参数资料
型号: LTC4266IUHF#PBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: 电源管理
英文描述: POWER SUPPLY MANAGEMENT CKT, PQCC38
封装: 5 X 7 MM, LEAD FREE, PLASTIC, MO-220WHKD, QFN-38
文件页数: 30/30页
文件大小: 414K
代理商: LTC4266IUHF#PBF
LTC4266
4266fa
typicAl perForMAnce chArActeristics
ADCNoiseHistogram
CurrentReadbackinSlowMode
ADCIntegralNonlinearity
CurrentReadbackinSlowMode
ADCNoiseHistogramPort
VoltageReadbackinFastMode
ADCIntegralNonlinearity
VoltageReadbackinFastMode
ADCNoiseHistogramPort
VoltageReadbackinSlowMode
ADCIntegralNonlinearity
VoltageReadbackinSlowMode
INTandSDAOUTPullDownVoltage
vsLoadCurrent
MOSFETGateDriveWithFast
PullDown
ADC OUTPUT
0
B IN
COUNT
300
250
200
150
100
50
6139
6141
4266 G17
6143
6145
6147
VSENSEn – VEE = 110.4mV
ADC OUTPUT
260
0
B IN
COUNT
600
500
400
300
200
100
262
261
263
4266 G19
264
265
AGND – VOUTn = 48.3V
ADC OUTPUT
8532
0
B IN
COUNT
600
500
400
300
200
100
8534
8533
8535
4266 G21
8536
AGND – VOUTn = 48.3V
LOAD CURRENT (mA)
0
PULL
DOWN
VOL
TAGE
(V)
3
2.5
2
1.5
1
0.5
10
5
15
4266 G23
20
25
30
35
40
100s/DIV
GND
0mA
4266 G24
VEE
PORT
CURRENT
500mA/DIV
GATE
VOLTAGE
10V/DIV
PORT
VOLTAGE
20V/DIV
CURRENT LIMIT
50 FAULT REMOVED
50
FAULT
APPLIED
VDD = 3.3V
VEE = –54V
FAST PULL DOWN
CURRENT SENSE RESISTOR INPUT VOLTAGE (mV)
0
ADC
INTEGRAL
NONLINEARIT
Y(LSBs)
0
0.5
400
4266 G18
–0.5
–1.0
100
200 250
500
1.0
300
50
150
450
350
PORT VOLTAGE (V)
0
ADC
INTEGRAL
NONLINEARIT
Y(LSBs)
0
0.5
50
4266 G20
–0.5
–1.0
20
30
60
1.0
40
10
PORT VOLTAGE (V)
0
ADC
INTEGRAL
NONLINEARIT
Y(LSBs)
0
0.5
50
4266 G22
–0.5
–1.0
20
30
60
1.0
40
10
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