參數(shù)資料
型號(hào)： LTC4263CDE#PBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： 微控制器/微處理器
英文描述： Single IEEE 802.3af Compliant PSE Controller with Internal Switch; Package: DFN; No of Pins: 14; Temperature Range: 0°C to +70°C
中文描述： SPECIALTY MICROPROCESSOR CIRCUIT, PDSO14
封裝： 4 X 3 MM, LEAD FREE, PLASTIC, MO-229WGED-3, DFN-14
文件頁(yè)數(shù)： 18/24頁(yè)
文件大小： 349K
代理商： LTC4263CDE#PBF
LTC4263
3
4263fe
ELECTRICAL CHARACTERISTICS The l denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. VDD48 – VSS = 48V and VDD5 not driven externally. All voltages are
relative to VSS unless otherwise noted. (Notes 2, 5)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VOVLO_OFF
OVLO Turn-Off Voltage
VDD48 – VSS Increasing
l
66
70
74
V
VOVLO_HYS OVLO Hysteresis
l
0.2
2
V
VDD5
VDD5 Supply Voltage
Driven Externally
l
4.5
5
5.5
V
VDD5 Internal Supply
Driven Internally
l
4.3
4.4
4.5
V
IDD48
VDD48 Supply Current
VDD5 – VSS = 5V
Internal VDD5
l
1
2
4
mA
IDD5
VDD5 Supply Current
VDD5 – VSS = 5V
l
12
mA
Power MOSFET
RON
On-Resistance
I = 350mA, Measured From OUT to VSS
l
1.5
2.4
3.0
Ω
IOUT_LEAK
OUT Pin Leakage
VOUT – VSS = VDD48 – VSS = 57V
l
110
μA
RPU
OUT Pin Pull-Up Resistance to VDD48
0V ≤ (VDD48 – VOUT) ≤ 5V
l
360
500
640
kΩ
Current Control
ICUT
Overload Current Threshold
Class 0, Class 3, Class 4 (Note 6)
Class 2
Class 1
l
355
165
95
375
175
100
395
185
105
mA
ILIM
Short-Circuit Current Limit
VOUT – VSS = 5V
VDD48 – VOUT = 30V
l
405
425
445
mA
IFB
Foldback Current Limit
VDD48 – VOUT = 0V (Note 7)
VDD48 – VOUT = 10V
l
30
110
60
140
120
180
mA
IMIN
DC Disconnect Current Threshold
l
5.2
7.5
9.8
mA
IFAULT
High Speed Fault Current Limit
(Note 8)
l
500
650
800
mA
Detection
IDET
Detection Current
First Point, VDD48 – VOUT = 10V
Second Point, VDD48 – VOUT = 3.5V
l
235
160
255
180
275
200
μA
VDET
Detection Voltage Compliance
VDD48 – VOUT, Open Port
VDD48 – VSS = 57V
l
21
V
RDETMIN
Minimum Valid Signature Resistance
l
15.5
17
18.5
kΩ
RDETMAX
Maximum Valid Signature Resistance
l
27.5
29.7
32
kΩ
ROPEN
Open Circuit Threshold
l
500
2000
kΩ
Classication
VCLASS
Classication Voltage
VDD48 – VOUT, 0mA ≤ ICLASS ≤ 50mA
l
16.5
20.5
V
ICLASS
Classication Current Compliance
VOUT = VDD48
l
55
60
75
mA
ITCLASS
Classication Threshold Current
Class 0 – 1
Class 1 – 2
Class 2 – 3 (Note 9)
l
5.5
13.5
21.5
6.5
14.5
23
7.5
15.5
24.5
mA
Power Management
VPWRMGT
Power Management Pin Threshold
l
0.98
1
1.02
V
IPWRMGT
Power Management Pin Output Current
Class 0, Class 3, Class 4
Class 1
Class 2
l
–75.6
–19.6
–34.3
–72.3
–18.8
–32.8
–69
–17.9
–31.3
μA
AC Disconnect
ROSC
OSC Pin Input Impedance
2V ≤ (VOSC – VSS) ≤ 3V
l
175
250
325
kΩ
IOSC
OSC Pin Output Current
VOSC – VSS = 2V
l
–140
140
μA
fOSC
OSC Pin Frequency
VOSC – VSS = 2V
l
103
110
115
Hz
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC4263CDE-TRPBF 制造商:LINER 制造商全稱:Linear Technology 功能描述:Single IEEE 802.3af Compliant PSE Controller with Internal Switch
LTC4263CS 制造商:LINER 制造商全稱:Linear Technology 功能描述:Single IEEE 802.3af Compliant PSE Controller with Internal Switch
LTC4263CS#PBF 功能描述:IC IEEE 803.2AF CNTRLR 14-SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:119 系列:- 類型:熱交換控制器 應(yīng)用:通用型，PCI Express? 內(nèi)部開(kāi)關(guān):無(wú) 電流限制:- 電源電壓:3.3V，12V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:80-TQFP 供應(yīng)商設(shè)備封裝:80-TQFP（12x12） 包裝:托盤(pán) 產(chǎn)品目錄頁(yè)面:1423 (CN2011-ZH PDF)
LTC4263CS#TRPBF 功能描述:IC IEEE 803.2AF CNTRLR 14-SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 熱交換 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:100 系列:- 類型:熱插拔開(kāi)關(guān) 應(yīng)用:通用 內(nèi)部開(kāi)關(guān):是 電流限制:可調(diào) 電源電壓:9 V ~ 13.2 V 工作溫度:-40°C ~ 150°C 安裝類型:表面貼裝 封裝/外殼:10-WFDFN 裸露焊盤(pán) 供應(yīng)商設(shè)備封裝:10-TDFN-EP（3x3） 包裝:管件
LTC4263CS-PBF 制造商:LINER 制造商全稱:Linear Technology 功能描述:Single IEEE 802.3af Compliant PSE Controller with Internal Switch
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