參數(shù)資料
型號： LTC4259ACGW-1#PBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： 電源管理
英文描述： Quad IEEE 802.3af Power over Ethernet Controller with AC Disconnect; Package: SSOP; No of Pins: 36; Temperature Range: 0°C to +70°C
中文描述： 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO36
封裝： 0.300 INCH, LEAD FREE, PLASTIC, SSOP-36
文件頁數(shù)： 28/32頁
文件大小： 416K
代理商： LTC4259ACGW-1#PBF
LTC4259A-1
5
4259a1fa
TYPICAL PERFOR A CE CHARACTERISTICS
UW
50ms/DIV
4259 G01
GND
PORT
VOLTAGE
10V/DIV
VEE
PORT 1
VDD = 3.3V
VEE = –48V
DETECTION
PHASE 1
CLASSIFICATION
POWER ON
DETECTION
PHASE 2
5ms/DIV
4259 G02
GND
PORT
VOLTAGE
20V/DIV
GATE
VOLTAGE
10V/DIV
PORT
CURRENT
500mA/DIV
VEE
+14V
VDD = 3.3V
VEE = –48V
0mA
FOLDBACK
425mA
CURRENT LIMIT
FET ON
LOAD
FULLY
CHARGED
V
SENSE
n(mV)
225
200
175
150
125
100
75
50
25
0
450
400
350
300
250
200
150
100
50
0
VOUTn-AGND (V)
–48
0
4259 G03
–40
–24
–32
–16
–8
ILIMIT
WITH
R
SENSE
=
0.5
(mA)
VDD = 3.3V
VEE = –48V
TA = 25°C
LOAD CURRENT (mA)
0
PULL-DOWN
VOLTAGE
(V)
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
20
4259 G04
5
10
15
25
VDD = 3.3V
TA = 25°C
50
s/DIV
4258 G05
PORT
VOLTAGE
1V/DIV
PORT
CURRENT
20mA/DIV
VDD = 3.3V
VEE = –48V
TA = 25°C
0mA
–18V
40mA
CLASSIFICATION CURRENT (mA)
0
–2
–4
–6
–8
–10
–12
–14
–16
–18
–20
CLASSIFICATION
VOLTAGE
(V)
4258 G06
0
102030
405060
70
DETECT
n
PIN VOLTAGE
PORT VOLTAGE WITH
TYPICAL CMPD3003
VDD = 3.3V
VEE = –48V
TA = 25°C
VEE SUPPLY VOLTAGE (V)
–70
SUPPLY
CURRENT
(mA)
3.0
2.5
2.0
1.5
1.0
0.5
0
–40
–20
4258 G07
–60
–50
–30
–10
0
VDD = 3.3V
REG 12h = 00h
Power On Sequence in Auto Mode
Current Limit Foldback
Powering On a 180
F Load
INT and SDAOUT Pull Down
Voltage vs Load Current
Classification Transient Response
to 40mA Load Step
Classification Current Compliance
VEE DC Supply Current vs
Supply Voltage
相關PDF資料
PDF描述
LTC4259ACGW-1#TRPBF Quad IEEE 802.3af Power over Ethernet Controller with AC Disconnect; Package: SSOP; No of Pins: 36; Temperature Range: 0°C to +70°C
LTC4259AIGW-1#PBF Quad IEEE 802.3af Power over Ethernet Controller with AC Disconnect; Package: SSOP; No of Pins: 36; Temperature Range: -40°C to +85°C
LTC4259AIGW-1#TRPBF Quad IEEE 802.3af Power over Ethernet Controller with AC Disconnect; Package: SSOP; No of Pins: 36; Temperature Range: -40°C to +85°C
LTC4259ACGW#PBF Quad IEEE 802.3af Power over Ethernet Controller with AC Disconnect; Package: SSOP; No of Pins: 36; Temperature Range: 0°C to +70°C
LTC4259ACGW#TRPBF Quad IEEE 802.3af Power over Ethernet Controller with AC Disconnect; Package: SSOP; No of Pins: 36; Temperature Range: 0°C to +70°C
相關代理商/技術參數(shù)
參數(shù)描述
LTC4259AIGW-1 制造商:LINER 制造商全稱:Linear Technology 功能描述:Quad IEEE 802.3af Power over Ethernet Controller with AC Disconnect
LTC4259AIGW-1#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
LTC4259AIGW-1#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
LTC4259CGW-ES 制造商:LINEAR_TECH 功能描述:
LTC4260 制造商:LINER 制造商全稱:Linear Technology 功能描述:UV, OV and Reverse Supply Protection Controller Low Operating Current: 125μA
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