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MAX4867LELT

更新时间： 2024-02-09 05:56:42
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美信 - MAXIM 信息通信管理
页数 文件大小 规格书
12页 312K
描述
Power Supply Support Circuit, Fixed, 1 Channel, BICMOS, 2 X 2 MM, 0.80 MM HEIGHT, MICRO DFN-6

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MAX4867LELT 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Active零件包装代码：DFN
包装说明：VSON,针数：6
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.78
可调阈值：NO模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：S-XDSO-N6JESD-609代码：e0
长度：2 mm信道数量：1
功能数量：1端子数量：6
最高工作温度：85 °C最低工作温度：-40 °C
封装主体材料：UNSPECIFIED封装代码：VSON
封装形状：SQUARE封装形式：SMALL OUTLINE, VERY THIN PROFILE
峰值回流温度（摄氏度）：240认证状态：Not Qualified
座面最大高度：0.8 mm最大供电电压 (Vsup)：28 V
最小供电电压 (Vsup)：1.2 V标称供电电压 (Vsup)：4 V
表面贴装：YES技术：BICMOS
温度等级：INDUSTRIAL端子面层：TIN LEAD
端子形式：NO LEAD端子节距：0.65 mm
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：2 mmBase Number Matches：1

MAX4867LELT 数据手册

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19-3582; Rev 0; 2/05  
Overvoltage Protection Controllers  
with Reverse Polarity Protection  
General Description  
Features  
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.  
♦ 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  
♦ 8.5µA Standby Current (In UVLO Mode)  
♦ 0.4µA Shutdown Current  
♦ Overvoltage Fault FLAG Indicator  
♦ 6-Pin (2mm x 2mm) µDFN and 6-Pin SOT23  
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 (8.5µA). Also in  
shutdown (EN set to logic-high), the current is reduced fur-  
ther (0.4µA). The MAX4864L/MAX4865L/MAX4866L have  
a +2.85V UVLO threshold, and the MAX4867 has a +2.5V  
UVLO threshold.  
Packages  
Ordering Information  
PIN-  
PACKAGE  
OV TRIP  
TOP PKG  
LEVEL (V) MARK CODE  
PART  
MAX4864LEUT-T 6 SOT23-6  
MAX4864LELT 6 µꢀFN*  
MAX4865LEUT-T 6 SOT23-6  
MAX4865LELT 6 µꢀFN*  
MAX4866LEUT-T 6 SOT23-6  
7.40  
7.40  
6.35  
6.35  
5.80  
5.80  
4.65  
4.65  
ABVO  
AAE L622-±  
ABVP  
AAF L622-±  
ABVQ  
AAG L622-±  
ABVN  
AAꢀ L622-±  
—
In addition, a ±±5kV ESꢀ protection is provided to the  
input when bypassed with a ±µF capacitor to ground. All  
devices are offered in a small 6-pin SOT23 and a 6-pin,  
2mm x 2mm µꢀFN package, and are specified for  
operation over the -40°C to +85°C temperature range.  
—
—
MAX4866LELT  
MAX4867EUT-T  
MAX4867ELT  
6 µꢀFN*  
6 SOT23-6  
6 µꢀFN*  
—
Applications  
Cell Phones  
ꢀigital Still Cameras  
All devices are specified over the -40°C to +85°C operating range.  
*Future part—contact factory for availability.  
PꢀAs and Palmtop ꢀevices  
MP3 Players  
Typical Operating Circuit  
Pin Configurations  
TOP VIEW  
ADAPTER  
(-28V TO +28V)  
P
N
OUTPUT  
IN  
GND  
1
2
3
6
5
4
EN  
GND  
FLAG  
IN  
1
2
3
6
5
4
GATEN  
GATEP  
EN  
1µF  
GATEP  
IN  
GATEN  
MAX4864L  
MAX4865L  
MAX4866L  
MAX4867  
MAX4864L  
MAX4865L  
MAX4866L  
MAX4867  
GATEP  
GATEN  
MAX4864L  
MAX4865L  
MAX4866L  
MAX4867  
V
IO  
FLAG  
SOT23  
µDFN  
EN  
GND  
FLAG  
Functional Diagram appears at end of data sheet.  
________________________________________________________________ Maxim Integrated Products  
1
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.  
1234567...12

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