參數(shù)資料
型號: LTC1644IGN
廠商: LINEAR TECHNOLOGY CORP
元件分類: 電源管理
英文描述: CompactPCI Bus Hot Swap Controller
中文描述: 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO20
封裝: 0.150 INCH, PLASTIC, SSOP-20
文件頁數(shù): 3/24頁
文件大小: 452K
代理商: LTC1644IGN
LTC1644
3
1644f
V
TH
Power Good Threshold Voltage
12V
OUT
V
EEOUT
3V
OUT
5V
OUT
V
3VONLY
=
V
5VIN
– V
3VIN
, V
5VOUT
= V
3VOUT
= 3V
V
EEIN
OFF/ON, RESETIN, FAULT
OFF/ON, RESETIN, FAULT
OFF/ON, RESETIN = 0V
OFF/ON, RESETIN = 12V
IN
RESETOUT, FAULT = 5V, OFF/ON = 0V, RESETIN = 3.3V
PWRGD = 5V, OFF/ON = 4V
5V
SENSE
= 5V, 5V
OUT
= 0V
3V
SENSE
= 3.3V, 3V
OUT
= 0V
5V
IN
= 5V, TIMER = 0V
3V
IN
= 3.3V, TIMER = FLOAT
3V
IN
= 3.3V, TIMER = 0V
5V
OUT
= 5V, OFF/ON = 0V, TIMER = 0V
3V
OUT
= 3.3V, OFF/ON = 0V, TIMER = 0V
OFF/ON = 0V, V
TIMER
= 0V
V
TIMER
= 5V, OFF/ON = 4V
(V
12VIN
– V
TIMER
), FAULT = 0V
OFF/ON = 4V
OFF/ON = 4V
OFF/ON = 4V
OFF/ON = 4V
PWRGD, RESETOUT, FAULT, I = 3mA
V
5VIN
= 5V
V
5VIN
= V
3VIN
= 3.3V
G
G
G
G
10.8
–10.4
2.8
4.50
50
–4
11.1
–10.5
2.9
4.62
107
–4.6
11.4
–11.1
3.0
4.75
200
–6.3
0.8
V
V
V
V
V
3VONLY
V
NOVEEIN
V
IL
V
IH
I
IN
3V Only Window Voltage
No V
EEIN
Threshold Voltage
Input Low Voltage
Input High Voltage
OFF/ON, RESETIN Input Current
G
mV
G
V
V
V
G
G
2
G
G
±
0.08
±
0.08
±
0.08
±
0.08
55
55
1
490
380
102
161
–21
45
1
45
60
430
625
±
10
±
10
±
10
±
10
100
100
1.5
625
550
400
500
–27
70
1.3
100
100
1000
1000
0.4
1.05
1.05
μ
A
μ
A
μ
A
μ
A
μ
A
μ
A
mA
μ
A
μ
A
μ
A
μ
A
μ
A
mA
RESETOUT, FAULT Output Current
PWRGD Output Current
5V
SENSE
Input Current
3V
SENSE
Input Current
5V
IN
Input Current
3V
IN
Input Current
G
G
G
G
G
G
G
5V
OUT
Input Current
3V
OUT
Input Current
TIMER Pin Current
G
G
I
TIMER
G
G
–15
30
0.5
V
TIMER
R
DIS
TIMER Threshold Voltages
5V
OUT
Discharge Impedance
3V
OUT
Discharge Impedance
12V
OUT
Discharge Impedance
V
EEOUT
Discharge Impedance
Output Low Voltage
PRECHARGE Reference Voltage
G
V
V
V
V
G
G
G
G
V
OL
V
PXG
G
G
G
0.95
0.95
1.00
1.00
ELECTRICAL CHARACTERISTICS
The
G
denotes the specifications which apply over the full operating temperature range, otherwise specifications are at T
A
= 25
°
C.
V
12VIN
= 12V, V
EEIN
= –12V, V
3VIN
= 3.3V, V
5VIN
= 5V unless otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
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.
相關PDF資料
PDF描述
LTC1644 CompactPCI Bus Hot Swap Controller
LTC1644CGN 8-Bit, 40 MSPS ADC Single Ch., Internal S&H, Low Power 24-TSSOP -40 to 85
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LTC1647-3IGN Dual Hot Swap Controllers
LTC1647 Low Power Timer 8-SO 0 to 70
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