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參數(shù)資料
| 型號(hào)： | LTC4266AIUHF-4#TRPBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 電源管理 |
| 英文描述： | POWER SUPPLY MANAGEMENT CKT, PQCC38 |
| 封裝： | 7 X 5 MM, LEAD FREE, PLASTIC, MO-220WHKD, QFN-38 |
| 文件頁(yè)數(shù)： | 24/28頁(yè) |
| 文件大?。?/td> | 325K |
| 代理商： | LTC4266AIUHF-4#TRPBF |
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LTC4266A/LTC4266C
5
4266acf
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Timing Characteristics
tDET
Detection Time
Beginning to End of Detection (Note 7)
l
270
290
310
ms
tDETDLY
Detection Delay
From PD Connected to Port to Detection
Complete (Note 7)
l
300
470
ms
tCLE
Class Event Duration
(Note 7)
l
12
ms
tCLEON
Class Event Turn-On Duration
CPORT = 0.6F (Note 7)
l
0.1
ms
tME
Mark Event Duration
(Notes 7, 11)
l
8.6
ms
tMEL
Last Mark Event Duration
(Notes 7, 11)
l
16
22
ms
tPON
Power On Delay in AUTO Pin Mode
From End of Valid Detect to Application of
Power to Port (Note 7)
l
60
ms
Turn On Rise Time
(AGND – VOUT): 10% to 90% of (AGND – VEE),
CPORT = 0.15F (Note 7)
l
15
24
s
Turn On Ramp Rate
CPORT = 0.15F (Note 7)
l
10
V/s
Fault Delay
From ICUT Fault to Next Detect
l
1.0
1.1
s
Midspan Mode Detection Backoff
Rport = 15.5k (Note 7)
l
2.3
2.5
2.7
s
Power Removal Detection Delay
From Power Removal After tDIS to Next
Detect (Note 7)
l
1.0
1.3
2.5
s
tSTART
Maximum Current Limit Duration During Port
Start-Up
(Note 7)
l
52
62.5
66
ms
tLIM
Maximum Current Limit Duration After Port
Start-Up
tLIM Enable = 1 (Notes 7, 12)
l
11.9
ms
tCUT
Maximum Overcurrent Duration After Port
Start-Up
(Note 7)
l
52
62.5
66
ms
Maximum Overcurrent Duty Cycle
(Note 7)
l
5.8
6.3
6.7
%
tMPS
Maintain Power Signature (MPS) Pulse Width
Sensitivity
Current Pulse Width to Reset Disconnect
Timer (Notes 7, 8)
l
1.6
3.6
ms
tDIS
Maintain Power Signature (MPS) Dropout Time (Note 7)
l
320
350
380
ms
tMSD
Masked Shut Down Delay
(Note 7)
l
6.5
s
tSHDN
Port Shut Down Delay
(Note 7)
l
6.5
s
I2C Watchdog Timer Duration
l
1.5
2
3
s
Minimum Pulse Width for Masked Shut Down (Note 7)
l
3
s
Minimum Pulse Width for SHDN
(Note 7)
l
3
s
Minimum Pulse Width for RESET
(Note 7)
l
4.5
s
electricAl chArActeristics The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. AGND – VEE = 54V, AGND = DGND, and VDD – DGND = 3.3V
unless otherwise noted. (Notes 3, 4)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC4266C | 制造商:LINER 制造商全稱:Linear Technology 功能描述:12-Port PoE/PoE+/LTPoE++ PSE Controller |
| LTC4266CGW#PBF | 制造商:Linear Technology 功能描述:POE Controller 25.5W 36-Pin SSOP 制造商:Linear Technology 功能描述:IC POE CONTROLLER 3.3V SSOP-36 制造商:Linear Technology 功能描述:IC QUAD POE CONTROLLER 3.3V 制造商:Linear Technology 功能描述:IC, POE CONTROLLER, 3.3V, SSOP-36; Input Voltage:3.3V; Supply Current:-2.4mA; UVLO:25V; Digital IC Case Style:SSOP; No. of Pins:36; Duty Cycle (%):60%; Frequency:1MHz; Operating Temperature Min:0C; Operating Temperature Max:70C ;RoHS Compliant: Yes |
| LTC4266CGW#TRPBF | 制造商:Linear Technology 功能描述:POE Controller 25.5W 36-Pin SSOP W |
| LTC4266CIUHF#PBF | 功能描述:IC CONTROLLER PSE QUAD 38-QFN 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 |
| LTC4266CIUHF#TRPBF | 功能描述:IC CONTROLLER PSE QUAD 38-QFN 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 |
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