Datasheet > LP3995

LP3995

更新时间： 2024-11-23 02:58:31

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描述
Micropower 150-mA CMOS Voltage Regulator With Active Shutdown

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LP3995 数据手册

LP3995

www.ti.com

SNVS179E –FEBRUARY 2003–REVISED MARCH 2013

LP3995 Micropower 150mA CMOS Voltage Regulator with Active Shutdown

Check for Samples: LP3995

FEATURES

DESCRIPTION

The LP3995 linear regulator is designed to meet the

requirements of portable battery-powered applications

and will provide 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.

•

5 pin DSBGA Package

•

6 pin WSON Package

Stable With Ceramic Capacitor

Logic Controlled Enable

Fast Turn-On

Active Disable for Fast Turn-Off

Thermal-overload and Short-Circuit Protection

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.

−40 to +125°C Junction Temperature Range for

Operation

APPLICATIONS

The Enable(/Disable) function on the device

incorporates an active discharge circuit on the output

for faster device shutdown. Where the fast turn-off is

not required the LP3999 linear regulator is

recommended.

•

GSM Portable Phones

CDMA Cellular Handsets

Wideband CDMA Cellular Handsets

Bluetooth Devices

Portable Information Appliances

The LP3995 also features internal protection against

short-circuit

conditions.

currents

and

over-temperature

KEY SPECIFICATIONS

•

Input Range: 2.5V to 6.0V

The LP3995 is designed to be stable with small 1.0

µF ceramic capacitors. The small outline of the

LP3995 DSBGA package with the required ceramic

capacitors can realize a system application within

minimal board area.

Accurate Output Voltage: ±75mV / 2%

Typical Dropout with 150 mA Load: 60mV

Virtually Zero Quiescent Current when

Disabled

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

temperature range.

•

Low Output Voltage Noise

Stable with an Output Capacitor of 1µF

Output Current: 150mA

The device is available in DSBGA package and

WSON package. For other package options contact

your local TI sales office.

Fast Turn-on: 30µs (Typ.)

Fast Turn-off: 175µs (Typ.)

The device is available in fixed output voltages in the

ranges 1.5V to 3.3V. For availability, please contact

your local TI sales office.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...23

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LP3995 替代型号

型号	品牌	替代类型	描述	数据表
LP2983	TI	功能相似	具有低输出电压和使能功能的 150mA、16V、低压降稳压器
LP3985	TI	功能相似	LP3985 Micropower, 150mA Low-Noise Ultra Low-Dropout CMOS Voltage Regulator
LP2980-N	TI	功能相似	Micropower 50 mA Ultra Low-Dropout Regulator In SOT-23 Package

与LP3995相关器件

型号	品牌	获取价格	描述	数据表
LP3995ILD-1.5	INTERSIL	获取价格	Micropower 150mA CMOS Voltage Regulator with Active Shutdown
LP3995ILD-1.5	NSC	获取价格	Micropower 150mA CMOS Voltage Regulator with Active Shutdown
LP3995ILD-1.5/NOPB	TI	获取价格	具有主动输出放电和旁路功能的 150mA、低压降稳压器 \| NGD \| 6 \| -40 t
LP3995ILD-1.6	INTERSIL	获取价格	Micropower 150mA CMOS Voltage Regulator with Active Shutdown
LP3995ILD-1.6	NSC	获取价格	Micropower 150mA CMOS Voltage Regulator with Active Shutdown
LP3995ILD-1.6/NOPB	TI	获取价格	IC,VOLT REGULATOR,FIXED,+1.6V,CMOS,LLCC,6PIN,PLASTIC
LP3995ILD-1.8	NSC	获取价格	Micropower 150mA CMOS Voltage Regulator with Active Shutdown
LP3995ILD-1.8	INTERSIL	获取价格	Micropower 150mA CMOS Voltage Regulator with Active Shutdown
LP3995ILD-1.8/NOPB	TI	获取价格	具有主动输出放电和旁路功能的 150mA、低压降稳压器 \| NGD \| 6 \| -40 t
LP3995ILD-1.9	NSC	获取价格	Micropower 150mA CMOS Voltage Regulator with Active Shutdown

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