參數(shù)資料
型號： MAX8533EUB+T
廠商： Maxim Integrated
文件頁數(shù)： 7/10頁
文件大?。?/td> 240K
描述： IC HOT-SWAP CNTRLR 12V 10-UMAX
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 2,500
類型： 熱交換控制器
應(yīng)用： 通用型 Infiniband?
內(nèi)部開關(guān)： 無
電源電壓： 10 V ~ 14 V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 10-TFSOP，10-MSOP（0.118"，3.00mm 寬）
供應(yīng)商設(shè)備封裝： 10-µMAX
包裝： 帶卷 (TR)
Startup Into Load
The MAX8533 is intended to be used in a circuit where
no load is applied until the POK signal is enabled. In an
application where the load is applied during the output-
voltage ramp up, the R
DS(ON)
of the MOSFET is higher
and the power dissipated by the MOSFET is larger.
Repeated, rapid hot-swaps into a load can create suffi-
cient heat to exceed the power-dissipation limits of the
package causing failure of the MOSFET.
Applications Information
Setting the Turn-On Ramp Rate
The MOSFET turn-on ramp rate is determined by the
capacitor (C2) at GATE (Figure 2). An internal 10礎(chǔ)
current source charges C2 to bring GATE high. The
soft-start rate is determined as follows:
t
SS
= C2 x (V
IN
+ 5)/(10 x 10
-6
)
t
SS
may be longer than expected in the application
depending on the gate capacitance of the external
MOSFET. The necessary gate voltage is provided by
an on-board charge pump that boosts the voltage at
GATE to (V
IN
+ 5V).
External Power MOSFET Selection
Select the N-channel MOSFET according to the appli-
cations current requirements. Table 2 lists some rec-
ommended components. The MOSFETs on-resistance
(R
DS(ON)
) should be chosen low enough to have a min-
imal voltage drop at full load to limit the MOSFET power
dissipation. High R
DS(ON)
can cause high output ripple
if the board has pulsing loads, or trigger an external
Smallest, Most Reliable, 12V, Infiniband-
Compliant Hot-Swap Controller
_______________________________________________________________________________________   7
MAX8533
IN
V
IN
BACKPLANE
10V TO 14V
R1
10m&
R3
3.09k&
R2
20&
R5
31.6k&
R4
4.99k&
R6
100k&
C1
470礔
C2
0.1礔
C3
0.01礔
100礔
10礔
N1
INFINIBAND
MODULE
ISET    GATE
OUT
V
VB_OUT
V
IN
OVP
POK
RET
VB_RET
CTIM
LPEN
LPEN
EN
VBxEN
POK
C4
0.22礔
Figure 2. Typical 50W Applications Circuit
N
MAX8533
I
REG
CURRENT-REGULATION
CONTROL LOGIC
CHARGE
PUMP
OVERCURRENT
COMPARATOR
OVP
COMPARATOR
POK
COMPARATOR
SEVERE
OVERCURRENT
COMPARATOR
UVLO
COMPARATOR
CURRENT-
REGULATION
TIMER
IN
IN
RET
EN
LPEN
POK
OUT
CTIM
IN
20礎(chǔ)
20礎(chǔ)
IN
7.5k&
I0礎(chǔ)
20礎(chǔ)
5V
CLAMP
5V
CLAMP
BIAS
2V
2V
2V
REFERENCE
(REF)
5V LINEAR
REGULATOR
IN
GATE
I
SET
OVP
Figure 1. MAX8533 Functional Diagram
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX8533EVKIT 制造商:Maxim Integrated Products 功能描述:SMALLEST 12V INFINIBAND-COMPLIANT - Rail/Tube
MAX8535AEUA 功能描述:功率驅(qū)動器IC RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
MAX8535AEUA+ 功能描述:功率驅(qū)動器IC ORing MOSFET Controller RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
MAX8535AEUA+T 功能描述:功率驅(qū)動器IC ORing MOSFET Controller RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
MAX8535AEUA-T 功能描述:功率驅(qū)動器IC RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube
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