參數資料
| 型號： | LTC4266IGW#PBF |
| 廠商： | Linear Technology |
| 文件頁數： | 28/30頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC CTRLR IEEE 802.3AT 36-SSOP |
| 產品培訓模塊： | Power over Ethernet |
| 標準包裝： | 32 |
| 控制器類型： | 以太網控制器（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） |
| 供應商設備封裝： | 36-SSOP |
| 包裝： | 管件 |
| 產品目錄頁面： | 1338 (CN2011-ZH PDF) |
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LTC4266
7
4266fd
TYPICAL PERFORMANCE CHARACTERISTICS
Power On Sequence
in AUTO Pin Mode
Powering Up into a 180μF Load
802.3af Classification
in AUTO Pin Mode
2-Event Classification
in Auto Pin Mode
Classification Transient Response
to 40mA Load Step
Classification Current Compliance
VDD Supply Current vs Voltage
100ms/DIV
–70
–60
POR
T
VOL
TAGE
(V)
10
0
–10
–20
–30
–40
–50
4266 G01
PORT 1
VDD = 3.3V
VEE = –54V
FORCED CURRENT DETECTION
FORCED VOLTAGE
DETECTION
802.3af
CLASSIFICATION
POWER ON
GND
VEE
5ms/DIV
GND
0mA
4266 G02
VEE
GATE
VOLTAGE
10V/DIV
PORT
CURRENT
200 mA/DIV
PORT
VOLTAGE
20V/DIV
FOLDBACK
FET ON
425mA
CURRENT LIMIT
LOAD
FULLY
CHARGED
VDD = 3.3V
VEE = –54V
5ms/DIV
VEE
–18.4
PORT
VOLTAGE
10V/DIV
GND
4266 G03
PORT 1
VDD = 3.3V
VEE = –55V
PD IS CLASS 1
10ms/DIV
VEE
–17.6
PORT
VOLTAGE
10V/DIV
GND
4266 G04
PORT 1
VDD = 3.3V
VEE = –55V
PD IS CLASS 4
1ST CLASS EVENT
2ND CLASS EVENT
50μs/DIV
40mA
0mA
4266 G05
–20V
PORT
VOLTAGE
1V/DIV
PORT
CURRENT
20mA/DIV
VDD = 3.3V
VEE = –54V
VDD SUPPLY VOLTAGE (V)
2.7
0.8
I DD
SUPPL
Y
CURRENT
(mA)
0.9
1.0
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
2.9
3.1
3.3
3.5
4266 G07
3.7
3.9
4.1
4.3
–40°C
25°C
85°C
VEE Supply Current vs Voltage
802.3at ILIM Threshold vs
Temperature
VEE SUPPLY VOLTAGE (V)
–60
2.0
I EE
SUPPL
Y
CURRENT
(mA)
2.1
2.2
2.3
2.4
–55 –50 –45 –40
4266 G08
–35 –30 –25 –20
–40°C
25°C
85°C
TEMPERATURE (°C)
–40
210
V
LIM
(mV)
ILIM
(mA)
211
213
212
214
215
840
844
852
848
856
860
040
4266 G09
–80
120
VDD = 3.3V
VEE = –54V
RSENSE = 0.25Ω
REG 48h = C0h
CLASSIFICATION CURRENT (mA)
–20
CLASSIFICA
TION
VOL
TAGE
(V)
–18
–16
–14
–12
–10
–8
–6
–4
–2
0
010
20
30
4266 G06
40
50
60
70
VDD = 3.3V
VEE = –54V
TA = 25°C
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LTC4266IUHF#PBF | 制造商:Linear Technology 功能描述:POE Controller 25.5W 38-Pin QFN EP 制造商:Linear Technology 功能描述:IC POE 802.3AT QUAD PSE 38-QFN 制造商:Linear Technology 功能描述:POE CNTRL QUAD 25.5W 1MHZ 制造商:Linear Technology 功能描述:IC, POE CONTROLLER, 3.3V, QFN-38; Input Voltage:3.3V; Supply Current:-2.4mA; UVLO:25V; Digital IC Case Style:QFN; No. of Pins:38; Frequency:1MHz; Operating Temperature Min:-40C; Operating Temperature Max:85C; MSL:MSL 1 - Unlimited ;RoHS Compliant: Yes |
| LTC4266IUHF#TRPBF | 制造商:Linear Technology 功能描述:POE Controller 25.5W 38-Pin QFN EP |
| LTC4267 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Quad IEEE 802.3at Power over Ethernet Controller |
| LTC4267-1 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Power over Ethernet IEEE 802.3af PD Interface with Integrated Switching Regulator |
| LTC4267-3 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Power over Ethernet IEEE 802.3af PD Interface with Integrated Switching Regulator |
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