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參數(shù)資料
| 型號： | LP3995ILD-2.8 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Micropower 150mA CMOS Voltage Regulator with Active Shutdown |
| 中文描述： | 2.8 V FIXED POSITIVE REGULATOR, DSO6 |
| 封裝： | SOT-23, LLP-6 |
| 文件頁數(shù)： | 1/14頁 |
| 文件大?。?/td> | 355K |
| 代理商： | LP3995ILD-2.8 |
LP3995
Micropower 150mA CMOS Voltage Regulator with Active
Shutdown
General Description
The LP3995 linear regulator is designed to meet the require-
ments of portable battery-powered applications and will pro-
vide an accurate output voltage with low noise and low
quiescent current. Ideally suited for powering RF/Analog
devices, this device will also be used to meet more general
circuit needs in which a fast turn-off is essential.
For battery powered applications the low dropout and low
ground current provided by the device allows the lifetime of
the battery to be maximized. The Enable(/Disable) control
allows the system to further extend the battery lifetime by
reducing the power consumption to virtually zero.
The Enable(/Disable) function on the device incorporates an
active discharge circuit on the output for faster device shut-
down. Where the fast turn-off is not required the LP3999
linear regulator is recommended.
The LP3995 also features internal protection against short-
circuit currents and over-temperature conditions.
The LP3995 is designed to be stable with small 1.0 μF
ceramic capacitors. The small outline of the LP3995 micro
SMD package with the required ceramic capacitors can
realize a system application within minimal board area.
Performance is specified for a 40C to +125C temperature
range.
The device is available in micro SMD package and LLP
package. For other package options contact your local NSC
sales office.
The device is available in fixed output voltages in the ranges
1.5V to 3.3V. For availability, please contact your local NSC
sales office.
Key Specifications
n
2.5V to 6.0V Input Range
n
Accurate Output Voltage;
±
75mV / 2%
n
60 mV Typical Dropout with 150 mA Load
n
Virtually Zero Quiescent Current when Disabled
n
Low Output Voltage Noise
n
Stable with a 1 μF Output Capacitor
n
Guaranteed 150 mA Output Current
n
Fast Turn-on; 30 μs (Typ.)
n
Fast Turn-off; 175 μs (Typ.)
Features
n
5 pin micro SMD Package
n
6 pin LLP Package
n
Stable with Ceramic Capacitor
n
Logic Controlled Enable
n
Fast Turn-on
n
Active Disable for Fast Turn-off.
n
Thermal-overload and Short-circuit Protection
n
40 to +125C Junction Temperature Range for
Operation
Applications
n
GSM Portable Phones
n
CDMA Cellular Handsets
n
Wideband CDMA Cellular Handsets
n
Bluetooth Devices
n
Portable Information Appliances
Typical Application Circuit
20034901
August 2004
L
2004 National Semiconductor Corporation
DS200349
www.national.com
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PDF描述 |
|---|---|
| LP3995ILDX-2.8 | Micropower 150mA CMOS Voltage Regulator with Active Shutdown |
| LP3995ILDX-3.0 | Micropower 150mA CMOS Voltage Regulator with Active Shutdown |
| LP3995ITL-2.8 | Micropower 150mA CMOS Voltage Regulator with Active Shutdown |
| LP3995ITL-2.85 | Micropower 150mA CMOS Voltage Regulator with Active Shutdown |
| LP3995ITL-3.0 | Micropower 150mA CMOS Voltage Regulator with Active Shutdown |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| LP3995ILD-3.0 | 功能描述:低壓差穩(wěn)壓器 - 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LP3995ILD-3.0/NOPB | 功能描述:低壓差穩(wěn)壓器 - 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 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| LP3995ILDX-1.5 | 功能描述:IC REG LDO 1.5V .15A 6-LLP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 穩(wěn)壓器拓撲結構:正，固定式 輸出電壓:3.1V 輸入電壓:最高 5.5V 電壓 - 壓降（標準）:- 穩(wěn)壓器數(shù)量:1 電流 - 輸出:300mA 電流 - 限制（最?。?420mA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-5 細型，TSOT-23-5 供應商設備封裝:TSOT-23-5 包裝:帶卷 (TR) |
| LP3995ILDX-1.5/NOPB | 制造商:Texas Instruments 功能描述:LDO Regulator Pos 1.5V 0.15A 6-Pin LLP EP T/R |
| LP3995ILDX-1.6 | 功能描述:IC REG LDO 1.6V .15A 6-LLP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 產(chǎn)品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 穩(wěn)壓器拓撲結構:正，固定式 輸出電壓:3.1V 輸入電壓:最高 5.5V 電壓 - 壓降（標準）:- 穩(wěn)壓器數(shù)量:1 電流 - 輸出:300mA 電流 - 限制（最小）:420mA 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:SOT-23-5 細型，TSOT-23-5 供應商設備封裝:TSOT-23-5 包裝:帶卷 (TR) |
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