參數(shù)資料
型號： LTC4259A
廠商： Linear Technology Corporation
英文描述： Quad IEEE 802.3af Power over Ethernet Controller with AC Disconnect
中文描述： 四IEEE 802.3af標準與AC電源斷開以太網(wǎng)控制器
文件頁數(shù)： 2/32頁
文件大小： 326K
代理商： LTC4259A
LTC4259A
2
4259Af
Supply Voltages
V
DD
to DGND.......................................... –0.3V to 5V
V
EE
to AGND......................................... 0.3V to –70V
DGND to AGND (Note 2) ....................................
±
1V
Digital Pins
SCL, SDAIN, SDAOUT, INT, AUTO, RESET
SHDNn ADn................. DGND – 0.3V to DGND + 5V
Analog Pins
GATEn(Note 3) ................... V
EE
– 0.3V to V
EE
+ 12V
DETECTnPeak Currents (Note 4) ..................
±
80mA
SENSEn ................................. V
EE
– 0.3V to V
EE
+ 1V
OUTn .................................... V
EE
– 70V to V
EE
+ 70V
OSCIN .......................... DGND – 0.3V to DGND + 5V
BYP Current ....................................................
±
1mA
Operating Ambient Temperature Range...... 0
°
C to 70
°
C
Junction Temperature (Note 5)............................ 150
°
C
Storage Temperature Range................ –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)................. 300
°
C
ORDER PART
NUMBER
T
JMAX
= 150
°
C,
θ
JA
= 80
°
C/W
LTC4259ACGW
(Note 1)
ABSOLUTEW
W
W
U
PACKAGE/ORDER U
U
W
Consult LTC Marketing for parts specified with wider operating temperature ranges.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
TOP VIEW
GW PACKAGE
36-LEAD PLASTIC SSOP
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
RESET
BYP
INT
SCL
SDAOUT
SDAIN
AD3
AD2
AD1
AD0
DETECT1
DETECT2
DETECT3
DETECT4
DGND
V
DD
SHDN1
SHDN2
OSCIN
AUTO
OUT1
GATE1
SENSE1
OUT2
GATE2
SENSE2
V
EE
OUT3
GATE3
SENSE3
OUT4
GATE4
SENSE4
AGND
SHDN4
SHDN3
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
A
= 25
°
C. AGND = DGND = 0V, V
DD
= 3.3V, V
EE
= –48V unless otherwise noted
(Note 6).
SYMBOL
PARAMETER
CONDITIONS
Power Supplies
V
DD
V
DD
Supply Voltage
V
EE
V
EE
Supply Voltage
To Maintain IEEE Compliant Output (Note 7)
I
DD
V
DD
Supply Current
I
EE
V
EE
Supply Current
Normal Operation
Classification Into a Short (V
DETECTn
= 0V) (Note 8)
V
DDMIN
V
DD
UVLO Voltage
V
EEMINON
V
EE
UVLO Voltage (Turning On)
V
EE
– AGND
V
EEMINOFF
V
EE
UVLO Voltage (Turning Off)
V
EE
– AGND
Detection
I
DET
Detection Current
First Point, V
DETECTn
= –10V
Second Point, V
DETECTn
= –3.5V
V
DET
Detection Voltage Compliance
Open Circuit, Measured at DETECTnPin
R
DETMIN
Minimum Valid Signature Resistance
R
DETMAX
Maximum Valid Signature Resistance
Classification
V
CLASS
Classification Voltage
0mA < I
CLASS
< 31mA
I
CLASS
Classification Current Compliance
Into Short (V
DETECT
= 0V)
I
TCLASS
Classification Threshold Current
Class 0-1
Class 1-2
Class 2-3
Class 3-4
Class 4-Overcurrent
The
G
denotes the specifications which apply over the full operating
MIN
TYP
MAX
UNITS
G
3
3.3
4
V
V
G
–48
–57
5
–5
100
G
2.5
–2
mA
mA
mA
G
G
2.7
–31
–28
V
V
V
G
G
235
145
300
190
–23
19
33
μ
A
μ
A
V
k
k
G
–20
17
29
G
15.2
26.7
G
G
–16.4
55
5.5
13
21
31
45
–21
75
7.5
16
25
35
51
V
G
mA
mA
mA
mA
mA
mA
G
G
G
G
G
6.5
14.5
23
33
48
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相關代理商/技術參數(shù)
參數(shù)描述
LTC4259A-1 制造商:LINER 制造商全稱:Linear Technology 功能描述:Synchronous No-Opto Flyback Controller
LTC4259ACGW 功能描述:IC CTRLR POE QUAD AC DISC 36SSOP RoHS:否 類別:集成電路 (IC) >> 接口 - 控制器 系列:- 標準包裝: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 供應商設備封裝:24-HVQFN（4x4） 包裝:托盤 配用:568-3511-ND - DEMO BOARD SPI TO I2C 其它名稱:935286452157SC18IS600IBSSC18IS600IBS-ND
LTC4259ACGW#PBF 功能描述:IC CTRLR POE QUAD AC DISC 36SSOP RoHS:是 類別:集成電路 (IC) >> 接口 - 控制器 系列:- 標準包裝: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 供應商設備封裝:24-HVQFN（4x4） 包裝:托盤 配用:568-3511-ND - DEMO BOARD SPI TO I2C 其它名稱:935286452157SC18IS600IBSSC18IS600IBS-ND
LTC4259ACGW#TR 功能描述:IC CTRLR POE QUAD AC DISC 36SSOP RoHS:否 類別:集成電路 (IC) >> 接口 - 控制器 系列:- 標準包裝: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 供應商設備封裝:24-HVQFN（4x4） 包裝:托盤 配用:568-3511-ND - DEMO BOARD SPI TO I2C 其它名稱:935286452157SC18IS600IBSSC18IS600IBS-ND
LTC4259ACGW#TRPBF 功能描述:IC CTRLR POE QUAD AC DISC 36SSOP RoHS:是 類別:集成電路 (IC) >> 接口 - 控制器 系列:- 標準包裝: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 供應商設備封裝: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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