Datasheet > RTQ2533W

RTQ2533W

更新时间： 2024-02-22 11:51:04

品牌	Logo	应用领域
立锜 - RICHTEK		/
页数	文件大小	规格书
19页	505K
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RTQ2533W 技术参数

Status：	Active	Vin (min) (V)：	1.1
Vin (max) (V)：	6.5	Vout (min) (V)：	0.8
Vout (max) (V)：	5.5	Output Adj. Method：	Fixed;Resistor
Accuracy (+/- %)：	1	Iout (max) (mA)：	3000
Iq (typ) (uA)：	4300	Current Limit (typ) (mA)：
Vdropout @ rated current (typ) (mV)：	110 @ 3A	Cout (min) (uF)：
Cout Type：	Ceramic	Bias Rail：
Charge Pump：		Features：	Enable Input;Extra Low Noise;High PSRR;OCP;Power Good
Package Type：	VQFN3.5x3.5-20	Datasheet：	https://datasheet5.oss-cn-shanghai.aliyuncs.com/datasheets/richtek/DSQ2533W-00.pdf

RTQ2533W 数据手册

RTQ2533W

3A, 6.5V, Ultra Low Noise, Ultra Low Dropout Linear Regulator

General Description

Features

^Input Voltage Range : 1.1V to 6.5V

The RTQ2533W is a high-current (3A), low-noise

(6.8μV_RMS), high accuracy (1% over line, load, and

temperature), low-dropout linear regulator (LDO) capable

of sourcing 3A with extremely low dropout (max. 180mV).

The device output voltage is pin-selectable (up to 3.95V)

using a PCB layout without the need of external resistors,

thus reducing overall component count. Designers can

achieve higher output voltage with the use of external

resistor divider. The device supports single input supply

voltage as low to 1.1V that makes it easy to use.

^Two Output Voltage Modes

^0.8 V to 5.5V (Set by a Resistive Divider)

^0.8 V to 3.95V (Set via PCB Layout, No External

Resistor Required)

^Accurate Output Voltage Accuracy (1%) Over Line,

Load and Temperature

^Ultra High PSRR : 40dB at 500kHz

^Excellent Noise Immunity

^^6.8μV_RMSat 0.8V Output

^^10μV_RMSat 3.3V Output

^Ultra Low Dropout Voltage : 180mV at 3A

 Enable Control

The low noise, high PSRR and high output current capability

makes the RTQ2533W ideal to power noise-sensitive

devices such as analog-to-digital converters (ADCs),

digital-to-analog converters (DACs), and RF components.

With very high accuracy, remote sensing, and soft-start

capabilities to reduce inrush current, the RTQ2533W is

ideal for powering digital loads such as FPGAs, DSPs,

andASICs.

 Programmable Soft-Start Output

 Stable with a 47μF or Larger Ceramic Output

Capacitor

 Support Power-Good Indicator Function

 RoHS Compliant and Halogen Free

The external enable control and power good indicator

function makes the control sequence easier. The output

noise immunity is enhanced by adding external bypass

capacitor onNR/SS pin. The device is fully specified over

the temperature range of T_J= −40°C to 125°C and is

offered in a VQFN-20L 3.5x3.5 package.

Applications

 Portable ElectronicDevice

 Wireless Infrastructure : SerDes, FPGA, DSP

 RF, IF Components : VCO, ADC, DAC, LVDS

Pin Configuration

(TOP VIEW)

Ordering Information

RTQ2533W

20 19 18 17 16

Pin 1 Orientation***

VOUT

SNS

PGOOD

50mV

VIN

NR/SS

(2) : Quadrant 2, Follow EIA-481-D

Package Type

QV : VQFN-20L 3.5x3.5 (V-Type)

GND

1.6V

Lead Plating System

G : Green (Halogen Free and Pb Free)

Note :

***Empty means Pin1 orientation is Quadrant 1

Richtek products are :

VQFN-20L 3.5x3.5

 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.

DSQ2533W-00 April 2019

www.richtek.com

12 3 4 5 6 7...19

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