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參數(shù)資料
| 型號： | SPX3819S-L-1-2 |
| 英文描述： | 500mA, Low-Noise LDO Voltage Regulator |
| 中文描述： | 500mA的，低噪聲LDO穩(wěn)壓器 |
| 文件頁數(shù)： | 1/13頁 |
| 文件大小： | 380K |
| 代理商： | SPX3819S-L-1-2 |
1
Jun 5-07 Rev E
SPX3819 500mA, Low Noise LDO Voltage Regulator
2007 Sipex Corporation
DESCRIPTION
FEATURES
■
Low Noise: 40
μ
V Possible
■
High Accuracy: 1%
■
Reverse Battery Protection
■
Low Dropout: 340mV at Full Load
■
Low Quiescent Current: 90
μ
A
■
Zero Off-Mode Current
■
Fixed Output: 1.2V, 1.5V, 1.8V, 2.5V, 3.0V,
3.1V, 3.3V, 5.0V. Adj. Output also available.
■
Available in RoHS Compliant, Lead Free
Packages: 5 Pin SOT-23, 8 Pin Narrow
SOIC and 8 pin 2X3 DFN
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 800
μ
A 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 voltages
-- 1.2V, 1.5V, 1.8V, 2.5V, 3.0V, 3.1V, 3.3V, 5.0V -- or with an adjustable output. This device is offered
in 8 pin NSOIC, 8 pin DFN and 5-pin SOT-23 packages.
APPLICATIONS
■
Battery Powered Systems
■
Cordless Phones
■
Radio Control Systems
■
Portable/Palm Top/Notebook Computers
■
Portable Consumer Equipment
■
Portable Instrumentation
■
Bar Code Scanners
■
SMPS Post Regulators
TYPICAL APPLICATION CIRCUIT
+
+
GND
EN
BYP
(Opt.)
ENABLE may be tied directly to V
IN
SPX3819
1
2
3
4
5
V
IN
V
OUT
TOP View
SPX3819
8 Pin DFN
EN
NC
NC
NC
VIN
ADJ/BYP
VOUT
GND
5
6
7
8
1
2
3
4
500mA, Low-Noise LDO Voltage Regulator
SPX3819
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SPX3819S-L-1-2/TR | 功能描述:低壓差穩(wěn)壓器 - LDO 500mA LOW NOISE LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| SPX3819S-L-1-5 | 功能描述:低壓差穩(wěn)壓器 - LDO 500mA LOW NOISE LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| SPX3819S-L-1-5/TR | 功能描述:低壓差穩(wěn)壓器 - LDO 500mA LOW NOISE LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| SPX3819S-L-1-8 | 功能描述:低壓差穩(wěn)壓器 - LDO 500mA LOW NOISE LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| SPX3819S-L-1-8/TR | 功能描述:低壓差穩(wěn)壓器 - LDO 500mA LOW NOISE LDO RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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