参数资料
型号: SPX3819S-L-2-5/TR
厂商: Exar Corporation
文件页数: 3/12页
文件大小: 0K
描述: IC REG LDO 2.5V .5A 8SOIC
标准包装: 2,500
稳压器拓扑结构: 正,固定式
输出电压: 2.5V
输入电压: 最高 16V
电压 - 压降(标准): 0.34V @ 500mA
稳压器数量: 1
电流 - 输出: 500mA
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOICN
包装: 带卷 (TR)
S P X 3 8 1 9
5 0 0 m A L o w - N o i s e L D O V o l t a g e R e g u l a t o r
Parameter
Min.
Typ.
Max.
Units
Conditions
Current Limit (I LIMIT )
800
950
mA
?
V OUT =0V
Output Noise (e NO )
Input Voltage Level Logic Low
(V IL )
Input Voltage Level Logic High
(V IH )
2
300
40
0.4
μV RMS
μV RMS
V
V
I L = 10mA, C L = 1.0μF, C IN = 1μF,
(10Hz – 100kHz)
I L = 10mA, C L = 1.0μF, C BYP = 1μF,
C IN = 1μF, (10Hz – 100kHz)
OFF
ON
ENABLE Input Current
0.01
3
2
20
μA
VIL ≤ 0.4V
VIH ≥ 2.0V
Note 2: Not applicable to output voltage 2V or less.
PIN ASSIGNMENT
Fig. 2: SPX3819 Pin Assignment
PIN DESCRIPTION
Name
VIN
GND
VOUT
EN
ADJ/BYP
NC
Pin #
nSOIC
2
5, 6, 7, 8
3
1
4
-
Pin #
DFN
3
7
5
1
8
2, 4, 6
Pin #
SOT-23
1
2
5
3
4
-
Description
Supply Input
Ground
Regulator Output
Enable(input). CMOS compatible control input. Logic high – enable;
logic low or open = shutdown
Adjust(input). Feedback input. Connect to resistive voltage-divider
network
No Connect
? 2012 Exar Corporation
3/12
Rev. 2.0.0
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