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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： | 28/30页 |
| 文件大小： | 414K |
| 代理商： | LTC4266IUHF#PBF |
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LTC4266
4266fa
typicAl perForMAnce chArActeristics
PowerOnSequenceinAutoMode
PoweringUpintoa180FLoad
802.3afClassificationin
AutoMode
2-EventClassificationin
AutoMode
ClassificationTransientResponse
to40mALoadStep
ClassificationCurrentCompliance
VDDSupplyCurrentvsVoltage
100ms/DIV
–70
–60
POR
TVOL
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
50s/DIV
40mA
0mA
4266 G05
–20V
PORT
VOLTAGE
1V/DIV
PORT
CURRENT
20mA/DIV
VDD = 3.3V
VEE = –54V
CLASSIFICATION CURRENT
–20
CLASSIFICA
TION
VOL
TAGE
(V)
–18
–16
–14
–12
–10
–8
–6
–4
–2
0
10
20
30
4266 G06
40
50
60
70
VDD = 3.3V
VEE = –54V
TA = 25°C
VDD SUPPLY VOLTAGE (V)
2.7
0.8
I DD
SUPPL
YCURRENT
(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
VEESupplyCurrentvsVoltage
802.3atILIMThresholdvs
Temperature
VEE SUPPLY VOLTAGE (V)
–60
2.0
I EE
SUPPL
YCURRENT
(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
0
40
4266 G09
–80
120
VDD = 3.3V
VEE = –54V
RSENSE = 0.25
REG 48h = C0h
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相关代理商/技术参数 |
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|---|---|
| LTC4267 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Quad IEEE 802.3at Power over Ethernet Controller |
| LTC4267-1 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Power over Ethernet IEEE 802.3af PD Interface with Integrated Switching Regulator |
| LTC4267-3 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Power over Ethernet IEEE 802.3af PD Interface with Integrated Switching Regulator |
| LTC4267CDHC | 制造商:Linear Technology 功能描述:Hot Swap Controller 1-CH -57V 16-Pin DFN EP |
| LTC4267CDHC#PBF | 功能描述:IC POE 802.3AF INTERFACE 16-DFN RoHS:是 类别:集成电路 (IC) >> 接口 - 控制器 系列:- 标准包装:2,450 系列:- 控制器类型:SPI 总线至 I²C 总线桥接 接口:I²C，串行，SPI 电源电压:2.4 V ~ 3.6 V 电流 - 电源:11mA 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:24-VFQFN 裸露焊盘 供应商设备封装:24-HVQFN（4x4） 包装:托盘 配用:568-3511-ND - DEMO BOARD SPI TO I2C 其它名称:935286452157SC18IS600IBSSC18IS600IBS-ND |
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