Datasheet > SGM6609

SGM6609

更新时间： 2023-09-03 20:25:13

品牌	Logo	应用领域
圣邦微 - SGMICRO		/
页数	文件大小	规格书
12页	675K
描述
High-Current, Synchronous Boost Converter with Adjustable Current Limit

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SGM6609 数据手册

SGM6609

High-Current, Synchronous Boost

Converter with Adjustable Current Limit

GENERAL DESCRIPTION

FEATURES

The SGM6609 is a high-current, synchronous boost

DC/DC converter with a programmable peak current

limit. The peak current limit is programmed from 0.5A to

3.5A by an external resistor from ISET pin to ground.

The device also uses an external resistive divider to set

the output voltage from 3V to 5V.

● 2.4V to 5V Input Voltage Range

● 3V to 5V Adjustable Output Voltage

● 0.5A to 3.5A Programmable N-MOSFET Peak

Current Limit

● Up to 95%Efficiency

● 1.2MHz Switching Frequency

This device has the input current protection to avoid

overload of system power. When applying a large load

pulse, it uses a selectable large capacitor to ensure that

the output voltage meets the load power requirement.

At light loads, the light load switching frequency

modulation and low I_Qhelp the device maintain high

efficiency. It also has the features like synchronous

boost rectification and internal compensation. And the

internal compensation offers a fast transient response

with no external components.

● Synchronous Boost Rectification and Internal

Compensation

● Reverse Current Blocking

● True Load Disconnection in Shutdown

● Power-Good Indication

● Programmable Over-Voltage Protection

● Over-Temperature and Short-Circuit Protection

● Available in a Green TDFN-3×3-12L Package

● -40℃ to +85℃ Operating Temperature Range

This device also integrates a reverse current blocking

to avoid current flowing back to the input. In shutdown

mode, the input and output are isolated by the true load

disconnection function. The device also includes

over-temperature protection, short-circuit protection

and programmable over-voltage protection.

APPLICATIONS

Industry and USB Modems

PC (PCMCIA) Modems Cards

PCI-E Modem Cards

WCDMA/Edge/GPRS/TD-SCDMA

CDMA/Evdo-A/Evdo-B

The SGM6609 is available in Green TDFN-3×3-12L

package and is rated over the -40 ℃ to +85 ℃

temperature range.

SG Micro Corp

FEBRUARY 2015 – REV. A

www.sg-micro.com

12 3 4 5 6 7...12

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