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MAX4838EXT+TG104 PDF预览

MAX4838EXT+TG104

更新时间: 2024-09-25 20:41:23
品牌 Logo 应用领域
美信 - MAXIM 信息通信管理光电二极管
页数 文件大小 规格书
11页 503K
描述
Power Supply Support Circuit, Fixed, 1 Channel, BICMOS, PDSO6, SC-70, ROHS COMPLIANT, 6 PIN

MAX4838EXT+TG104 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:SOIC
包装说明:TSSOP,针数:6
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.31.00.01风险等级:5.12
可调阈值:NO模拟集成电路 - 其他类型:POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码:R-PDSO-G6JESD-609代码:e4
长度:2 mm湿度敏感等级:1
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:PLASTIC/EPOXY
封装代码:TSSOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度(摄氏度):260
认证状态:Not Qualified座面最大高度:1.1 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):5 V表面贴装:YES
技术:BICMOS温度等级:INDUSTRIAL
端子面层:Nickel/Palladium/Gold (Ni/Pd/Au)端子形式:GULL WING
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:1.25 mm
Base Number Matches:1

MAX4838EXT+TG104 数据手册

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19-3979; Rev 0; 2/06  
Overvoltage-Protection Controllers with  
Status FLAG  
General Description  
Features  
The MAX4838A/MAX4840A/MAX4842A are overvoltage-  
protection ICs that protect low-voltage systems against  
voltages of up to +28V. If the input voltage exceeds the  
overvoltage trip level, the MAX4838A/MAX4840A/  
MAX4842A turn off the low-cost external n-channel  
FET(s) to prevent damage to the protected components.  
An internal charge pump eliminates the need for external  
capacitors and drives the FET gate for a simple,  
robust solution.  
Overvoltage Protection Up to +28V  
Preset 7.4V, 5.8V, or 4.7V Overvoltage Trip Level  
Drives Low-Cost nMOS FET  
Internal 50ms Startup Delay  
Internal Charge Pump  
Undervoltage Lockout  
±±5kV ESD-Protected Input  
Voltage Fault FLAG Indicator  
6-Pin SC70 and µDFN Packages  
Lead Free  
The MAX4838A has a 7.4V overvoltage threshold, and  
the MAX4840A has a 5.8V overvoltage threshold. The  
MAX4842A has a 4.7V overvoltage threshold. The  
MAX4838A/MAX4840A have an undervoltage-lockout  
(UVLO) threshold of 3.25V, while the MAX4842A has a  
UVLO of 2.5V. In addition to the single FET configura-  
tion, the devices can be configured with back-to-back  
external FETs to prevent currents from being back-dri-  
ven into the adapter.  
Ordering Information  
PIN-  
TOP  
PKG  
PART  
PACKAGE  
MARK  
CODE  
On power-up, the device waits for 50ms before driving  
GATE high. FLAG is held low for an additional 50ms  
after GATE goes high before deasserting. The  
MAX4838A/MAX4840A/MAX4842A have an open-drain  
FLAG output. The FLAG output asserts immediately to  
an overvoltage fault.  
MAX4838AEXT+T  
MAX4838AELT+  
MAX4840AEXT+T  
MAX4840AELT+  
MAX4842AEXT+T  
MAX4842AELT+*  
6 ꢁC70  
6 µSFN  
6 ꢁC70  
6 µSFN  
6 ꢁC70  
6 µSFN  
ACY  
KU  
X6ꢁ-±  
L6±±-±  
X6ꢁ-±  
L6±±-±  
X6ꢁ-±  
L6±±-±  
ACZ  
KV  
ASA  
KW  
Additional features include a ±±5kV (ꢀHM) EꢁS-pro-  
tected input (when bypassed with a ±µF capacitor) and  
a shutdown pin (EN) to turn off the device.  
Note: All devices specified for the -40°C to +85°C extended  
All devices are offered in a small 6-pin ꢁC70 and 6-pin  
±.5mm x ±.0mm µSFN packages and are specified  
over the -40°C to +85°C extended temperature range.  
temperature range.  
*Future product—contact factory for availability.  
+Denotes lead-free package.  
Applications  
Cell Phones  
Typical Operating Circuit  
Sigital ꢁtill Cameras  
PSAs and Palmtop Sevices  
MP3 Players  
INPUT  
+1.2V TO +28V  
OUTPUT  
NMOS  
1
4
3
IN  
GATE  
1µF  
V
IO  
Selector Guide  
MAX4838A  
MAX4840A  
MAX4842A  
OV  
UVLO  
THRESHOLD  
(V)  
TRIP  
LEVEL  
(V)  
EN  
FLAG  
6
2
PART  
EN  
INPUT OUTPUT  
FLAG  
NOTE: EN AND PULLUP  
RESISTOR  
GND  
MAX4838A  
MAX4840A  
MAX4842A  
3.25  
3.25  
2.50  
7.4  
5.8  
4.7  
Yes Open-Srain  
Yes Open-Srain  
Yes Open-Srain  
Pin Configuration appears at end of data sheet.  
________________________________________________________________ Maxim Integrated Products  
±
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.  

MAX4838EXT+TG104 替代型号

型号 品牌 替代类型 描述 数据表
MAX4838EXT+T MAXIM

完全替代

Power Supply Support Circuit, Fixed, 1 Channel, BICMOS, PDSO6, SC-70, ROHS COMPLIANT, 6 PI

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