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參數(shù)資料
| 型號： | MAX4840EXT-T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | Overvoltage Protection Controllers with Status FLAG |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO6 |
| 封裝： | SC-70, 6 PIN |
| 文件頁數(shù)： | 5/10頁 |
| 文件大?。?/td> | 227K |
| 代理商： | MAX4840EXT-T |
M
Overvoltage Protection Controllers with
Status FLAG
_______________________________________________________________________________________
5
PIN
MAX4838/
MAX4840
MAX4839/
MAX4841
NAME
FUNCTION
1
1
IN
Input. IN is both the power-supply input and the overvoltage sense input. Bypass IN to
GND with a 1μF capacitor or larger.
2
2
GND
Ground
3
3
FLAG
Fault Indication Output, Active Low.
FLAG
is asserted low during undervoltage lockout
and overvoltage lockout conditions.
FLAG
is deasserted during normal operation.
FLAG
is open-drain on the MAX4838/MAX4840, and push-pull on the MAX4839/MAX4841.
4
4
GATE
Gate-Drive Output. GATE is the output of an on-chip charge pump. When V
UVLO
< V
IN
<
V
OVLO
, GATE is driven high to turn on the external N-channel MOSFET(s).
No Connection. Can be connected to GND.
5
5, 6
N.C.
6
—
EN
Device Enable Input, Active Low. Drive
EN
low or connect to ground to allow normal
device operation. Drive
EN
high to turn off the external MOSFET.
Pin Description
V
IN
V
GATE
0V
V
UVLO
0.3V
t
START
2.4V
t
BLANK
8V
t
GON
V
FLAG
5V
Figure 1. Startup Timing Diagram
V
IN
V
GATE
V
OVLO
0.3V
t
GOFF
0.4V
t
FLAG
5V
8V
V
FLAG
Figure 2. Shutdown Timing Diagram
V
IN
I
GATE
V
OVLO
80%
t
OVP
0V
8V
Figure 3. Power-Up Overvoltage Timing Diagram
V
GATE
0.3V
t
DIS
1.47V
V
EN
Figure 4. Disable Timing Diagram
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4841EXT | 制造商:Maxim Integrated Products 功能描述:OVERVOLTAGE PROTECTION CONTROLLERS - Rail/Tube 制造商:Rochester Electronics LLC 功能描述: |
| MAX4841EXT+ | 制造商:Maxim Integrated Products 功能描述:OVERVOLT PROT CNTRLR 6PIN SC-70 - Cut Tape Product |
| MAX4841EXT+T | 功能描述:電流和電力監(jiān)控器、調(diào)節(jié)器 Over V Protection Cntlr w/Status FLAG RoHS:否 制造商:STMicroelectronics 產(chǎn)品:Current Regulators 電源電壓-最大:48 V 電源電壓-最小:5.5 V 工作溫度范圍:- 40 C to + 150 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:HPSO-8 封裝:Reel |
| MAX4841EXT-T | 功能描述:電源開關(guān) IC - 配電 RoHS:否 制造商:Exar 輸出端數(shù)量:1 開啟電阻（最大值）:85 mOhms 開啟時(shí)間（最大值）:400 us 關(guān)閉時(shí)間（最大值）:20 us 工作電源電壓:3.2 V to 6.5 V 電源電流（最大值）: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-5 |
| MAX4842AELT+ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
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