參數(shù)資料
型號(hào): LT3689IMSE-5#TRPBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: 1.95 A SWITCHING REGULATOR, 2160 kHz SWITCHING FREQ-MAX, PDSO16
封裝: LEAD FREE, PLASTIC, MSOP-16
文件頁(yè)數(shù): 31/32頁(yè)
文件大?。?/td> 2188K
代理商: LT3689IMSE-5#TRPBF
LT3689/LT3689-5
8
3689fd
TYPICAL PERFORMANCE CHARACTERISTICS
Watchdog Upper Boundary Period
Watchdog Lower Boundary Period
Reset Timeout Period
Watchdog Upper Boundary Period
vs Capacitance
Reset Timeout Period
vs Capacitance
Transient Duration
vs POR Comparator Overdrive
POR COMPARATOR OVERDRIVE VOLTAGE AS PERCENTAGE
OF RESET THRESHOLD, VRST (%)
0.10
400
TRANSIENT
DURA
TION
(s)
500
600
700
800
1.00
10.00
100.00
300
200
100
0
3689 G30
RESET OCCURS
ABOVE THE CURVE
TEMPERATURE (°C)
17
UPPER
BOUNDAR
YPERIOD,
t WDU
(ms)
18
19
20
21
3689 G31
–50 –25
0
25
50
100
75
125 150
CWDT = 1nF
MURATA:
GRM1882C1H102FA01
TEMPERATURE (°C)
5.0
LOWER
BOUNDAR
YPERIOD,
t WDL
(ms)
5.5
6.0
6.5
7.0
3689 G32
–50 –25
0
25
50
100
75
125 150
CWDT = 10nF
MURATA:
GRM1885C1H102FA01
TEMPERATURE (°C)
17
RESET
TIMEOUT
PERIOD,
t RST
(ms)
18
19
20
21
3689 G33
–50 –25
0
25
50
100
75
125 150
CPOR = 8.2nF
MURATA:
GRM2195C1H822FA01
0.001 0.01
0.1
1
10
100
1000
CWDT PIN CAPICITANCE, CWDT (nF)
UPPER
BOUNDAR
YPERIOD,
t WD
U
(ms)
3689 G34
100
10000
0.1
1
100000
1000
10
CPOR PIN CAPICITANCE, CPOR (nF)
RESET
TIMEOUT
PERIOD,
t RST
(ms)
3689 G35
10
1000
0.01
0.1
10000
100
1
0.001 0.01 0.1
1
10
100 1000 10000
Watchdog Lower Boundary Period
vs Capacitance
CWDT PIN CAPICITANCE, CWDT (nF)
LOWER
BOUNDAR
YPERIOD,
t WDL
(ms)
3689 G36
10
1000
0.01
0.1
10000
100
1
0.001 0.01 0.1
1
10
100 1000 10000
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