参数资料
型号: LTC4241CGN
厂商: Linear Technology
文件页数: 2/16页
文件大小: 279K
描述: IC CTRLR HOTSWAP PCI 3.3V 20SSOP
标准包装: 55
类型: 热交换控制器
应用: PCI,PCI-X
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: 20-SSOP(0.154",3.90mm 宽)
供应商设备封装: 20-SSOP
包装: 管件
LTC4241
2
sn4241 4241f
ORDER PART
NUMBER
T
JMAX
 = 150癈, ?/DIV>
JA
 = 135癈/W
LTC4241CGN
LTC4241IGN
ABSOLUTE   AXI  U   RATI  GS
W
W
U
PACKAGE/ORDER I  FOR  ATIO
U
W
(Note 1)
The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
 = 25?/SPAN>C. V
12VIN
 = 12V, V
VEEIN
 = 12V, V
3VIN
 = 3.3V, V
5VIN
 = 5V,
V
AUXIN
 = 3.3V. (Note 2)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX    UNITS
I
DD
V
12VIN
 Supply Current
ON = V
12VIN
q
2.5
8
mA
V
AUXIN
 Supply Current
AUXON = V
AUXIN
q
0.5
1.5
mA
V
LKO
Undervoltage Lockout,
12V
IN
q
 6.5
9
10.8
V
Low-to-High Transition
3V
IN
q    2.25
2.50
2.75
V
5V
IN
q    3.65
3.90
4.15
V
AUXIN
q    2.35
2.60
2.85
V
V
LKH
Undervoltage Lockout Hysteresis
3V
IN
, 5V
IN
20
mV
AUXIN
120
mV
V
SENSE5(TH)
Current Limit Sense Voltage
V
5VOUT
 = 0V
q
5.5
9
14.5
mV
Threshold (V
5VIN
  V
5VSENSE
)
V
5VOUT
 > 4V
q
40
55
70
mV
V
SENSE3(TH)
Current Limit Sense Voltage
V
3VOUT
 = 0V
q
5.5
9
14.5
mV
Threshold (V
3VIN
  V
3VSENSE
)
V
3VOUT
 > 2V
q
40
55
70
mV
t
CB
Circuit Breaker Trip Filter Time
(V
5VIN
  V
5VSENSE
) = Step 0 to 100mV
17
(V
AUXIN
  V
AUXSENSE
) = Step 0 to 100mV
8
I
GATE
GATE Pin Output Current
ON High, FAULT High, V
GATE
 = GND
q
20
60
100
ON Low, FAULT High, V
GATE
 = 5V
200
ON High, FAULT Low, V
GATE
 = 5V
5
25
35
mA
Consult LTC Marketing for parts specified with wider operating temperature ranges.
GN PACKAGE
20-LEAD NARROW PLASTIC SSOP
1
2
3
4
5
6
7
8
9
10
TOP VIEW
20
19
18
17
16
15
14
13
12
11
12V
OUT
V
EEOUT
5V
OUT
5V
IN
5V
SENSE
GATE
3V
SENSE
3V
IN
AUXON
AUXIN
12V
IN
V
EEIN
3V
OUT
TIMER
ON
FAULT
PWRGD
GND
AUXGATE
AUXSENSE
Supply Voltages
12V
IN
................................................................... 14V
V
EEIN
.................................................................. 14V
AUXIN ................................................................... 7V
Input Voltage
ON .........................................................0.3V to 14V
AUXON ..................................................0.3V to 14V
Output Voltages
(FAULT, PWRGD) ..................................0.3V to 14V
Analog Voltages
TIMER, 3V
IN
, 3V
SENSE
, GATE,
5V
SENSE
, 5V
IN
.............................0.3V to (12V
IN
 + 0.3V)
3V
OUT
, 5V
OUT
........................................0.3V to 14V
AUXSENSE ..........................0.3V to (AUXIN + 0.3V)
V
EEOUT
................................................ 14V to + 0.3V
12V
OUT
..................................................0.3V to 14V
AUXGATE ......................... Internally Limited (Note 3)
Operating Temperature Range
LTC4241CGN...........................................0癈 to 70癈
LTC4241IGN........................................40癈 to 85癈
Storage Temperature Range ..................65癈 to 150癈
Lead Temperature (Soldering,10sec)....................300癈
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