參數(shù)資料
型號(hào)： LTC4266AIUHF-4#TRPBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： 電源管理
英文描述： POWER SUPPLY MANAGEMENT CKT, PQCC38
封裝： 7 X 5 MM, LEAD FREE, PLASTIC, MO-220WHKD, QFN-38
文件頁(yè)數(shù)： 26/28頁(yè)
文件大?。?/td> 325K
代理商： LTC4266AIUHF-4#TRPBF
LTC4266A/LTC4266C
7
4266acf
typicAl perForMAnce chArActeristics
Power-On Sequence in
AUTO Pin Mode
Powering Up into a 180F 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
VEE Supply Current vs Voltage
802.3at ILIM Threshold
vs Temperature
100ms/DIV
–70
–60
POR
TVOL
TAGE
(V)
10
0
–10
–20
–30
–40
–50
4266AC 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
4266AC 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
4266AC G03
PORT 1
VDD = 3.3V
VEE = –55V
PD IS CLASS 1
10ms/DIV
VEE
–17.6
PORT
VOLTAGE
10V/DIV
GND
4266AC G04
PORT 1
VDD = 3.3V
VEE = –55V
PD IS CLASS 4
1ST CLASS EVENT
2ND CLASS EVENT
50s/DIV
40mA
0mA
4266AC G05
–20V
PORT
VOLTAGE
1V/DIV
PORT
CURRENT
20mA/DIV
VDD = 3.3V
VEE = –54V
CLASSIFICATION CURRENT (mA)
–20
CLASSIFICA
TION
VOL
TAGE
(V)
–18
–16
–14
–12
–10
–8
–6
–4
–2
0
10
20
30
4266AC 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
4266AC G07
3.7 3.9 4.1 4.3
–40°C
25°C
85°C
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
4266AC G09
–80
120
VDD = 3.3V
VEE = –54V
RSENSE = 0.25
REG 48h = C0h
相關(guān)PDF資料
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC4266C 制造商:LINER 制造商全稱:Linear Technology 功能描述:12-Port PoE/PoE+/LTPoE++ PSE Controller
LTC4266CGW#PBF 制造商:Linear Technology 功能描述:POE Controller 25.5W 36-Pin SSOP 制造商:Linear Technology 功能描述:IC POE CONTROLLER 3.3V SSOP-36 制造商:Linear Technology 功能描述:IC QUAD POE CONTROLLER 3.3V 制造商:Linear Technology 功能描述:IC, POE CONTROLLER, 3.3V, SSOP-36; Input Voltage:3.3V; Supply Current:-2.4mA; UVLO:25V; Digital IC Case Style:SSOP; No. of Pins:36; Duty Cycle (%):60%; Frequency:1MHz; Operating Temperature Min:0C; Operating Temperature Max:70C ;RoHS Compliant: Yes
LTC4266CGW#TRPBF 制造商:Linear Technology 功能描述:POE Controller 25.5W 36-Pin SSOP W
LTC4266CIUHF#PBF 功能描述:IC CONTROLLER PSE QUAD 38-QFN RoHS:是 類別:集成電路 (IC) >> 接口 - 控制器 系列:- 標(biāo)準(zhǔn)包裝:2,450 系列:- 控制器類型:SPI 總線至 I²C 總線橋接 接口:I²C，串行，SPI 電源電壓:2.4 V ~ 3.6 V 電流 - 電源:11mA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:24-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:24-HVQFN（4x4） 包裝:托盤 配用:568-3511-ND - DEMO BOARD SPI TO I2C 其它名稱:935286452157SC18IS600IBSSC18IS600IBS-ND
LTC4266CIUHF#TRPBF 功能描述:IC CONTROLLER PSE QUAD 38-QFN RoHS:是 類別:集成電路 (IC) >> 接口 - 控制器 系列:- 標(biāo)準(zhǔn)包裝:2,450 系列:- 控制器類型:SPI 總線至 I²C 總線橋接 接口:I²C，串行，SPI 電源電壓:2.4 V ~ 3.6 V 電流 - 電源:11mA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:24-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:24-HVQFN（4x4） 包裝:托盤 配用:568-3511-ND - DEMO BOARD SPI TO I2C 其它名稱:935286452157SC18IS600IBSSC18IS600IBS-ND
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