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参数资料
| 型号： | MAX5986AETE+ |
| 厂商： | Maxim Integrated |
| 文件页数： | 6/23页 |
| 文件大小： | 843K |
| 描述： | IC POE SWITCH PSE 16TQFN |
| 标准包装： | 60 |
| 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： | 是 |
| 电流限制： | 201mA |
| 电源电压： | 8.7 V ~ 60 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-WQFN 裸露焊盘 |
| 供应商设备封装： | 16-TQFN-EP（5x5） |
| 包装： | 管件 |
MAX5986AMAX5986C/MAX5987A
IEEE 802.3af-Compliant, High-Efficiency, Class 1/
Class 2, PDs with Integrated DC-DC Converter
6
Maxim Integrated
ELECTRICAL CHARACTERISTICS (continued)
(V
DD
= 48V, R
SIG
= 24.9k? LED, V
CC
, SL, ULP, WK, RESET, LDO_OUT unconnected, WAD = LDO_EN = LDO_IN = PGND = GND,
C1 = 68nF, C2 = 10礔, C3 = 1礔 (see Figure 3), V
FB
= V
AUX
= 0V, LX unconnected. All voltages are referenced to GND, unless
otherwise noted. T
A
= T
J
= -40癈 to +85癈, unless otherwise noted. Typical values are at T
A
= +25癈.) (Note 3)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Cycle by Cycle Overvoltage
Protection
V
OUT-OV
Rising (Note 7)
100.5
100.3
108
%
Falling (Note 7)
98.5
INTERNAL COMPENSATION NETWORK
Compensation Network Zero-
Resistance
R
ZERO
200
kI
Compensation Network Zero-
Capacitance
C
ZERO
150
pF
CURRENT LIMIT
Peak Current-Limit Threshold
I
PEAK-LIMIT
MAX5986A
1.45
1.64
A
MAX5986B/
MAX5986C
CLASS2 = GND
0.75
0.81
CLASS2 = VDRV
0.85
0.94
MAX5987A
CLASS2 = GND
1.45
1.64
CLASS2 = VDRV
1.66
1.79
Runaway Current-Limit Threshold
I
RUNAWAY-
LIMIT
MAX5986A
1.9
A
MAX5986B/
MAX5986C
CLASS2 = GND
0.93
CLASS2 = VDRV
1.07
MAX5987A
CLASS2 = GND
1.9
CLASS2 = VDRV
2.2
Valley Current-Limit Threshold
I
VALLEY-
LIMIT
MAX5986A/MAX5987A
1.5
A
MAX5986B
0.75
ZX Threshold
I
ZX
25
mA
TIMINGS
Switching Frequency
f
SW
MAX5986A
245
275
305
kHz
MAX5986B/MAX5987A
190
215
238
MAX5986C
380
430
475
Frequency Foldback
f
SW-FOLD
MAX5986A
122.5
137.5 152.5
kHz
MAX5986B/MAX5987A
95
107.5
119
MAX5986C
195
215
238
Consecutive ZX Events for
Entering Foldback
8
Events
Consecutive ZX Events for Exiting
Foldback
8
Events
V
OUT
Undervoltage Trip Level to
Cause HICCUP
V
OUT-HICF
After soft-start completed (Note 7)
55
60
65
%
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5986AETE+ | 功能描述:直流/直流开关转换器 IEEE802.3 af PD w/ DC/DC Conv RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX5986AETE+T | 功能描述:直流/直流开关转换器 IEEE802.3 af PD w/ DC/DC Conv RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX5986BETE+ | 功能描述:以太网 IC IEEE802.3 AF HI EFFICIENCY PD RoHS:否 制造商:Micrel 产品:Ethernet Switches 收发器数量:2 数据速率:10 Mb/s, 100 Mb/s 电源电压-最大:1.25 V, 3.45 V 电源电压-最小:1.15 V, 3.15 V 最大工作温度:+ 85 C 封装 / 箱体:QFN-64 封装:Tray |
| MAX5986BETE+T | 功能描述:PMIC 解决方案 IEEE802.3 AF HI EFFICIENCY PD RoHS:否 制造商:Texas Instruments 安装风格:SMD/SMT 封装 / 箱体:QFN-24 封装:Reel |
| MAX5986EVKIT# | 功能描述:电源管理IC开发工具 MAX5986 Eval Kit RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
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