参数资料
型号: MAX5980GTJ+T
厂商: Maxim Integrated
文件页数: 8/49页
文件大小: 0K
描述: IC CTRLR PD IEEE 802.3AF 32TQFN
标准包装: 2,500
类型: 以太网供电控制器 PD 开关(PoE)
应用: 供电设备(PSE)
内部开关: *
电流限制: *
电源电压: *
工作温度: -40°C ~ 105°C
安装类型: 表面贴装
封装/外壳: 32-WFQFN 裸露焊盘
供应商设备封装: 32-TQFN-EP(5x5)
包装: 带卷 (TR)
Quad, IEEE 802.3at/af PSE Controller
for Power-over-Ethernet
Typical Operating Characteristics (continued)
(V AGND = 32V to 60V, V EE = V DGND = 0V, T A = -40 N C to +105 N C. All voltages are referenced to V EE , unless otherwise noted. Typical
values are at V AGND = 54V, T A = +25 N C, ENDPOINT mode, and default register settings with a Class 0 PD, unless otherwise noted.)
2.4
2.2
2.0
1.8
1.6
1.4
DC LOAD DISCONNECT SENSE_
THRESHOLD vs. TEMPERATURE
0V
0mA
0V
OVERCURRENT TIMEOUT
(R LOAD = 240 I TO 140 I )
MAX5980 toc09
V AGND - V OUT_
50V/div
I OUT_
200mA /div
V GATE_
10V/div
-40
-15
10
35
60
85
110
20ms/div
TEMPERATURE (°C)
CURRENT-LIMIT TIMEOUT
(R LOAD = 240 I TO 75 I )
MAX5980 toc10
CURRENT-LIMIT TRANSIENT RESPONSE
(R LOAD = 240 I TO 75 I )
MAX5980 toc11
0V
0mA
0V
V AGND - V OUT_
50V/div
I OUT_
200mA /div
V GATE_
10V/div
0V
0mA
0V
V AGND - V OUT_
50V/div
I OUT_
200mA /div
V GATE_
10V/div
0V
20ms/div
OUTPUT SHORT-CIRCUIT TIMEOUT
MAX5980 toc12
V AGND - V OUT_
20V/div
0V
400μs/div
OUTPUT SHORT-CIRCUIT
RESPONSE TIME
MAX5980 toc13
V AGND - V OUT_
20V/div
0mA
0V
20ms/div
I OUT_
200mA /div
V GATE_
10V/div
0A
0V
10μs/div
I OUT_
10A /div
V GATE_
10V/div
8
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