SS6610G

更新时间： 2024-11-21 06:13:59

品牌	Logo	应用领域
SSC		转换器
页数	文件大小	规格书
16页	1175K
描述
High-efficiency Synchronous Step-up DC/DC Converter

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SS6610G 数据手册

SS6610/11G

High-efficiency Synchronous Step-up DC/DC Converter

PRODUCT SUMMARY

DESCRIPTION

High efficiency boost converter

Output current up to 500mA

No external diode required

The SS6610/11G are high-efficiency step-up

DC/DC converters, with a start-up voltage as low

as 0.8V, and an operating voltage down to 0.7V.

Consuming only 20µA of quiescent current,

these devices include a built-in synchronous rec-

tifier that reduces size and cost by eliminating

the need for an external Schottky diode, and

improves overall efficiency by minimizing

losses.

FEATURES

Quiescent supply current of 20µA.

Power-saving shutdown mode (0.1µA typical).

Internal synchronous rectifier

On-chip low-battery detector.

Low battery hysteresis

The switching frequency can range up to

500KHz depending on the load and input volt-

age. The output voltage can be easily set by:

1) two external resistors for 1.8V to 5.5V;

Pb-free, RoHS compliant MSOP-8

APPLICATIONS

Palmtop and notebook computers.

PDAs

2) connecting FB to OUT to get 3.3V; or

3) connecting FB to GND to get 5.0V.

The peak current of the internal switch is fixed at 1A

(SS6610G) or 0.65A (SS6611G) for design flexibility.

Wireless phones

Pocket organizers.

Digital cameras.

Hand-held devices with 1 to 3 cells of

NiMH/NiCd batteries.

TYPICAL APPLICATION CIRCUIT

47µF

22µH

OFF

SHDN

SS6610G

Output 3.3V, 5.0V

or adjustable from 1.8V to 5.5V

OUT

47µF

up to 300mA output

SS6611G

Low Battery

Detection

LBI

LBO

Low-battery

Detect Out

REF

GND

0.1µF

4/21/2006 Rev.3.01

www.SiliconStandard.com

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