參數(shù)資料
型號: MAX5945CAX+
廠商: Maxim Integrated Products
文件頁數(shù): 42/44頁
文件大小: 0K
描述: IC NETWORK PWR CTRL 36-SSOP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 30
控制器類型: 網(wǎng)絡(luò)電源控制器
接口: I²C
電源電壓: 3.3V
電流 - 電源: 4.2mA
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: 管件
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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