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Datasheet > LM2937-3.3V(T0-263)
LM2937-3.3V(T0-263) PDF预览

LM2937-3.3V(T0-263)

更新时间： 2024-11-23 19:19:03
品牌 Logo 应用领域
友顺 - UTC /
页数 文件大小 规格书
7页 193K
描述
Regulator, 1 Output, BIPolar,

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LM2937-3.3V(T0-263) 技术参数

生命周期：Active包装说明：, SMSIP3H,.55TB
Reach Compliance Code：compliant风险等级：5.59
可调性：FIXED标称回动电压 1：0.5 V
最大绝对输入电压：26 V最大电网调整率：0.03%
最大负载调整率：0.03%输出次数：1
端子数量：3工作温度TJ-Max：125 °C
工作温度TJ-Min：-40 °C最大输出电流 1：0.5 A
标称输出电压 1：3.3 V封装主体材料：PLASTIC/EPOXY
封装等效代码：SMSIP3H,.55TB认证状态：Not Qualified
子类别：Other Regulators表面贴装：YES
技术：BIPOLAR端子节距：2.54 mm
端子位置：SINGLE最大电压容差：2.7%
Base Number Matches：1

LM2937-3.3V(T0-263) 数据手册

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UTC LM2937-XX LINEAR INTEGRATED CIRCUIT  
500mA LOW DROPOUT VOLTAGE  
REGULATOR  
DESCRIPTION  
The UTC LM2937-XX is a positive voltage regulator  
1
capable of supplying up to 500mA of load current. The use of  
a PNP power transistor provides a low dropout voltage  
characteristic. With a load current of 500mA the minimum  
input to output voltage differential required for the output to  
remain in regulation is typically 0.5V(1V guaranteed maximum  
over the full operating temperature range). Special circuitry  
has been incorporated to minimize the quiescent current to  
typically only 10mA with a full 500mA load current when the  
input to output voltage differential is greater than 3V.  
T0-220  
1
The UTC LM2937-XX requires an output bypass  
capacitor for stability. As with most low dropout regulators, the  
ESR of this capacitor remains a critical design parameter, but  
the LM2937 includes special compensation circuitry that  
relaxes ESR requirements. The UTC LM2937-XX is stable for  
all ESR below 3Ω.This allows the use of low ESR chip  
T0-263  
1:Input 2:GND 3:Output  
capacitors.  
Ideally suited for automotive applications, the UTC  
LM2937-XX will protect itself and any load circuitry from  
reverse battery connections, two-battery jumps and up to  
+60V/-50V load dump transients. Familiar regulator features  
such as short circuit and thermal shutdown protection are also  
built in.  
FEATURES  
*Fully specified for operation over -40°C to +125°C  
*Output current in excess of 500mA  
*Output trimmed for 5% tolerance under all operating  
conditions  
*Typical dropout voltage of 0.5V at full rated load current  
*Wide output capacitor ESR range, up to 3Ω  
*Reverse battery protection  
*Internal short circuit and thermal overload protection  
*60V input transient protection  
*Mirror image insertion protection  
UTC UNISONIC TECHNOLOGIES CO., LTD.  
1
QW-R102-012,A  
1234567

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