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參數(shù)資料
型號(hào): MAX5969DETE+T
廠商: Maxim Integrated
文件頁(yè)數(shù): 3/16頁(yè)
文件大小: 1236K
描述: IC CTRLR INTERFCE W/MOSFT 16TQFN
標(biāo)準(zhǔn)包裝: 2,500
類(lèi)型: 以太網(wǎng)供電控制器 PD 開(kāi)關(guān)(PoE)
應(yīng)用: 遠(yuǎn)程外設(shè)(工業(yè)控制,相機(jī),數(shù)據(jù)訪問(wèn))
內(nèi)部開(kāi)關(guān):
電流限制: 720mA 至 880mA
電源電壓: 60V
工作溫度: -40°C ~ 85°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 16-WQFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝: 16-TQFN-EP(5x5)
包裝: 帶卷 (TR)
IEEE 802.3af/at-Compliant, Powered Device Interface
Controller with Integrated Power MOSFET
_______________________________________________________________________________________ 3
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
 = (V
DD
 - V
SS
) = 48V, R
DET
 = 24.9k? R
CLS
 = 615? and R
SL
 = 60.4k? RTN, WAD, PG, and 2EC unconnected, all voltages are
referenced to V
SS,
 unless otherwise noted. T
A
 = T
J
 = -40NC to +85NC, unless otherwise noted. Typical values are at T
A
 = +25NC.)
(Note 3)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Mark Event Current
I
MARK
V
IN
 falling to enter mark event, 5.2V P V
IN
P 10.1V
0.25
0.85
mA
Reset Event Threshold
V
THR
V
IN
 falling
2.8
4
5.2
V
POWER MODE
V
IN
 Supply Voltage Range
60
V
V
IN
 Supply Current
I
Q
0.27
0.55
mA
V
IN
 Turn-On Voltage
V
ON
V
IN
 rising
34.3
35.4
36.6
V
V
IN
 Turn-Off Voltage
V
OFF
V
IN
 falling
30
V
V
IN
 Turn-On/-Off Hysteresis
V
HYST_
UVLO
(Note 7)
4.2
V
V
IN
 Deglitch Time
t
OFF_DLY
V
IN
 falling from 40V to 20V (Note 8)
30
120
Fs
Inrush to Operating Mode
Delay
t
DELAY
t
DELAY
 = minimum PG current pulse width
after entering into power mode
87
96
105
ms
Isolation Power MOSFET
On-Resistance
R
ON_ISO
I
RTN
 = 600mA
T
J
 = +25NC
0.5
0.7
I
T
J
 = +85NC
0.65
1
T
J
 = +125NC
0.8
RTN Leakage Current
I
RTN_LKG
V
RTN
 = 12.5V to 30V
10
FA
CURRENT LIMIT
Inrush Current Limit
I
INRUSH
During initial turn-on period,
V
RTN
 = 1.5V
90
135
180
mA
Current Limit During Normal
Operation
I
LIM
After inrush completed,
V
RTN
 = 1V
720
800
880
mA
Foldback Threshold
V
RTN
(Note 9)
13
16.5
V
LOGIC
WAD Detection Threshold
V
WAD-REF
V
WAD
 rising, V
IN
 = 14V to 48V (referenced
to RTN)
8
9
10
V
WAD Detection Threshold
Hysteresis
V
WAD
 falling, V
RTN
 = 0V, V
SS
 
unconnected
0.725
V
WAD Input Current
I
WAD-LKG
V
WAD
 = 10V (referenced to RTN)
3.5
FA
2EC Sink Current
V
2EC
 = 3.5V (referenced to RTN), V
SS
 
unconnected
1
1.5
2.25
mA
2EC Off-Leakage Current
V
2EC
= 48V
1
FA
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