Datasheet > GPTW5V030MHSRGT001

GPTW5V030MHSRGT001

更新时间： 2022-04-23 23:00:11

品牌	Logo	应用领域
GALAXY - GALAXY		/
页数	文件大小	规格书
7页	905K
描述
TAURUS Series

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GPTW5V030MHSRGT001 数据手册

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APPLICATION NOTES

Output Over Voltage Protection:

Trim:

The output voltage is constantly monitored by the

microprocessor and a redundant secondary side

crowbar circuit that is set to a higher trip point than

the microprocessor protection. If the output voltage

exceeds the over-voltage specification, the

To trim the output voltage higher, connect the

required trim resistor from the Trim pin to the

+Sense pin. To trim the output voltage lower,

connect the required trim resistor from the Trim pin

to the –Sense pin. See diagram below.

microprocessor will latch the converter off. To turn

the converter on requires either cycling the ON/

OFF pin or power to the converter. This advanced

feature prevents the converter from damaging the

load if there is a converter failure or application

error. If non-latching is required, consult factory.

Trim-down

Thermal Shutdown:

The printed circuit board temperature is measured

using a semiconductor sensor. If the maximum

rated temperature is exceeded, the converter is

latched off. To re-enable the converter requires

cycling the ON/OFF pin or power to the converter.

If non-latching shutdown is required, consult

factory.

Trim-down (%)

100

R_TRIM-DOWN

– 2 kΩ

{_∆%}

Control Options:

As the behavior of the circuit is determined by

firmware in the microcontroller, specific customer

requirements such as:

Trim-up (for 3.3V)

• non-latching thermal protection

• custom valid input voltage range

• controlled delay from initiating an ON/OFF

signal for power sequencing

can be accomplished with no change to hardware.

The standard behavior was chosen based on

system design experience but we understand that

customers often have their own requirements.

Please consult Galaxy Power for your special

needs.

Remote Sense:

Trim-up (%)

The output voltage is regulated at the point where

the sense pins connect to the power output pins.

Total sense compensation should not exceed 0.4V

or 10% of Vout, whichever is greater.

Vo (100+∆%) (100+2∆%)

R_TRIM-UP

–

kΩ

{

}

1.225∆%

∆%

External Output Trimming

+ Sense

Safety:

An external input fuse must always be used to

meet these safety requirements.

Trim

– Sense

Taurus Series, Page 4

WWW.GALAXYPWR.COM

Part No. 99–001 Rev. 5.0–090803

1 2 345 6 7

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