ELECTRICAL CHARACTERISTICS The denotes the sp" />
參數(shù)資料
型號: LTC4258CGW#TRPBF
廠商: Linear Technology
文件頁數(shù): 22/28頁
文件大?。?/td> 0K
描述: IC POE 802.3AF QUAD 36-SSOP
標(biāo)準(zhǔn)包裝: 1,000
控制器類型: 以太網(wǎng)供電控制器(POE)
接口: IEEE 802.3af
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: 帶卷 (TR)
LTC4258
3
4258fb
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 5).
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
ITCLASS
Classification Threshold Current
Class 0-1
5.5
6.5
7.5
mA
Class 1-2
13
14.5
16
mA
Class 2-3
21
23
25
mA
Class 3-4
31
33
35
mA
Class 4-Overcurrent
45
48
51
mA
Gate Driver
IGON
GATE Pin Current
Gate On, VGATEn = VEE
–20
–50
–70
A
IGOFF
GATE Pin Current
Gate Off, VGATEn = VEE + 5V
30
300
A
IGPD
GATE Pin Short-Circuit Pull-Down
VGATEn = VEE + 2V
50
mA
VGATE
External Gate Voltage (VGATEn – VEE)IGATEn = – 1A (Note 3)
10
13
15
V
Output Voltage Sense
VPG
Power Good Threshold Voltage
VOUTn – VEE
123
V
IVOUT
Out Pin Bias Current
0V > VOUTn > –10V
–6
A
–10V > VOUTn > –30V
–18
A
VOUTn = –48V
–20
A
Current Sense
VCUT
Overcurrent Detection Sense Voltage
VSENSEn – VEE, VOUT = VEE (Note 7)
166
187.5
199
mV
VLIM
Current Limit Sense Voltage
VSENSEn – VEE, VOUTn = VEE
201
212.5
224
mV
VSENSEn – VEE, VOUTn = AGND – 30V
201
224
mV
VSENSEn – VEE, VOUTn = AGND – 10V
30.2
mV
VMIN
DC Disconnect Sense Voltage
VSENSEn – VEE
2.52
3.75
4.97
mV
VSC
Short-Circuit Sense Voltage
275
mV
ISENSE
SENSE Pin Bias Current
VSENSEn = VEE
–50
A
Digital Interface
VOLD
Digital Output Low Voltage
ISDAOUT = 3mA, IINT = 3mA
0.4
V
ISDAOUT = 5mA, IINT = 5mA
0.7
V
VILD
Digital Input Low Voltage
SCL, SDAIN, RESET, SHDN
n, AUTO, ADn
0.8
V
VIHD
Digital Input High Voltage
SCL, SDAIN, RESET, SHDN
n, AUTO, ADn
2.4
V
RPU
Pull-Up Resistor to VDD
AD
n, RESET, SHDNn
50
k
RPD
Pull-Down Resistor to DGND
AUTO
50
k
AC Characteristics
tDETDLY
Detection Delay
From Detect Command or Application of PD to Port
170
590
ms
to Detect Complete (Figure 2)
tDET
Detection Duration
Time to Measure PD Signature Resistance (Figure 2)
170
230
ms
tCLSDLY
Classification Delay
From Successful Detect in Auto or Semiauto Mode
10.1
52
ms
to Class Complete
From Classify Command in Manual Mode (Figure 2)
10.1
420
ms
tCLASS
Classification Duration
(Figure 2)
10.1
13
ms
tPON
Power On Delay, Auto Mode
From Valid Detect to Port On in Auto Mode (Figure 2)
130
ms
From Port On Command to GATE Pin Current = IGON
1ms
(Note 9)
相關(guān)PDF資料
PDF描述
LTC4259ACGW#TR IC CTRLR POE QUAD AC DISC 36SSOP
LTC4264IDE#TRPBF IC CNTRLR PD INTERFACE 12-DFN
LTC4266IGW#PBF IC CTRLR IEEE 802.3AT 36-SSOP
LTC4267IDHC#TRPBF IC POE 802.3AF INTERFACE 16-DFN
LTC4278IDKD#TRPBF IC PD IEEE 802.3AT 25.5W 32-DFN
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LTC4259A 制造商:LINER 制造商全稱:Linear Technology 功能描述:Power over Ethernet IEEE 802.3af PD Interface with Integrated Switching Regulator
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(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
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(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
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(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