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参数资料
| 型号： | MAX5913AEMH+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 3/20页 |
| 文件大小： | 614K |
| 描述： | IC HOT SWAP CTLR QUAD 48V 44MQFP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 500 |
| 类型： | 热交换控制器 |
| 应用： | IP 电话，LAN 网络供电，网络路由器和交换机 |
| 内部开关： | 无 |
| 电源电压： | 35 V ~ 72 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 44-QFP |
| 供应商设备封装： | 44-MQFP（10x10） |
| 包装： | 带卷 (TR) |
+48V Quad Hot-Swap Controllers For
Power-Over-LAN
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= V
CSP
_ = +48V, V
AGND
= V
DGND
= 0V, V
DD
= +3.3V, V
RLY
= +12V, T
A
= -40癈 to +85癈, unless otherwise noted. Typical val-
ues are at V
CC
= V
CSP
_ = +48V and T
A
= +25癈.)
Note 1: See Typical Operating Characteristics for Current-Limit Foldback, and refer to Current Sensing and Regulation section.
Note 2: The resistor at RTIM can range from 2k& to 40k&.
Note 3: Limits are 100% tested at T
A
= +25癈 and T
A
= +85癈. Limits at -40癈 are guaranteed by design and characterization, but
are not production tested.
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX UNITS
During current regulation
8
礎
V
ON
= 0V
1
mA
Gate Discharge Current
I
GATE
,
DIS
(V
CSP
_ - V
DRAIN
_) > V
FC
15
mA
Source-Gate Clamp Voltage
V
SGZ
V
OUT
_ = 0V, force 30mA into GATE_,
measure V
GATE
- V
OUT
14
16.5
18
V
OPEN-CIRCUIT DETECTOR
Open-Circuit Current-Threshold
Voltage
V
OC
Minimum V across R
SENSE
to detect an
open circuit
1.5
3
4.5
mV
Delay to Open-Circuit Detect
t
OC
(Figure 2)
450
900
1350
ms
Deglitch Delay
t
LPFD
(V
CSP
_ - V
DRAIN__
) < V
OC
(Figure 2)
106
204
302
ms
RELAY DRIVERS
Maximum Low Voltage (MAX5913A) V
RLOW
RLYON = high, I
RLYD
_ = 100mA
0.5
V
Relay Pullup Current (MAX5914A)
I
RPLUP
RLYON = high, V
RLYD
_ = 0V
0.3
0.8
1.3
mA
Clamp Diode Voltage
V
RCLAMP
Force 100mA into RLYD, measure V
RLYD
-
V
RLY
2
V
Relay Output Leakage
RLYON_ = low, V
RLYD
_ = V
RLY
1
礎
TIMING
R
RTIM
= 2k&
4.8
6.4
8.0
R
RTIM
= 40k&
76
128
180
Short-Circuit and Startup Timer
(Note 2)
t
O
On time for continuous
overcurrent conditions
R
RTIM
=
3.2
6.4
9.6
ms
DC = logic low
1
DC = logic high
2
Auto-Retry Duty Cycle
DC = unconnected
4
%
Port Turn-On Delay
t
ON
_
DEL
V
ON
= 3.3V (Figure 3)
12.8
25.6
38.4
ms
Relay Turn-Off Delay
t
OFF
_
DEL
After RLYON_ goes low (Figure 3)
1.6
3.2
4.8
ms
DIGITAL INTERFACE
DC Pin Input-Voltage High
V
IH
_
DC
2.5V d V
DD
d 3.7V
0.7 x V
DD
V
DC Pin Input-Voltage Low
V
IL
_
DC
2.5V d V
DD
d 3.7V
0.3 x V
DD
V
DC Pin Input Impedance
R
IN
_
DC
1
k&
Logic Input High
V
IH
2.5V d V
DD
d 3.7V
0.8 x V
DD
V
Logic Input Low
V
IL
2.5V d V
DD
d 3.7V
0.3 x V
DD
V
Logic Input Leakage
1
礎
FAULT Output-Voltage Low
V
FL
I
SINK
= 4mA
0.4
V
FAULT High Input Leakage
1
礎
Logic Output-Voltage High
V
OH
STAT_ outputs sourcing 0.5mA
V
DD
- 0.4
mV
Logic Output-Voltage Low
V
OL
STAT_ outputs sinking 0.5mA
0.4
V
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5913EMH | 制造商:Maxim Integrated Products 功能描述:+48V QUAD HOT-SWAP CONTROLLERS FOR POWER-OVER - Rail/Tube |
| MAX5913EMH+ | 制造商:Maxim Integrated Products 功能描述:HOT SWAP CNTRLR 44MQFP - Rail/Tube |
| MAX5913EMH+T | 制造商:Maxim Integrated Products 功能描述:HOT SWAP CNTRLR 44MQFP - Tape and Reel |
| MAX5913EMH-T | 制造商:Maxim Integrated Products 功能描述:+48V QUAD HOT-SWAP CONTROLLERS FOR POWER-OVER - Tape and Reel |
| MAX5914AEMH | 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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