RT8268 RICHTEK [Richtek Technology Corporation], RT8268 Datasheet

RT8268

Manufacturer Part Number

RT8268

Description

2A, 24V, 400kHz Step-Down Converter

Manufacturer

RICHTEK [Richtek Technology Corporation]

Datasheet

1.RT8268.pdf (15 pages)

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

RT8268GFP

Manufacturer:

RCT

Quantity:

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

RT8268GFP

Quantity:

Company:

Meier Automation Equipment Co., Limited

Part Number:

RT8268GFP

Manufacturer:

RICHTEK/立锜

Quantity:

20 000

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RT8268

2A, 24V, 400kHz Step-Down Converter

General Description

The RT8268 is a high voltage buck converter that can

support the input voltage range from 4.75V to 24V and the

output current can be up to 2A. Current Mode operation

provides fast transient response and eases loop

stabilization. The RT8268 also provides adjustable soft-

start to be a flexible solution for customers.

The chip provides protection functions such as cycle-by-

cycle current limiting and thermal shutdown protection.

In shutdown mode, the regulator draws 22μA of supply

current. The RT8268 is available in the SOP-8 and

MSOP-10 (Exposed Pad) surface mount package.

Ordering Information

Note :

Richtek products are :

Marking Information

For marking information, contact our sales representative

directly or through a Richtek distributor located in your

area.

DS8268-02 March 2011

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.

Package Type

S : SOP-8

FP : MSOP-10 (Exposed Pad)

Lead Plating System

G : Green (Halogen Free and Pb Free)

Features

Applications

Pin Configurations

Wide Operating Input Range : 4.75V to 24V

Adjustable Output Voltage Range : 0.92V to 16V

Output Current up to 2A

22μ μ μ μ μ A Low Shutdown Current

Power MOSFET : 0.18Ω Ω Ω Ω Ω

High Efficiency up to 95%

400kHz Fixed Switching Frequency

Stable with Low ESR Output Ceramic Capacitors

Programmable Soft-Start

Thermal Shutdown Protection

Cycle-By-Cycle Over Current Protection

RoHS Compliant and Halogen Free

Distributive Power Systems

Battery Charger

DSL Modems

Pre-regulator for Linear Regulators

BOOT

VIN

GND

VIN

MSOP-10 (Exposed Pad)

(TOP VIEW)

SOP-8

GND

COMP

GND

RT8268

www.richtek.com

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