参数资料
型号: LTC4269CDKD-2
厂商: LINEAR TECHNOLOGY CORP
元件分类: 稳压器
英文描述: SWITCHING CONTROLLER, 560 kHz SWITCHING FREQ-MAX, PDSO32
封装: 7 X 4 MM, PLASTIC, M0-229, DFN-32
文件页数: 32/34页
文件大小: 383K
代理商: LTC4269CDKD-2
LTC4269-2
42692fb
Typical perForMance characTerisTics
Switching Frequency
vs Temperature
VIN Shutdown Current
vs Temperature
VIN Start-Up Current
vs Temperature
IQ (VIN) vs Temperature
SD_VSEC Turn On Threshold
vs Temperature
SD_VSEC Pin Current
vs Temperature
VIN Turn On/Off Voltage
vs Temperature
COMP Active Threshold
vs Temperature
COMP Source Current
vs Temperature
TEMPERATURE (°C)
–50
155
SWITCHING
FREQUENCY
(kHz)
185
245
0
50
75
42692 G10
170
230
215
200
–25
25
100 125
TEMPERATURE (°C)
–50
100
V IN
SHUTDOWN
CURRENT
(A)
200
500
0
50
75
42692 G11
150
400
300
450
350
250
–25
25
100 125
VIN = 15V
SD_VSEC = 0V
TEMPERATURE (°C)
–50
3.5
I Q
(mA)
4.5
6.5
0
50
75
42692 G13
4.0
6.0
5.5
5.0
–25
25
100 125
OC = OPEN
TEMPERATURE (°C)
–50
1.22
SD_V
SEC
TURN
ON
THRESHOLD
(V)
1.27
1.42
0
50
75
42692 G14
1.37
1.32
–25
25
100 125
TEMPERATURE (°C)
–50
0
SD_V
SEC
PIN
CURRENT
(A)
15
0
50
75
42692 G15
10
5
–25
25
100 125
0mA PIN CURRENT AFTER
PART TURN ON
PIN CURRENT BEFORE
PART TURN ON
TEMPERATURE (°C)
–50
0
COMP
(V)
0.4
1.6
1.4
1.2
0
50
75
42692 G17
0.2
1.0
0.8
0.6
–25
25
100 125
RISENSE = 0k
TEMPERATURE (°C)
–50
5.0
COMP
SOURCE
CURRENT
(mA)
12.5
0
50
75
42692 G18
10.0
7.5
–25
25
100 125
CURRENT OUT OF PIN
FB = 1V
COMP = 1.6V
TEMPERATURE (°C)
–50
V IN
STARTUP
CURRENT
(A)
200
500
0
50
75
42692 G12
400
300
450
600
550
350
250
–25
25
100 125
SD_VSEC = 1.4V
TEMPERATURE (°C)
–50
6
8
V IN
(V)
18
16
14
12
0
50
75
42692 G16
10
–25
25
100 125
VIN TURN OFF VOLTAGE
VIN TURN ON VOLTAGE
相关PDF资料
PDF描述
LTC4269IDKD-2#TR SWITCHING CONTROLLER, 560 kHz SWITCHING FREQ-MAX, PDSO32
LTC4412IS6#TR 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6
LTC4412IS6#TRM 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6
LTC4558EUD#TR 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC20
LTC4558EUD 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC20
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