参数资料
型号: SPX3940M3-L-5-0/TR
厂商: Exar Corporation
文件页数: 3/11页
文件大小: 0K
描述: IC REG LDO 5V 1A SOT223-3
标准包装: 2,500
稳压器拓扑结构: 正,固定式
输出电压: 5V
输入电压: 最高 16V
电压 - 压降(标准): 0.28V @ 1A
稳压器数量: 1
电流 - 输出: 1A
电流 - 限制(最小): 1.5A
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: TO-261-4,TO-261AA
供应商设备封装: SOT-223
包装: 带卷 (TR)
S P X 3 9 4 0
1 A L o w D r o p o u t V o l t a g e R e g u l a t o r
Note 2: Dropout voltage is defined as the input to output differential when the output voltage drops to 99% of its normal
value.
Note 3: Ground pin current is the regulator quiescent current. The total current drawn from the source is the sum of the
load current to the ground current.
Note 4: V IN =V OUT(NOMINAL) +1V. For example, use V IN =4.3V for a 3.3V regulator. Employ pulse-testing procedures to minimize
temperature rise.
BLOCK DIAGRAM
Fig. 2: SPX3940 Block Diagram
PIN ASSIGNMENT
Fig. 3: SPX3940 Pin Assignment
? 2012 Exar Corporation
3/11
Rev. 1.0.0
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