Datasheet > FAN2503S25

FAN2503S25

更新时间： 2024-11-22 23:51:43

品牌	Logo	应用领域
其他 - ETC		稳压器
页数	文件大小	规格书
10页	381K
描述
Positive Fixed Voltage Regulator

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FAN2503S25 数据手册

www.fairchildsemi.com

FAN2502, FAN2503

150 mA CMOS LDO Regulators

wide variety of external capacitors, and the compact SOT23-5

surface-mount package. The FAN2502/03 family of products

offer signiﬁcant improvements over older BiCMOS designs

and are pin-compatible with many popular devices. The

output is thermally protected against overload.

Features

• Ultra Low Power Consumption

• 150 mV dropout voltage at 150 mA

• 25 µA ground current at 150 mA

• Enable/Shutdown Control

• SOT23-5 package

The FAN2502 and FAN2503 devices are distinguished by

the assignment of pin 4:

• Thermal limiting

• 300 mA peak current

FAN2502: pin 4 – ADJ, allowing the user to adjust the

output voltage over a wide range using an external voltage

divider.

Applications

• Cellular Phones and accessories

• PDAs

• Portable cameras and video recorders

• Laptop, notebook and palmtop computers

FAN2502-XX: pin 4 – BYP, to which a bypass capacitor

may be connected for optimal noise performance. Output

voltage is ﬁxed, indicated by the sufﬁx XX.

Description

FAN2503-XX: pin 4 – ERR, a ﬂag which indicates that the

output voltage has dropped below the speciﬁed minimum

due to a fault condition.

The FAN2502/03 family of micropower low-dropout voltage

regulators utilize CMOS technology to offer a new level of

cost-effective performance in GSM and TDMA cellular

handsets, Laptop and Notebook portable computers, and

other portable devices. Features include extremely low

power consumption and low shutdown current, low dropout

voltage, exceptional loop stability able to accommodate a

The standard ﬁxed output voltages available are 2.5V, 2.6V,

2.7V, 2.8V, 2.85V, 3.0V, and 3.3V. Custom output voltage are

also available: please contact your local Fairchild Sales

Ofﬁce for information.

Block Diagrams

BYP

Bandgap

Error

Amplifier

OUT

ADJ

Thermal

Sense

Thermal

Sense

GND

FAN2502

FAN2502-XX

ERR

Bandgap

Error

Amplifier

OUT

Thermal

Sense

GND

FAN2503-XX

REV. 1.1.2 12/18/00

12 3 4 5 6 7...10

中文翻译

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