Datasheet > LP3995ITL-2.85

LP3995ITL-2.85

更新时间： 2024-11-22 22:05:11

品牌	Logo	应用领域
美国国家半导体 - NSC		稳压器
页数	文件大小	规格书
14页	353K
描述
Micropower 150mA CMOS Voltage Regulator with Active Shutdown

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LP3995ITL-2.85 数据手册

August 2004

LP3995

Micropower 150mA CMOS Voltage Regulator with Active

Shutdown

General Description

Key Specifications

n 2.5V to 6.0V Input Range

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.

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.)

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.

n Fast Turn-off; 175 µs (Typ.)

Features

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.

n 5 pin micro SMD Package

n 6 pin LLP Package

n Stable with Ceramic Capacitor

n Logic Controlled Enable

n Fast Turn-on

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.

n Active Disable for Fast Turn-off.

n Thermal-overload and Short-circuit Protection

−40 to +125˚C Junction Temperature Range for

Operation

Performance is specified for a −40˚C to +125˚C temperature

range.

Applications

The device is available in micro SMD package and LLP

package. For other package options contact your local NSC

sales office.

n GSM Portable Phones

n CDMA Cellular Handsets

n Wideband CDMA Cellular Handsets

n Bluetooth Devices

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.

n Portable Information Appliances

Typical Application Circuit

20034901

DS200349

www.national.com

12 3 4 5 6 7...14

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与LP3995ITL-2.85相关器件

型号	品牌	获取价格	描述	数据表
LP3995ITL-2.85/NOPB	INTERSIL	获取价格	Micropower 150mA CMOS Voltage Regulator with Active Shutdown
LP3995ITL-2.85/NOPB	NSC	获取价格	IC VREG 2.85 V FIXED POSITIVE REGULATOR, PBGA5, LEAD FREE, MICRO, SMD-5, Fixed Positive Si
LP3995ITL-3.0	NSC	获取价格	Micropower 150mA CMOS Voltage Regulator with Active Shutdown
LP3995ITL-3.0	INTERSIL	获取价格	Micropower 150mA CMOS Voltage Regulator with Active Shutdown
LP3995ITL-3.0/NOPB	NSC	获取价格	IC VREG 3 V FIXED POSITIVE REGULATOR, PBGA5, LEAD FREE, MICRO, SMD-5, Fixed Positive Singl
LP3995ITL-3.0/NOPB	TI	获取价格	Micropower 150-mA CMOS Voltage Regulator With Active Shutdown
LP3995ITL-3.0/NOPB	INTERSIL	获取价格	Micropower 150mA CMOS Voltage Regulator with Active Shutdown
LP3995ITLX-1.5	NSC	获取价格	Micropower 150mA CMOS Voltage Regulator with Active Shutdown
LP3995ITLX-1.5/NOPB	NSC	获取价格	IC VREG 1.5 V FIXED POSITIVE REGULATOR, PBGA5, LEAD FREE, MICRO, SMD-5, Fixed Positive Sin
LP3995ITLX-1.5/NOPB	TI	获取价格	Micropower 150-mA CMOS Voltage Regulator With Active Shutdown

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