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| 型号： | MAX4866LELT+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/11页 |
| 文件大小： | 0K |
| 描述： | IC CTLR OVP LV 5.8V 6-UDFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 过压保护控制器 |
| 应用： | 手机，数码相机，媒体播放器 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 6-WDFN |
| 供应商设备封装： | 6-uDFN（2x2） |
| 包装： | 带卷 (TR) |
MAX4864L/MAX4865L/MAX4866L/MAX4867
Overvoltage Protection Controllers
with Reverse Polarity Protection
________________________________________________________________
Maxim Integrated Products
1
Typical Operating Circuit
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
General Description
The MAX4864L/MAX4865L/MAX4866L/MAX4867 over-
voltage protection controllers protect low-voltage sys-
tems against high-voltage faults up to +28V, and
negative voltages down to -28V. These devices drive a
low-cost complementary MOSFET. If the input voltage
exceeds the overvoltage threshold, these devices turn
off the n-channel MOSFET to prevent damage to the
protected components. If the input voltage drops below
ground, the devices turn off the p-channel MOSFET to
prevent damage to the protected components. An inter-
nal charge pump eliminates the need for external
capacitors and drives the MOSFET GATEN for a simple,
robust solution.
The overvoltage thresholds are preset to +7.4V
(MAX4864L), +6.35V (MAX4865L), +5.8V (MAX4866L),
and +4.65V (MAX4867). When the input voltage drops
below the undervoltage lockout (UVLO) threshold, the
devices enter a low-current standby mode (8.5A). Also in
shutdown (EN set to logic-high), the current is reduced fur-
ther (0.4A). The MAX4864L/MAX4865L/MAX4866L have
a +2.85V UVLO threshold, and the MAX4867 has a +2.5V
UVLO threshold.
In addition, a ±15kV ESD protection is provided to the
input when bypassed with a 1F capacitor to ground. All
devices are offered in a small 6-pin SOT23 and a 6-pin,
2mm x 2mm DFN package, and are specified for
operation over the -40°C to +85°C temperature range.
Applications
Features
Overvoltage Protection Up to +28V
Reverse Polarity Protection Down to -28V
Preset Overvoltage (OV) Trip Level (7.4V, 6.35V,
5.8V, 4.65V)
Drive Low-Cost Complementary MOSFET
Internal 50ms Startup Delay
Internal Charge Pump
8.5A Standby Current (In UVLO Mode)
0.4A Shutdown Current
Overvoltage Fault FLAG Indicator
6-Pin (2mm x 2mm) DFN and 6-Pin SOT23
Packages
19-3582; Rev 2; 5/10
Ordering Information
PART
PIN-
PACKAGE
OV TRIP
LEVEL (V)
TOP
MARK
MAX4864LEUT-T
6 SOT23-6
7.40
ABVO
MAX4864LELT
6 μDFN
7.40
AAE
MAX4865LEUT-T
6 SOT23-6
6.35
ABVP
MAX4865LELT
6 μDFN
6.35
AAF
MAX4866LEUT-T
6 SOT23-6
5.80
ABVQ
MAX4866LELT
6 μDFN
5.80
AAG
MAX4867EUT-T
6 SOT23-6
4.65
ABVN
MAX4867ELT
6 μDFN
4.65
AAD
Functional Diagram appears at end of data sheet.
Note: All devices are specified over the -40°C to +85°C operating
temperature range.
T = Tape and reel.
ADAPTER
(-28V TO +28V)
OUTPUT
VIO
IN
FLAG
GATEN
1
μF
GND
EN
GATEP
MAX4864L
MAX4865L
MAX4866L
MAX4867
PN
Cell Phones
Digital Still Cameras
PDAs and Palmtop Devices
MP3 Players
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX4866LEUT | 制造商:Maxim Integrated Products 功能描述:OVERVOLTAGE PROTECTION CONTROLLERS - Rail/Tube |
| MAX4866LEUT+ | 制造商:Maxim Integrated Products 功能描述: 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
| MAX4866LEUT+T | 功能描述:电流和电力监控器、调节器 Overvoltage Protect Controller RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel |
| MAX4866LEUT-T | 功能描述:电流和电力监控器、调节器 RoHS:否 制造商:STMicroelectronics 产品:Current Regulators 电源电压-最大:48 V 电源电压-最小:5.5 V 工作温度范围:- 40 C to + 150 C 安装风格:SMD/SMT 封装 / 箱体:HPSO-8 封装:Reel |
| MAX4867ELT+ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
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