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參數(shù)資料
| 型號： | MAX4925ELT+T |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 1/7頁 |
| 文件大小： | 0K |
| 描述： | IC CTLR OVP W/EXT PFET 6UDFN |
| 產(chǎn)品培訓(xùn)模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 1 |
| 類型： | 過壓保護控制器 |
| 應(yīng)用： | 手機，數(shù)碼相機，媒體播放器 |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 6-WFDFN |
| 供應(yīng)商設(shè)備封裝： | 6-uDFN（1.5x1.0） |
| 包裝： | 標準包裝 |
| 其它名稱： | MAX4925ELT+TDKR |
General Description
The MAX4923–MAX4926 overvoltage protection
(OVP) controllers protect low-voltage systems against
high-voltage faults of up to +28V with an appropriate
external pFET. When the input voltage exceeds the over-
voltage lockout (OVLO) threshold, or falls below the
undervoltage lockout (UVLO) threshold, these devices
turn off the pFET to prevent damage to protected compo-
nents and issue a flag to notify the processor of a fault
condition.
The typical overvoltage trip level is set to 7.18V
(MAX4923), 6.16V (MAX4924), 5.65V (MAX4925), and
4.46V (MAX4926). The undervoltage trip level is set to
2.44V (typ) for all devices.
The input (IN) is ESD protected to ±15kV HBM when
bypassed to ground with a 1F ceramic capacitor. All
devices are offered in a small, 6-pin (1.5mm x 1.0mm)
DFN package and are specified over the extended
-40°C to +85°C temperature range.
Applications
Cell Phones
Digital Still Cameras
PDAs and Palmtop Devices
MP3 Players
Features
o Overvoltage Protection Up to +28V
o Preset 7.18V, 6.16V, 5.65V, and 4.46V Typical
Overvoltage Trip Levels
o Preset 2.44V Typical Undervoltage Trip Level
o ±2.5% Accurate Overvoltage/Undervoltage
Trip Levels
o Low 13A (typ) Supply Current
o Drives External pFET
o 20ms Adapter Debounce Time
o Fault Flag Indicator
o 6-Pin (1.5mm x 1.0mm) DFN Package
MAX4923–MAX4926
Overvoltage Protectors with
External pFET
________________________________________________________________
Maxim Integrated Products
1
MAX4923–MAX4926
OUTPUT
VIO
GATE
FLAG
GND
IN
1
μF
4
3
1
2
INPUT
+1.8V TO 28V
P
Typical Operating Circuit
19-0810; Rev 0; 4/07
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
Ordering Information/Selector Guide
PART
PIN-PACKAGE
OVLO (V)
UVLO (V)
TOP MARK
PKG CODE
MAX4923ELT+*
6 μDFN
7.18
2.44
LB
L611-1
MAX4924ELT+
6 μDFN
6.16
2.44
LC
L611-1
MAX4925ELT+
6 μDFN
5.65
2.44
LD
L611-1
MAX4926ELT+
6 μDFN
4.46
2.44
LE
L611-1
Note: All devices are specified over the -40°C to +85°C operating temperature range.
+
Denotes lead-free package.
*
Future Product—contact factory for availability.
Pin Configuration
12
3
65
4
N.C
GATE
N.C
IN
FLAG
GND
MA4923–MAX4926
μDFN
TOP VIEW
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參數(shù)描述 |
|---|---|
| MAX4926ELT+ | 制造商:Maxim Integrated Products 功能描述:OVP PROTECTOR WITH EXTERNAL PFET - Rail/Tube 制造商:Rochester Electronics LLC 功能描述: |
| MAX4926ELT+T | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 Overvoltage Protector RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel |
| MAX4927ETN+ | 功能描述:多路器開關(guān) IC 1000 Base-T LAN Switch RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關(guān)數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時間（最大值）: 關(guān)閉時間（最大值）: 傳播延遲時間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16 |
| MAX4927ETN+T | 功能描述:多路器開關(guān) IC 1000 Base-T LAN Switch RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關(guān)數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時間（最大值）: 關(guān)閉時間（最大值）: 傳播延遲時間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16 |
| MAX4928AETN+ | 功能描述:多路器開關(guān) IC DisplayPort/PCIe Passive Switch RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 開關(guān)數(shù)量:4 開啟電阻（最大值）:7 Ohms 開啟時間（最大值）: 關(guān)閉時間（最大值）: 傳播延遲時間:0.25 ns 工作電源電壓:2.3 V to 3.6 V 工作電源電流: 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UQFN-16 |
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