VDD to DGND ........................................" />
參數(shù)資料
型號(hào)： LTC4259ACGW#PBF
廠商： Linear Technology
文件頁(yè)數(shù)： 12/32頁(yè)
文件大?。?/td> 0K
描述： IC CTRLR POE QUAD AC DISC 36SSOP
產(chǎn)品培訓(xùn)模塊： Power over Ethernet
標(biāo)準(zhǔn)包裝： 32
控制器類型： 以太網(wǎng)供電控制器（POE）
接口： I²C
電源電壓： 3 V ~ 4 V
電流 - 電源： 2.5mA
工作溫度： 0°C ~ 70°C
安裝類型： 表面貼裝
封裝/外殼： 36-BSOP（0.295"，7.50mm 寬）
供應(yīng)商設(shè)備封裝： 36-SSOP
包裝： 管件
產(chǎn)品目錄頁(yè)面： 1338 (CN2011-ZH PDF)
LTC4259A
2
4259afb
Supply Voltages
VDD to DGND .......................................... – 0.3V to 5V
VEE to AGND ......................................... 0.3V to – 70V
DGND to AGND (Note 2) ....................................
±1V
Digital Pins
SCL, SDAIN, SDAOUT, INT, AUTO, RESET
SHDN
n, ADn ................. DGND – 0.3V to DGND + 5V
Analog Pins
GATE
n (Note 3) ................... VEE – 0.3V to VEE + 12V
DETECT
n Peak Currents (Note 4) ..................
±80mA
SENSE
n ................................. VEE – 0.3V to VEE + 1V
OUT
n .................................... VEE – 70V to VEE + 70V
OSCIN .......................... DGND – 0.3V to DGND + 5V
BYP Current ....................................................
±1mA
Operating Ambient Temperature Range
LTC4259AC ............................................. 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
TJMAX = 150°C, θJA = 80°C/W
LTC4259ACGW
(Note 1)
ABSOLUTE
AXI U
RATI GS
W
WW
U
PACKAGE/ORDER I FOR ATIO
UU
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
VDD
SHDN1
SHDN2
OSCIN
AUTO
OUT1
GATE1
SENSE1
OUT2
GATE2
SENSE2
VEE
OUT3
GATE3
SENSE3
OUT4
GATE4
SENSE4
AGND
SHDN4
SHDN3
ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. AGND = DGND = 0V, VDD = 3.3V, VEE = –48V unless otherwise noted
(Note 6).
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Power Supplies
VDD
VDD Supply Voltage
●
3
3.3
4
V
VEE
VEE Supply Voltage
To Maintain IEEE Compliant Output (Note 7)
●
–48
–57
V
IDD
VDD Supply Current
●
2.5
5
mA
IEE
VEE Supply Current
Normal Operation
●
–2
–5
mA
Classification Into a Short (VDETECTn = 0V) (Note 8)
●
100
mA
VDDMIN
VDD UVLO Voltage
2.7
V
VEEMINON
VEE UVLO Voltage (Turning On)
VEE – AGND
–31
V
VEEMINOFF VEE UVLO Voltage (Turning Off)
VEE – AGND
–28
V
Detection
IDET
Detection Current
First Point, VDETECTn = –10V
●
235
300
A
Second Point, VDETECTn = –3.5V
●
145
190
A
VDET
Detection Voltage Compliance
Open Circuit, Measured at DETECT
n Pin
●
–20
–23
V
RDETMIN
Minimum Valid Signature Resistance
●
15.2
17
19
k
RDETMAX
Maximum Valid Signature Resistance
●
26.7
29
33
k
Classification
VCLASS
Classification Voltage
0mA < ICLASS < 31mA
●
–16.4
–21
V
ICLASS
Classification Current Compliance
Into Short (VDETECT = 0V)
●
55
75
mA
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF
Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
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