RT8282B RICHTEK [Richtek Technology Corporation], RT8282B Datasheet

RT8282B

Manufacturer Part Number

RT8282B

Description

2A, 23V, 1.2MHz Synchronous Step-Down Converter

Manufacturer

RICHTEK [Richtek Technology Corporation]

Datasheet

1.RT8282B.pdf (14 pages)

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

H&T Electronics

Part Number:

RT8282BHGSP

Quantity:

120

Current page: 1 of 14
Download datasheet (205Kb)

RT8282B

2A, 23V, 1.2MHz Synchronous Step-Down Converter

General Description

The RT8282B is a high efficiency, monolithic synchronous

step-down DC/DC converter that can deliver up to 2A

output current from a 4.5V to 23V input supply. The

RT8282B's current mode architecture and external

compensation allow the transient response to be

optimized over a wide range of loads and output capacitors.

Cycle-by-cycle current limit provides protection against

shorted outputs and soft-start eliminates input current

surge during start-up. The RT8282B also provides under

voltage protection and thermal shutdown protection. The

low current (<3μA) shutdown mode provides output

disconnect, enabling easy power management in battery-

powered systems. The RT8282B is available in a

SOP-8 (Exposed Pad) package.

Ordering Information

Note :

Richtek products are :

Marking Information

DS8282B-01 March 2011

RT8282B

xGSPYMDNN

ments of IPC/JEDEC J-STD-020.

RoHS compliant and compatible with the current require-

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

RT8282BGSP : Product Number

x : H or L

YMDNN : Date Code

Package Type

SP : SOP-8 (Exposed Pad-Option 1)

Lead Plating System

G : Green (Halogen Free and Pb Free)

H : UVP Hiccup

L : UVP Latch-Off

Features

Applications

Pin Configurations

Set-Top-Box

Industrial and Commercial Low Power Systems

LCD Monitors and TVs

Green Electronics/Appliances

Point of Load Regulation of High-Performance DSPs

Wireless AP/Router

2A Output Current

Up to 95% Efficiency

Integrated N-MOSFET Switches

Current Mode Control

Adjustable Output from 0.8V to 20V

Cycle-by-Cycle Over Current Protection

± ± ± ± ± 1.5% High Accuracy Feedback Voltage

4.5V to 23V Input Voltage Range

Fixed Frequency Operation : 1.2MHz

Stable with Low-ESR Ceramic Output Capacitors

Input Under Voltage Lockout

Output Under Voltage Protection

Thermal Shutdown Protection

RoHS Compliant and Halogen Free

Programmable Soft-Start

BOOT

GND

VIN

SOP-8 (Expoaed Pad)

(TOP VIEW)

GND

RT8282B

COMP

www.richtek.com

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