Datasheet > LY1152SL

LY1152SL

更新时间： 2024-11-10 12:36:55

品牌	Logo	应用领域
台湾来扬 - LYONTEK		控制器
页数	文件大小	规格书
5页	234K
描述
Inverting DC/DC Controller (SOP)

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数据手册

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LY1152SL 数据手册

LY1152

Rev. 1.2

Inverting DC/DC Controller (SOP)

FEATURES

GENERAL DESCRIPTION

2.4V ~ 7.0V Power supply.

Low shutdown current at 0.1uA (Typical).

Low quiescent current at 90.0uA (Typical).

Adjustable Output Voltage to -40V.

60KHz ~ 160KHz Switching Frequency.

High Efficiency with Low Cost External PNP

Bipolar Transistor.

Pulse Frequency Modulation Maintains High

Efficiency (80%).

The LY1152 is a high performance inverting DC/DC

controller, and the LY1152 designed to drive an

external power switch to generate adjustable

negative voltages. Output voltage can be scaled to

-40V.

The LY1152 quiescent current is about 90.0uA and

shutdown mode current can be reduced to 0.1uA.

In the LCD bias contrast application, efficiency of

80% can be achieved with low cost PNP bipolar

transistor drivers.

Lead free and green package available.

(RoHS Compliant)

Space Saving Package：

The LY1152 switching frequency can be around

60KHz to 160KHz range, and small size package is

ideally suited for powered portable equipments.

- 8-pin SOP package.

APPLICATION

Negative Voltage Supply.

Negative LCD Contrast Bias for

- Portable Data Collection Terminals.

- Notebook Computers.

PIN CONFIGURATION

LY1152 SOP8 (Top View)

Lyontek Inc. ^{reserves the rights to change the specifications and products without notice.}

5F, No. 2, lndustry E . Rd. IX, Science-Based Industrial Park, Hsinchu 300, Taiwan

TEL: 886-3-6668838

FAX: 886-3-6668836

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