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參數(shù)資料
| 型號(hào)： | MAX4838EXT+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 7/11頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC CTLR OVP 7.4V SC70-6 |
| 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： | 過壓防護(hù) |
| 應(yīng)用： | 手機(jī)，數(shù)碼相機(jī)，媒體播放器 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 6-TSSOP，SC-88，SOT-363 |
| 供應(yīng)商設(shè)備封裝： | SC-70-6 |
| 包裝： | 帶卷 (TR) |
MAX4838A/MAX4840A/MAX4842A
Overvoltage-Protection Controllers with
Status
FLAG
_______________________________________________________________________________________
5
PIN
NAME
FUNCTION
1IN
Input. IN is both the power-supply input and the overvoltage sense input. Bypass IN to GND with
a 1F capacitor or larger.
2
GND
Ground
3
FLAG
Fault Indication Output, Open-Drain, Active Low. FLAG is asserted low during undervoltage-
lockout and overvoltage-lockout conditions. FLAG is deasserted during normal operation.
4
GATE
Gate-Drive Output. GATE is the output of an on-chip charge pump. When VUVLO < VIN < VOVLO,
GATE is driven high to turn on the external n-channel MOSFET(s).
5N.C.
No Connection. Not internally connected for DFN package. Connected to ground for SC70
6-pin package; connect to ground or leave unconnected.
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
VIN
VGATE
0V
VUVLO
0.3V
tSTART
2.4V
tBLANK
8V (6V)
tGON
VFLAG
5V (4V)
( ) MAX4842A
Figure 1. Startup Timing Diagram
VIN
VGATE
VOVLO
0.3V
tGOFF
0.4V
tFLAG
5V (4V)
8V (6V)
VFLAG
( ) MAX4842A
Figure 2. Shutdown Timing Diagram
VIN
IGATE
VOVLO
80%
tOVP
0V
8V (6V)
( ) MAX4842A
Figure 3. Power-Up Overvoltage Timing Diagram
VGATE
0.3V
tDIS
1.5V
VEN
Figure 4. Disable Timing Diagram
Timing Diagrams
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| MAX4839EXT | 制造商:Maxim Integrated Products 功能描述:OVERVOLTAGE PROTECTION CONTROLLERS - Rail/Tube |
| MAX4839EXT+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 |
| MAX4839EXT-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 |
| MAX483C/D | 功能描述:RS-422/RS-485 接口 IC RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube |
| MAX483CPA | 功能描述:RS-422/RS-485 接口 IC RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)速率:1136 Kbps 工作電源電壓:3 V to 5.5 V 電源電流:5.9 mA 工作溫度范圍:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-28 封裝:Tube |
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