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参数资料
| 型号： | SPX3819R2-L/TR |
| 厂商： | Exar Corporation |
| 文件页数： | 1/12页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO ADJ .5A 8DFN |
| 标准包装： | 1 |
| 稳压器拓扑结构： | 正，可调式 |
| 输出电压： | 可调 |
| 输入电压： | 2.5 V ~ 16 V |
| 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-VFDFN 裸露焊盘 |
| 供应商设备封装： | 8-DFN（3x2） |
| 包装： | 标准包装 |
| 其它名称： | 1016-1588-6 |
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
August 2012
GENERAL DESCRIPTION
The SPX3819 is a positive voltage regulator
with a low dropout voltage and low noise
output. In addition, this device offers a very
low ground current of 800μA at 100mA output.
The SPX3819 has an initial tolerance of less
than 1% max and a logic compatible ON/OFF
switched input. When disabled, power
consumption drops to nearly zero. Other key
features include reverse battery protection,
current limit, and thermal shutdown. The
SPX3819 includes a reference bypass pin for
optimal low noise output performance. With its
very low output temperature coefficient, this
device also makes a superior low power
voltage reference.
The SPX3819 is an excellent choice for use in
battery-powered applications such as cordless
telephones, radio control systems, and
portable computers. It is available in several
fixed output voltage options or with an
adjustable output voltage.
This device is offered in 8 pin NSOIC, 8 pin
DFN and 5-pin SOT-23 packages.
Rev. 2.0.0
APPLICATIONS
? Portable Consumer Equipment
? Portable Instrumentation
? Industrial Equipment
? SMPS Post Regulators
FEATURES
? L ow Noise: 40μV Possible
? High Accuracy: 1%
? Reverse Battery Protection
? Low Dropout: 340mV at Full Load
? Low Quiescent Current: 90μA
? Zero Off-Mode Current
? Fixed & Adjustable Output Voltages:
? 1.2V, 1.5V, 1.8V, 2.5V, 3.0V, 3.3V & 5.0V
Fixed Output Voltages
? ≥ 1.235V Adjustable Output Voltages
? Available in RoHS Compliant, Lead Free
Packages:
? 5-pin SOT-23, 8-pin SOIC and 8-pin DFN
TYPICAL APPLICATION DIAGRAM
Fig. 1: SPX3819 Application Circuit
Exar Corporation
48720 Kato Road, Fremont CA 94538, USA
www.exar.com
Tel. +1 510 668-7000 – Fax. +1 510 668-7001
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SPX3819S | 制造商:Exar Corporation 功能描述:Voltage Regulator |
| SPX3819S/TR | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:500mA, Low-Noise LDO Voltage Regulator |
| SPX3819S-1.8 | 制造商:Exar Corporation 功能描述:Voltage Regulator |
| SPX3819S-1.8/TR | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:500mA, Low-Noise LDO Voltage Regulator |
| SPX3819S-1-8 | 制造商:SIPEX 制造商全称:Sipex Corporation 功能描述:500mA, Low-Noise LDO Voltage Regulator |
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