參數(shù)資料
型號: LTC4241IGN#PBF
廠商: Linear Technology
文件頁數(shù): 3/16頁
文件大?。?/td> 279K
描述: IC CTRLR HOTSWAP 3.3V AUX 20SSOP
標(biāo)準(zhǔn)包裝: 55
類型: 熱交換控制器
應(yīng)用: PCI,PCI-X
內(nèi)部開關(guān):
電源電壓: 3.3V,5V,±12V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 20-SSOP(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 20-SSOP
包裝: 管件
LTC4241
3
sn4241 4241f
Note 1: Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
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.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX    UNITS
V
GATE
External Gate Voltage
(V
12VIN
  V
GATE
)
q
100
200
mV
V
DROP
Internal Switch Voltage Drop
(V
12VIN
  V
12VOUT
), I
12VOUT
 = 500mA
q
200
600
mV
(V
EEOUT
  V
VEEIN
), I
VEEIN
 = 100mA
q
120
250
mV
I
CL(12)
Current Limit
12V
IN
 = 12V, 12V
OUT
 = 0V, TIMER = GND
q
50
300    575
mA
12V
IN
= 12V, 12V
OUT
 = 11V, TIMER = GND
q    525    850   1500
mA
I
CL(VEE)
Current Limit
V
EEIN
 = 12V, V
EEOUT
 = 0V, TIMER = GND
q
50
200
425
mA
V
EEIN
 = 12V, V
EEOUT
 = 11V, TIMER = GND
q
250
450
750
mA
T
TS
Thermal Shutdown Temperature
150
V
PG(TH)
Power Good Threshold Voltage
V
12VOUT
  Rising
q    10.8
11.1
11.4
V
V
VEEOUT
  Falling
q    10.2   10.5   10.8
V
V
3VOUT
  Rising
q
2.8
2.9
3.0
V
V
5VOUT
  Rising
q
4.5
4.65
4.78
V
V
PGH
Power Good Hysteresis
3V
OUT
20
mV
5V
OUT
30
mV
12V
OUT
, V
EEOUT
50
mV
V
IL
Input Low Voltage
ON, AUXON
q
0.8
V
V
IH
Input High Voltage
ON, AUXON
q
2
V
V
OL
Output Low Voltage
FAULT, PWRGD , I
OL
 = 3mA
q
0.4
V
I
IN
AUXON Pin Input Current
AUXON = GND
q
?.08
?0
礎(chǔ)
AUXON = V
AUXIN
q
?.08
?0
礎(chǔ)
ON Pin Input Current
ON = GND
q
?.08
?0
礎(chǔ)
ON = V
12VIN
q
?.08
?0
礎(chǔ)
5V
SENSE
 Input Current
5V
SENSE
 = 5V
q
50
100
礎(chǔ)
3V
SENSE
 Input Current
3V
SENSE
 = 3V
q
50
100
礎(chǔ)
5V
IN
 Input Current
5V
IN
 = 5V
q
580
900
礎(chǔ)
3V
IN
 Input Current
3V
IN
 = 3V
q
310
550
礎(chǔ)
5V
OUT
 Input Current
5V
OUT
 = 5V, ON = V
12VIN
q
260
500
礎(chǔ)
3V
OUT
 Input Current
3V
OUT
 = 3V, ON = V
12VIN
q
150
350
礎(chǔ)
R
DIS
5V
OUT
 Discharge Impedance
ON = GND
60
&
3V
OUT
 Discharge Impedance
ON = GND
50
&
12V
OUT
 Discharge Impedance
ON = GND
450
&
V
EEOUT
 Discharge Impedance
ON = GND
1600
&
I
TIMER
TIMER Pin Current
Timer On, V
TIMER
 = GND,
q
15
22
27
礎(chǔ)
Timer Off, V
TIMER
 = 5V,
45
mA
V
TIMER
TIMER Threshold Voltage
(V
12VIN
  V
TIMER
)
q
0.5
0.9
1.3
V
V
AUXCB
Circuit Breaker Trip Voltage
(V
AUXIN
  V
AUXSENSE
)
q
40
50
60
mV
I
AUXGATE
AUXGATE Gate Output Current
AUXON High, FAULT High, V
AUXGATE
 = GND
q
6
10
14
礎(chǔ)
AUXON Low, FAULT High, V
AUXGATE
 = 5V
200
礎(chǔ)
AUXON High, FAULT Low, V
AUXGATE
 = 10V
50
mA
V
AUXGATE
External AUXGATE Gate Voltage
(V
AUXGATE
  V
AUXIN
), V
AUXIN
 = 3.3V
q
5
8
11
V
Note 3 : An internal zener on the AUXGATE pin clamps the charge pump
voltage to a typical maximum operating voltage of 12V. External overdrive
of the AUXGATE pin beyond the internal zener voltage may damage the
device.
DC ELECTRICAL CHARACTERISTICS
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)
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