Datasheet > GM66300-5.0TB3T

GM66300-5.0TB3T

更新时间： 2024-11-01 12:02:47

品牌	Logo	应用领域
GAMMA		稳压器
页数	文件大小	规格书
15页	171K
描述
3.0A ULTRA LOW DROPOUT VOLTAGE REGULATORS

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GM66300-5.0TB3T 数据手册

2010/3/2

GM66300 Series

3.0A ULTRA LOW DROPOUT VOLTAGE

REGULATORS

Description

Features

The GM66300, GM66301 and GM66302 are

3.0A, low dropout linear voltage regulators that

provide a low voltage, high-current output with a

minimum of external components. Utilizing

proprietary Super beta PNP pass element, the

GM66300/1/2 offers extremely low dropout

(typically 400mV at 3.0A) and low ground current

(typically 36mA at 3.0A).

3.0A minimum guaranteed output current

500mV maximum dropout voltage over

temperature, which is ideal for 3.0V to 2.5V

conversion and 2.5V to 1.8V conversion.

1% initial accuracy

Low ground current

Current limiting and Thermal shutdown

Reversed-battery protection

Reversed-leakage protection

Fast transient response

The GM66300/1/2 is ideal for PC add-in cards

that need to convert from standard 3.3V to 2.5V

or 2.5V to 1.8V. A guaranteed maximum dropout

voltage of 500mV over all operating conditions

allows the GM66300/1/2 to provide 2.5V from a

supply as low as 3V, and 1.8V from a supply as

low as 2.5V. The GM66300/1/2 also has fast

transient response for heavy switching

Error flag output (GM66301 only)

Adjustable version (GM66302 only)

applications. The device requires only 47µF of

output capacitance to maintain stability and

achieve fast transient response.

Application

The GM66300/1/2 is fully protected with over

current limiting, thermal shutdown,

PC Add-in Cards

reversed-battery protection, reversed-leakage

protection, and reversed-lead insertion. The

GM66301 offers a TTL-logic compatible enable

pin and an error flag that indicates under voltage

and over current conditions. Offered in fixed

voltages, the GM66300/1 comes in the TO-220

and TO-263 packages and is an ideal upgrade to

older, NPN-based linear voltage regulators.

High Efficiency Linear Power Supplies

Multi-media and PC Processor Supplies

Low Voltage Microcontrollers

Automotive Electronics

The GM66302 is adjustable version, with On/Off

feature.

Typical Application Circuits

GM66300-2.5

GM66301-2.5

Enable

V_IN

Error Flag Output

Enable

Flag

V_OUT

V_IN

V_OUT

Shutdown

3.3V

2.5V

Gnd

V_IN

47uF

V_OUT

2.5V

Gnd

3.3V

47uF

GM66302

Enable

Shutdown

V_OUT

Enable

V_OUT

Adj

V_IN

Gnd

1.0uF

47uF

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