Datasheet > RT9020

RT9020

更新时间： 2024-09-16 15:50:03

品牌	Logo	应用领域
立锜 - RICHTEK		/
页数	文件大小	规格书
10页	173K
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RT9020 技术参数

Status：	Active	Vin (min) (V)：	2.2
Vin (max) (V)：	5.5	Vout (min) (V)：	1.2
Vout (max) (V)：	3.3	Output Adj. Method：	Fixed
Accuracy (+/- %)：	2	Iout (max) (mA)：	500
Iq (typ) (uA)：	25	Current Limit (typ) (mA)：
Vdropout @ rated current (typ) (mV)：	250 @ 0.5A	Cout (min) (uF)：
Cout Type：	Ceramic	Bias Rail：
Charge Pump：		Features：	Adjustable Soft-Start;Enable Input;OCP;Stable with Ceramic Capacitor
Package Type：	SC-70-5;SOT-25

RT9020 数据手册

RT9020

500mA, Low Dropout, Low Noise Ultra-Fast With Soft Start

CMOS LDO Regulator

General Description

Features

^Wide Operating Voltage Ranges : 2.2V to 5.5V

The RT9020 is a high-performance, 500mALDO regulator,

offering extremely high PSRR and ultra-low dropout, ideal

for portable RF and wireless applications with demanding

performance and space requirements.

^Low Dropout : 250mV at 500mA

^5mA Discharge Current of V_OUTwhen IC Shutdown

^Ultra-Low-Noise for DSC Application

^Ultra-Fast Response in Line/Load Transient

^Current Limiting Protection

The RT9020 quiescent current is as low as 25μA, further

prolonging the battery life. The RT9020 also works with

low-ESR ceramic capacitors, reducing the amount of board

space necessary for power applications, critical in hand-

held wireless devices.

^Thermal Shutdown Protection

^High Power Supply Rejection Ratio

^Output Only 1μF Capacitor Required for Stability

^TTL-Logic-Controlled Shutdown Input

^RoHS Compliant and 100% Lead (Pb)-Free

 Moisture Sensitivity Level : Level 3

The RT9020 consumes typical 0.7μA in shutdown mode

and has fast turn-on time less than 70μs (without C_SS).

The other features include ultra-low dropout voltage, high

output accuracy, current limiting protection, and high ripple

rejection ratio. Tiny packages SOT-23-5 and SC-70-5 are

available.

Applications

 Digital Still Camera

 CDMA/GSM Cellular Handsets

 Portable InformationAppliances

 Laptop, Palmtops, Notebook Computers

 Mini PCI & PCI-Express Cards

PCMCIA & New Cards

Ordering Information

RT9020

Package Type

B : SOT-23-5

U5 : SC-70-5

Marking Information

Lead Plating System

P : Pb Free

For marking information, contact our sales representative

directly or through a Richtek distributor located in your

area.

G : Green (Halogen Free and Pb Free)

Fixed Output Voltage

12 : 1.2V

15 : 1.5V

16 : 1.6V

Pin Configuration

32 : 3.2V

33 : 3.3V

1B : 1.25V

1H : 1.85V

2H : 2.85V

TOP VIEW

VOUT

Note :

VIN GND EN

Richtek products are :

SOT-23-5 / SC-70-5

 RoHS compliant and compatible with the current require-

ments of IPC/JEDEC J-STD-020.

 Suitable for use in SnPb or Pb-free soldering processes.

is a registered trademark of Richtek Technology Corporation.

DS9020-07 July 2017

www.richtek.com

12 3 4 5 6 7...10

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