參數(shù)資料
型號: LTC1643ALIGN#TRPB
廠商: LINEAR TECHNOLOGY CORP
元件分類: 電源管理
英文描述: 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16
封裝: 0.150 INCH, LEAD FREE, PLASTIC, SSOP-16
文件頁數(shù): 11/16頁
文件大?。?/td> 231K
代理商: LTC1643ALIGN#TRPB
4
LTC1643AL
LTC1643AL-1/LTC1643AH
1643afb
TYPICAL PERFORMANCE CHARACTERISTICS
UW
TEMPERATURE (
°C)
–50
TIMER
CURRENT
(
A)
100
1643A G04
050
23.5
23.0
22.5
22.0
21.5
21.0
20.5
20.0
19.5
–25
25
75
125
Timer Current vs Temperature
TEMPERATURE (
°C)
–50
GATE
I
SINK
(mA)
25.0
22.5
20.0
17.5
15.0
12.5
10.0
25
75
1643A G05
–25
0
50
100
125
FAULT = LOW
Gate ISINK vs Temperature
TEMPERATURE (
°C)
–50
GATE
CURRENT
(
A)
90
80
70
60
50
40
0
50
75
1643A G06
–25
25
100
125
Gate Current vs Temperature
Power Good Threshold Voltage vs
Temperature (12VOUT)
TEMPERATURE (
°C)
–50
POWER
GOOD
THRESHOLD
VOLTAGE
(V)
11.14
11.12
11.10
11.08
11.06
11.04
0
50
75
1643A G07
–25
25
100
125
Power Good Threshold Voltage vs
Temperature (5VOUT)
TEMPERATURE (
°C)
–50
POWER
GOOD
THRESHOLD
VOLTAGE
(V)
4.68
4.67
4.66
4.65
4.64
4.63
4.62
25
75
1643A G08
–25
0
50
100
125
TEMPERATURE (
°C)
–50
POWER
GOOD
THRESHOLD
VOLTAGE
(V)
100
1643A G09
050
2.904
2.903
2.902
2.901
2.900
2.899
2.898
2.897
2.896
–25
25
75
125
Power Good Threshold Voltage vs
Temperature (3VOUT)
Power Good Threshold Voltage
vs Temperature (VEEOUT)
TEMPERATURE (
°C)
–50
POWER
GOOD
THRESHOLD
VOLTAGE
(V)
100
1643A G10
050
–10.58
–10.56
–10.54
–10.52
–10.50
–10.48
–10.46
–10.44
–10.42
–25
25
75
125
12V Internal Switch Voltage Drop
vs Temperature
TEMPERATURE (
°C)
325
300
275
250
225
200
175
150
LT1643A G11
INTERNAL
SWITCH
VOLTAGE
DROP
(mV)
–50
25
75
–25
0
50
100
125
I12VOUT = 500mA
VEE Internal Switch Voltage Drop
vs Temperature
TEMPERATURE (
°C)
–50
INTERNAL
SWITCH
VOLTAGE
DROP
(mV)
180
160
140
120
100
80
60
25
75
1643A G12
–25
0
50
100
125
IVEEIN = 100mA
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