參數(shù)資料
型號(hào)： LTC4269IDKD-2#TR
廠商： LINEAR TECHNOLOGY CORP
元件分類(lèi)： 穩(wěn)壓器
英文描述： SWITCHING CONTROLLER, 560 kHz SWITCHING FREQ-MAX, PDSO32
封裝： 7 X 4 MM, PLASTIC, M0-229, DFN-32
文件頁(yè)數(shù)： 34/34頁(yè)
文件大?。?/td> 383K
代理商： LTC4269IDKD-2#TR
LTC4269-2
42692fb
Typical perForMance characTerisTics
tDELAY: SOUT Rise to OUT Rise
vs Temperature
tDELAY: SOUT Rise to OUT Rise
vs RDELAY
OUT Rise/Fall Time vs OUT Load
Capacitance
OUT: Max Duty Cycle vs fOSC
OUT: Max Duty Cycle CLAMP
vs SD_VSEC
OUT: Max Duty Cycle CLAMP
vs SS_MAXDC
SS_MAXDC Setting vs fOSC
(for OUT DC = 72%)
SS_MAXDC Reset and Active
Thresholds vs Temperature
TEMPERATURE (°C)
–50
0
t DELAY
(ns)
50
200
0
50
75
42692 G28
150
100
–25
25
100 125
RDELAY = 40k
RDELAY = 120k
RDELAY (k)
0
t DELAY
(ns)
80
240
80
160
200
42692 G29
160
40
120
240
TA = 25°C
OUT LOAD CAPACITANCE (pF)
0
OUT
RISE/FALL
TIME
(ns)
50
25
125
2000
3000
100
75
1000
4000
5000
tr
tf
42692 G30
TA = 25°C
fOSC (kHz)
100
70
OUT
DUTY
CYCLE
(%)
80
100
200
300
90
400
500
42692 G31
TA = 25°C
SS_MAXDC = 2.5V
SD_VSEC = 1.4V
SD_VSEC (V)
1.32
0
70
OUT
MAX
DUTY
CYCLE
CLAMP
(%)
80
90
1.65
1.98
60
50
40
30
20
10
2.31
2.64
42692 G32
TA = 25°C
SS_MAXDC = 1.84V
fOSC = 200kHz
RDELAY = 10k
SS_MAXDC (V)
1.60
20
70
OUT
MAX
DUTY
CYCLE
CLAMP
(%)
80
90
1.84
2.08
60
50
40
30
42692 G33
TA = 25°C
fOSC = 200kHz
RDELAY = 10k
SD_VSEC = 1.32V
SD_VSEC = 1.98V
SD_VSEC = 2.64V
fOSC (kHz)
100
1.60
2.08
SS_MAXDC
(V)
2.20
2.32
500
400
300
200
1.96
1.84
1.72
42692 G34
TA = 25°C
SD_VSEC = 1.32V
RDELAY = 10k
0
0.8
SS_MAXDC
(mV)
1.0
1.2
0.6
0.4
0.2
42692 G35
TEMPERATURE (°C)
–50
0
50
75
–25
25
100 125
ACTIVE THRESHOLD
RESET THRESHOLD
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參數(shù)描述
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