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參數(shù)資料
型號(hào): MAX5953DUTM+
廠商: Maxim Integrated
文件頁數(shù): 4/27頁
文件大小: 371K
描述: IC INTERFACE 802.3AF 48TQFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 43
類型: 以太網(wǎng)供電開關(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)
內(nèi)部開關(guān):
電源電壓: 11 V ~ 76 V
工作溫度: 0°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 48-WFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 48-TQFN-EP(7x7)
包裝: 管件
IEEE 802.3af PD Interface and PWM Controllers
with Integrated Power MOSFETs
4  _______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (DC-DC Controller)
(All voltages referenced to GND, unless otherwise noted. V
HVIN
= +48V, C
INBIAS
= 1礔, C
REGOUT
= 2.2礔, R
RTCT
= 25k&, C
RTCT
=
100pF, C
BST
= 0.22礔, V
CSS
= V
CS
= 0V, V
RAMP
= V
DCUVLO
= 3V, T
J
= 0癈 to +125癈, unless otherwise noted. Typical values are at
T
J
= +25癈, unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
NIT
Input Supply Range
V
HVIN
11
76
V
OSCILLATOR (RTCT)
PWM Frequency
f
S
250
kHz
Maximum PWM Duty Cycle
D
MAX
47
%
Maximum RTCT Frequency
f
RTCTMAX
(Note 12)
1
MHz
RTCT Peak Trip Level
V
TH,RTCT
0.51 x V
REGOUT
V
RTCT Valley Trip Level
V
TL,RTCT
1
V
RTCT Input Bias Current
I
IN,RTCT
?
礎(chǔ)
RTCT Discharge MOSFET
R
DS(ON)
R
DIS,RTCT
Sinking 50mA
35
85
&
RTCT Discharge Pulse Width
50
ns
LOOK-AHEAD LOGIC (PPWM)
PPWM to Output Propagation
Delay
t
PPWM
V
PPWM
 rising to V
XFRMRL
 falling
110
ns
PPWM Output High
V
OH,PPWM
Sourcing 2mA
7.0
11.0
V
PPWM Output Low
V
OL,PPWM
Sinking 2mA
0.2
V
PWM COMPARATOR (OPTO, RAMP, RCFF)
Common-Mode Input Range
V
CM_PWM
0
5.5
V
Input Offset Voltage
10
mV
Input Bias Current
-2
+2
礎(chǔ)
RAMP to XFRMRL Propagation
Delay
t
COMPARATOR
From V
RAMP
 (50mV overdrive) rising to
V
XFRMRL
 rising
100
ns
Minimum OPTO Voltage
V
CSS
 = 0V, OPTO sinking 2mA
1.47
V
Minimum RCFF Voltage
RCFF sinking 2mA
2.18
V
REGOUT LDO (REGOUT)
INBIAS unconnected,
V
HVIN
 = 11V to 76V
8.3
8.75
9.2
REGOUT Voltage Set Point
V
REGOUT
V
INBIAS
 = V
HVIN
 = 11V to 76V
9.5
10.6
11.0
V
INBIAS unconnected, V
HVIN
 = 15V,
I
REGOUT
= 0 to 30mA
0.25
REGOUT Load Regulation
V
INBIAS
 = V
HVIN
 = 15V,
I
REGOUT
 = 0 to 30mA
0.25
V
INBIAS unconnected, I
REGOUT
 = 30mA
1.25
REGOUT Dropout Voltage
V
INBIAS
 = V
HVIN
, I
REGOUT
 = 30mA
1.25
V
REGOUT Undervoltage
Lockout Threshold
REGOUT rising
6.6
7.0
7.4
V
REGOUT Undervoltage
Lockout Threshold Hysteresis
REGOUT falling
0.7
V
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX5953DUTM+ 功能描述:電壓模式 PWM 控制器 IEEE 802.3af PD Int & PWM Controller RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
MAX5953DUTM+T 功能描述:電壓模式 PWM 控制器 IEEE 802.3af PD Int & PWM Controller RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel
MAX5954AETX+ 功能描述:熱插拔功率分布 Single PCIe Hot Plug Controller RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube
MAX5954AETX+T 功能描述:熱插拔功率分布 Single PCIe Hot Plug Controller RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube
MAX5954LETX+ 功能描述:熱插拔功率分布 Single PCIe Hot Plug Controller RoHS:否 制造商:Texas Instruments 產(chǎn)品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube
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