
?.08
?0
ON/ON= 12V
IN
?/DIV>
?.08
?0
5V
SENSE
 Input Current
5V
SENSE
 = 5V
?/DIV>
50
100
3V
SENSE
 Input Current
3V
SENSE
 = 3V
?/DIV>
50
100
5V
IN
 Input Current
5V
IN
 = 5V
?/DIV>
460
700
3V
IN
 Input Current
3V
IN
 = 3V
?/DIV>
320
600
5V
OUT
 Input Current
5V
OUT
 = 5V, ON = 3V, ON = GND
?/DIV>
240
500
3V
OUT
 Input Current
3V
OUT
 = 3.3V, ON = 3V, ON = GND
?/DIV>
220
500
R
DIS
5V
OUT
 Discharge Impedance
ON = GND or ON = 3V
100
&
3V
OUT
 Discharge Impedance
ON = GND or ON = 3V
70
&
12V
OUT
 Discharge Impedance
ON = GND or ON = 3V
450
&
V
EEOUT
 Discharge Impedance
ON = GND or ON = 3V
1600
&
I
TIMER
TIMER Pin Current
Timer On, V
TIMER
 = GND
?/DIV>
15
22
27
Timer Off, V
TIMER
 = 5V
 45
mA
V
TIMER
TIMER Threshold Voltage
(V
12VIN
  V
TIMER
)
?/DIV>
0.5
0.9
1.3
V
Note 2: All currents into device pins are positive; all currents out of device
pins are negative. All voltages are referenced to ground unless otherwise
specified.
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
The ?/SPAN> denotes specifications which apply over the full operating temperature range, otherwise specifications are T
A
 = 25?/SPAN>C.
V
12VIN
 = 12V, V
EEIN
 = 12V, V
3VIN
 = 3.3V, V
5VIN
 = 5V (Note 2)
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