Datasheet > LP3995ITL-2.85/NOPB

LP3995ITL-2.85/NOPB

更新时间： 2024-11-23 03:02:43

品牌	Logo	应用领域
英特矽尔 - INTERSIL		稳压器
页数	文件大小	规格书
16页	347K
描述
Micropower 150mA CMOS Voltage Regulator with Active Shutdown

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January 4, 2008

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 de-

vices, this device will also be used to meet more general

circuit needs in which a fast turn-off is essential.

Key Specifications

2.5V to 6.0V Input Range

■

Accurate Output Voltage; ±75mV / 2%

60 mV Typical Dropout with 150 mA Load

Virtually Zero Quiescent Current when Disabled

Low Output Voltage Noise

Stable with a 1 µF Output Capacitor

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 al-

lows the system to further extend the battery lifetime by

reducing the power consumption to virtually zero.

Guaranteed 150 mA Output Current

Fast Turn-on; 30 µs (Typ.)

Fast Turn-off; 175 µs (Typ.)

■

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.

Features

5 pin micro SMD Package

■

6 pin LLP Package

The LP3995 also features internal protection against short-

circuit currents and over-temperature conditions.

Stable with Ceramic Capacitor

Logic Controlled Enable

The LP3995 is designed to be stable with small 1.0 µF ce-

ramic capacitors. The small outline of the LP3995 micro SMD

package with the required ceramic capacitors can realize a

system application within minimal board area.

Fast Turn-on

Active Disable for Fast Turn-off.

Thermal-overload and Short-circuit Protection

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

range.

−40 to +125°C Junction Temperature Range for Operation

■

The device is available in micro SMD package and LLP pack-

age. For other package options contact your local NSC sales

office.

Applications

GSM Portable Phones

■

CDMA Cellular Handsets

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.

Wideband CDMA Cellular Handsets

Bluetooth Devices

Portable Information Appliances

■

Typical Application Circuit

20034901

200349

www.national.com

12 3 4 5 6 7...16

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与LP3995ITL-2.85/NOPB相关器件

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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
LP3995ITLX-1.6	NSC	获取价格	Micropower 150mA CMOS Voltage Regulator with Active Shutdown
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