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参数资料
| 型号： | LTC4266AIUHF-3#TRPBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 电源管理 |
| 英文描述： | POWER SUPPLY MANAGEMENT CKT, PQCC38 |
| 封装： | 7 X 5 MM, LEAD FREE, PLASTIC, MO-220WHKD, QFN-38 |
| 文件页数： | 22/28页 |
| 文件大小： | 325K |
| 代理商： | LTC4266AIUHF-3#TRPBF |
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LTC4266A/LTC4266C
3
4266acf
electricAl chArActeristics
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VEE
Main PoE Supply Voltage
AGND – VEE
For IEEE Type 1 Compliant Output
For IEEE Type 2 Compliant Output
For LTPoE++ Compliant Output
l
45
51
54.75
57
V
Undervoltage Lockout
AGND – VEE
l
20
25
30
V
VDD
VDD Supply Voltage
VDD – DGND
l
3.0
3.3
4.3
V
Undervoltage Lockout
l
2.2
V
Allowable Digital Ground Offset
DGND – VEE
l
25
57
V
IEE
VEE Supply Current
(AGND – VEE) = 55V
l
–2.4
–5
mA
IDD
VDD Supply Current
(VDD – DGND) = 3.3V
l
1.1
3
mA
Detection
Detection Current – Force Current
First Point, AGND – VOUTn = 9V
Second Point, AGND – VOUTn = 3.5V
l
220
140
240
160
260
180
A
Detection Voltage – Force Voltage
AGND – VOUTn, 5A ≤ IOUTn ≤ 500A
First Point
Second Point
l
7
3
8
4
9
5
V
Detection Current Compliance
AGND – VOUTn = 0V
l
0.8
0.9
mA
VOC
Detection Voltage Compliance
AGND – VOUTn, Open Port
l
10.4
12
V
Detection Voltage Slew Rate
AGND – VOUTn, CPORT = 0.15F
l
0.01
V/s
Minimum Valid Signature Resistance
l
15.5
17
18.5
kΩ
Maximum Valid Signature Resistance
l
27.5
29.7
32
kΩ
Classification
VCLASS
Classification Voltage
AGND – VOUTn, 0mA ≤ ICLASS ≤ 50mA
l
16.0
20.5
V
Classification Current Compliance
VOUTn = AGND
l
53
61
67
mA
Classification Threshold Current
Class 0 – 1
Class 1 – 2
Class 2 – 3
Class 3 – 4
Class 4 – Overcurrent
l
5.5
13.5
21.5
31.5
45.2
6.5
14.5
23
33
48
7.5
15.5
24.5
34.9
50.8
mA
VMARK
Classification Mark State Voltage
AGND – VOUTn, 0.1mA ≤ ICLASS ≤ 10mA
l
7.5
9
10
V
Mark State Current Compliance
VOUTn = AGND
l
53
61
67
mA
Gate Driver
GATE Pin Pull-Down Current
Port Off, VGATEn = VEE + 5V
Port Off, VGATEn = VEE + 1V
l
0.4
0.08
0.12
mA
GATE Pin Fast Pull-Down Current
VGATEn = VEE + 5V
30
mA
GATE Pin On Voltage
VGATEn – VEE, IGATEn = 1A
l
8
14
V
Output Voltage Sense
VPG
Power Good Threshold Voltage
VOUTn – VEE
l
2
2.4
2.8
V
OUT Pin Pull-Up Resistance to AGND
0V ≤ (AGND – VOUTn) ≤ 5V
l
300
500
700
kΩ
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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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC4266AIUHF-4#PBF | 功能描述:IC CONTROLLER PSE QUAD 38-QFN RoHS:是 类别:集成电路 (IC) >> 接口 - 控制器 系列:- 标准包装:2,450 系列:- 控制器类型:SPI 总线至 I²C 总线桥接 接口:I²C，串行，SPI 电源电压:2.4 V ~ 3.6 V 电流 - 电源:11mA 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:24-VFQFN 裸露焊盘 供应商设备封装:24-HVQFN（4x4） 包装:托盘 配用:568-3511-ND - DEMO BOARD SPI TO I2C 其它名称:935286452157SC18IS600IBSSC18IS600IBS-ND |
| LTC4266AIUHF-4#TRPBF | 功能描述:IC CONTROLLER PSE QUAD 38-QFN RoHS:是 类别:集成电路 (IC) >> 接口 - 控制器 系列:- 标准包装:2,450 系列:- 控制器类型:SPI 总线至 I²C 总线桥接 接口:I²C，串行，SPI 电源电压:2.4 V ~ 3.6 V 电流 - 电源:11mA 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:24-VFQFN 裸露焊盘 供应商设备封装:24-HVQFN（4x4） 包装:托盘 配用:568-3511-ND - DEMO BOARD SPI TO I2C 其它名称:935286452157SC18IS600IBSSC18IS600IBS-ND |
| LTC4266C | 制造商:LINER 制造商全称: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 |
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