參數(shù)資料
型號(hào): LTC4266IGW#PBF
廠商: Linear Technology
文件頁(yè)數(shù): 30/30頁(yè)
文件大?。?/td> 0K
描述: IC CTRLR IEEE 802.3AT 36-SSOP
產(chǎn)品培訓(xùn)模塊: Power over Ethernet
標(biāo)準(zhǔn)包裝: 32
控制器類型: 以太網(wǎng)控制器(IEEE 802.3)
接口: I²C,2 線串口
電源電壓: 3.3V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 36-BSOP(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 36-SSOP
包裝: 管件
產(chǎn)品目錄頁(yè)面: 1338 (CN2011-ZH PDF)
LTC4266
9
4266fd
TYPICAL PERFORMANCE CHARACTERISTICS
ADC Noise Histogram
Current Readback in Slow Mode
ADC Integral Nonlinearity
Current Readback in Slow Mode
ADC Noise Histogram Port
Voltage Readback in Fast Mode
ADC Integral Nonlinearity
Voltage Readback in Fast Mode
ADC Noise Histogram Port
Voltage Readback in Slow Mode
ADC Integral Nonlinearity
Voltage Readback in Slow Mode
INTandSDAOUTPullDownVoltage
vs Load Current
MOSFET Gate Drive With Fast
Pull Down
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
100μs/DIV
GND
0mA
4266 G24
VEE
PORT
CURRENT
500mA/DIV
GATE
VOLTAGE
10V/DIV
PORT
VOLTAGE
20V/DIV
CURRENT LIMIT
50Ω FAULT REMOVED
50Ω
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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