参数资料
型号: MAX5945CAX+T
厂商: Maxim Integrated Products
文件页数: 42/44页
文件大小: 0K
描述: IC NETWORK PWR CTRL 36-SSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1,000
控制器类型: 网络电源控制器
接口: I²C
电源电压: 3.3V
电流 - 电源: 4.2mA
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 36-BSOP(0.295",7.50mm 宽)
供应商设备封装: 36-SSOP
包装: 带卷 (TR)
MAX5945
Quad Network Power Controller
for Power-Over-LAN
_______________________________________________________________________________________
7
DIGITAL SUPPLY CURRENT
vs. INPUT VOLTAGE
MAX5945
toc04
INPUT VOLTAGE (V)
SUPPLY
CURRENT
(mA)
4.6
4.2
3.8
3.4
3.0
2.6
2.2
1
2
3
4
5
6
0
1.8
5.0
MEASURED AT VDD
VEE UNDERVOLTAGE LOCKOUT
vs. TEMPERATURE
MAX5945
toc05
TEMPERATURE (°C)
UNDERVOLTAGE
LOCKOUT
(V)
60
35
10
-15
27.5
28.0
28.5
29.0
29.5
30.0
27.0
-40
85
GATE OVERDRIVE
vs. INPUT VOLTAGE
MAX5945
toc06
INPUT VOLTAGE (V)
GATE
OVERDRIVE
(V)
57
52
47
42
37
9.80
9.82
9.84
9.86
9.88
9.90
9.92
9.94
9.96
9.98
9.78
32
62
GATE OVERDRIVE
vs. TEMPERATURE
MAX5945
toc07
TEMPERATURE (°C)
GATE
OVERDRIVE
(V)
60
35
10
-15
9.6
9.7
9.8
9.9
10.0
10.1
10.2
10.3
10.4
10.5
9.5
-40
85
SENSE TRIP VOLTAGE
vs. TEMPERATURE
MAX5945
toc08
TEMPERATURE (°C)
SENSE
TRIP
VOLTAGE
(mV)
60
35
10
-15
175
180
185
190
195
200
170
-40
85
SENSE TRIP VOLTAGE
vs. INPUT VOLTAGE
MAX5945
toc09
INPUT VOLTAGE (V)
SENSE
TRIP
VOLTAGE
(mV)
57
52
47
42
37
182
184
186
188
190
180
32
62
FOLDBACK CURRENT-LIMIT
THRESHOLD vs. OUTPUT VOLTAGE
MAX5945
toc10
VOUT - VEE (V)
V
SENSE
-
V
EE
(mV)
40
30
20
10
50
100
150
200
250
300
0
050
ZERO-CURRENT DETECTION
THRESHOLD vs. TEMPERATURE
MAX5945
toc11
TEMPERATURE (°C)
DETECTION
THRESHOLD
(mV)
60
35
10
-15
1
2
3
4
5
0
-40
85
Typical Operating Characteristics (continued)
(VEE = -48V, VDD = +3.3V, AUTO = AGND = DGND = 0V, RESET = SHD_ = unconnected, RSENSE = 0.5, all registers = default setting,
TA = +25°C, unless otherwise noted.)
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MAX5945EAX+T 功能描述:热插拔功率分布 IEEE 802.3af Quad Net Pwr Controller RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube
MAX5945EAX-T 功能描述:热插拔功率分布 RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube
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