Datasheet > LP2966IMMX-3336

LP2966IMMX-3336

更新时间： 2024-11-22 22:46:59

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
15页	460K
描述
Dual 150mA Ultra Low-Dropout Regulator

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LP2966IMMX-3336 数据手册

April 2000

LP2966

Dual 150mA Ultra Low-Dropout Regulator

General Description

Features

n Ultra low drop-out voltage

n Low ground pin current

The LP2966 dual ultra low-dropout (LDO) regulator operates

from a +2.70V to +7.0V input supply. Each output delivers

150mA over full temperature range. The IC operates with ex-

tremely low drop-out voltage and quiescent current, which

makes it very suitable for battery powered and portable ap-

plications. Each LDO in the LP2966 has independent shut-

down capability. The LP2966 provides low noise perfor-

mance with low ground pin current in an extremely small

MSOP-8 package (refer to package dimensions and connec-

tion diagram for more information on MSOP-8 package). A

wide range of preset voltage options are available for each

output. In addition to the voltage combinations listed in the

ordering information table, many more are available upon re-

quest with minimum orders. In all, 256 voltage combinations

are possible.

1µA quiescent current in shutdown mode

n Independent shutdown of each LDO regulator

n Output voltage accuracy 1%

n Guaranteed 150mA output current at each output

n Low output noise

n Error Flags indicate status of each output

n Available in MSOP-8 surface mount packages

n Low output capacitor requirements (1µF)

n Operates with Low ESR ceramic capacitors in most

applications

n Over temperature/over current protection

n -40˚C to +125˚C junction temperature range

Key Specifications

Dropout Voltage: Varies linearly with load current. Typically

0.9 mV at 1mA load current and 135mV at 150mA load cur-

rent.

Applications

n Cellular and Wireless Applications

n Palmtop/Laptop Computer

n GPS systems

Ground Pin Current: Typically 300µA at 1mA load current

and 340µA at 100mA load current (with one shutdown pin

pulled low).

n Flat panel displays

n Post regulators

n USB applications

n Hand held equipment and multimeters

n Wireless data terminals

n Other battery powered applications

Shutdown Mode: Less than 1µA quiescent current when

both shutdown pins are pulled low.

Error Flag: Open drain output, goes low when the corre-

sponding output drops 10% below nominal.

Precision Output Voltage: Multiple output voltage options

available ranging from 1.8V to 5.0V with a guaranteed accu-

racy of 1% at room temperature.

Typical Application Circuit

DS100850-30

*SD1 and SD2 must be actively terminated through a pull up resistor. Tie to V if not used.

**ERROR1 and ERROR2 are open drain outputs. These pins must be connected to ground if not used.

# Minimum output capacitance is 1µF to insure stability over full load current range. More capacitance improves superior dynamic performance and provides

additional stability margin.

DS100850

www.national.com

12 3 4 5 6 7...15

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与LP2966IMMX-3336相关器件

型号	品牌	获取价格	描述	数据表
LP2966IMMX-3636	NSC	获取价格	Dual 150mA Ultra Low-Dropout Regulator
LP2966IMMX-3636/NOPB	TI	获取价格	DUAL OUTPUT, FIXED POSITIVE LDO REGULATOR, PDSO8
LP2966IMMX-5050	NSC	获取价格	Dual 150mA Ultra Low-Dropout Regulator
LP2966MM3325EP	NSC	获取价格	IC VREG DUAL OUTPUT, FIXED POSITIVE LDO REGULATOR, PDSO8, PLASTIC, MSOP-8, Fixed Positive
LP2966MX3325EP	NSC	获取价格	Enhanced Plastic Dual 150mA Ultra Low-Dropout Regulator
LP2966MX5050EP	NSC	获取价格	IC VREG DUAL OUTPUT, FIXED POSITIVE LDO REGULATOR, PDSO8, PLASTIC, MSOP-8, Fixed Positive
LP2967	NSC	获取价格	Dual Micropower 150 mA Low-Dropout Regulator in micro SMD Package
LP2967	TI	获取价格	Dual Micropower 150 mA Low-Dropout Regulator in micro SMD Package
LP2967IBP-1825	TI	获取价格	Dual Micropower 150 mA Low-Dropout Regulator in micro SMD Package
LP2967IBP-1825	NSC	获取价格	Dual Micropower 150 mA Low-Dropout Regulator in micro SMD Package

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