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参数资料
型号： LTC4266CIUHF#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： 7 X 5 MM, LEAD FREE, PLASTIC, MO-220WHKD, QFN-38
文件页数： 27/28页
文件大小： 325K
代理商： LTC4266CIUHF#PBF
LTC4266A/LTC4266C
8
4266acf
typicAl perForMAnce chArActeristics
802.3af ILIM Threshold
vs Temperature
DC Disconnect Threshold
vs Temperature
Current Limit Foldback
ADC Noise Histogram
Current Readback in Fast Mode
ADC Integral Nonlinearity
Current Readback in Fast Mode
802.3at ICUT Threshold
vs Temperature
802.3af ICUT Threshold
vs Temperature
TEMPERATURE (°C)
–40
105.00
V LIM
(mV)
ILIM
(mA)
106.50
105.75
107.25
108.00
420
423
426
429
432
0
40
4266AC G10
80
120
VDD = 3.3V
VEE = –54V
RSENSE = 0.25
REG 48h = 80h
PORT 1
TEMPERATURE (°C)
–40
158
V CUT
(mV)
ICUT
(mA)
161
160
159
162
163
630
636
640
648
644
652
0
40
4266AC G11
80
120
VDD = 3.3V
VEE = –54V
RSENSE = 0.25
REG 47h = E2h
PORT 1
TEMPERATURE (°C)
–40
93.00
V CUT
(mV)
ICUT
(mA)
94.50
93.75
95.25
96.00
372
375
378
381
384
0
40
4266AC G12
80
120
VDD = 3.3V
VEE = –54V
RSENSE = 0.25
REG 47h = D4h
PORT 1
TEMPERATURE (°C)
–40
V MIN
(mV)
IMIN
(mV)
7.00
7.50
7.25
7.75
8.00
1.7500
1.8125
1.8750
1.9375
2.0000
0
40
4266AC G13
80
120
VDD = 3.3V
VEE = –54V
RSENSE = 0.25
REG 47h = E2h
PORT 1
ADC OUTPUT
191
0
B IN
COUNT
400
350
300
250
200
150
100
50
193
192
194
4266AC G15
195
196
VSENSEn – VEE = 110.4mV
CURRENT SENSE RESISTOR INPUT VOLTAGE (mV)
0
ADC
INTEGRAL
NONLINEARIT
Y(LSBs)
0
0.5
400
4266AC G16
–0.5
–1.0
100
200 250
500
1.0
300
50
150
450
350
VOUTn (V)
–54
0
I LIM
(mA)
V
LIM
(mV)
900
800
700
600
500
400
300
200
100
0
225
200
175
150
125
100
75
50
25
–36
–45
–27
4266AC G14
–18
–9
0
VDD = 3.3V
VEE = –54V
RSENSE = 0.25
REG 48h = C0h
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相关代理商/技术参数
参数描述
LTC4266CUHF#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 CONTROLLER 3.3V QFN-38 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:0C; Operating Temperature Max:70C; MSL:MSL 1 - Unlimited ;RoHS Compliant: Yes
LTC4266CUHF#TRPBF 制造商:Linear Technology 功能描述:POE Controller 25.5W 38-Pin QFN EP
LTC4266IGW#PBF 功能描述:IC CTRLR IEEE 802.3AT 36-SSOP 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
LTC4266IGW#TRPBF 制造商:Linear Technology 功能描述:Power Over Ethernet Controller 36-Pin SSOP W T/R 制造商:Linear Technology 功能描述:MS-Hot Swap/POE, PoE+ 25.5W Quad PSE Controller
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
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