Datasheet > ADT7221

ADT7221

更新时间： 2022-10-09 10:37:42

品牌	Logo	应用领域
ADTECH		/
页数	文件大小	规格书
6页	108K
描述
power supply chip with 5V regulated output

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ADT7221 数据手册

ADT7221

Part List

Component

Description

Type

Value

Composite type with a PNP transistor

and schottky barrier diode

U1^*1

FP103

PNP transistor

Chip transistor

MMBT589LT1

47uH/590mA

47uF/10V

Output filter inductor

Output filter capacitor

Bypass capacitor

Chip inductor

Tantalum capacitor

10uF/25V

Load capacitor for LDO

1uF/10V

*1 : For cost down , it is possible to use discrete component with a PNP transistor and a schottky barrier diode.

In this case, you make use the discrete components with proper electrical specification.

Table A shows the required key electrical limits. It is recommended to use PNP and schottky barrier diode

having equivalent specification in the Table A.

Table A : Selection guide for the discrete components

Component

Parameter

Collector to Emitter Voltage

Collector Current

Ratings

-20

Unit

Remarks

Recommend

PNP

‘2SB1424’ by ROHM or Equivalent IC

-2

Repetitive Peak Reverse Voltage

Average Rectified Current

Schottky

Barrier Diode

Recommend

‘RSX101M-30’ by ROHM or Equivalent

700

Pin Configuration

* This specifications are subject to be changed without notice

http://www.ad-tech.co.kr

Jun. 16. 2008 / Rev. 0.1

2/6

123 4 5 6

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