Datasheet > SS6631-3GSTB

SS6631-3GSTB

更新时间： 2024-11-22 07:50:47

品牌	Logo	应用领域
SSC		/
页数	文件大小	规格书
13页	464K
描述
Switching Regulator/Controller

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中文翻译

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数据手册

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SS6631-3GSTB 数据手册

SS6631

500mA, Step-Up DC/DC Converter

DESCRIPTION

ꢀ

FEATURES

ꢀ

High Efficiency 90%.

ꢁ

The SS6631 is a high efficiency step up DC-

Adjustable Output Voltage with Two Resistors

ꢁ

DC converter. Only four external components

are required to deliver a fixed voltage of 3V,

3.3V, or 5V. The output voltage can be exter-

nally set to an arbitrary value below breakdown

voltage of the power switch for SS6631A. Effi-

ciency beyond 87% can be easily achieved at

100mA load with 2.2V to 3V input voltages.

(SS6631A)

Power-Saving Shutdown Mode (7µA typical).

Internal 2A Switch.

120KHz Switching Rate.

Adjustable Switch Current Limit.

On-Chip Low Battery Detector.

ꢁ

Logic-controlled shutdown mode is provided for

power saving. Switch current limit can be pro-

grammed with a resistor. The low battery detec-

tor can be configured as a linear regulator or a

burst mode controller performing an extremely

low supply current operation.

APPLICATIONS

ꢀ

Palmtop & Notebook Computers.

ꢁ

Pocket Organizers.

Cameras.

ꢁ

Pagers.

Battery Backup Supplies.

Portable Instruments.

120KHz switching rate reduces the inductor

size. Inductors of 25µH to 50µH inductance are

recommended for most applications.

Pb-free; RoHS-compliant

TYPICAL APPLICATION CIRCUIT

ꢀ

100Ω

NORMAL

R_ILIM

+V_IN

47µH

ILIM/SD

VIN

VOUT

LBI

100µF

GS SS12

43.5K

LBO

+V_OUT

(3.3V)

LOAD

100µF

GND

SS6631A

10K

100Ω

NORMAL

R_ILIM

+V_IN

ILIM/SD

VIN

VOUT

LBI

100µF

47µH

GS SS12

+V_OUT

(3.3V)

LBO

LOAD

100µF

SGND

CGND

Note: V_IN≥1.8V, V_OUT≤7V

SS6631

High Efficiency Step-Up DC/DC Converter

01/17/2008 Rev.1.00

www.SiliconStandard.com

12 3 4 5 6 7...13

中文翻译

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