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LY1152 - Inverting DC/DC Controller

Description

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.

Features

  • 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%).
  • Lead free and green package available. (RoHS Compliant).
  • Space Saving Package： - 8-pin SOP package.
  • APPLIC.

📥 Download Datasheet

Datasheet Details

Part number LY1152
Manufacturer Lyontek
File Size 249.80 KB
Description Inverting DC/DC Controller
Datasheet download datasheet LY1152 Datasheet

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    Full PDF Text Transcription

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    ® LY1152 Rev. 1.2 Inverting DC/DC Controller (SOP) GENERAL DESCRIPTION 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. The LY1152 switching frequency can be around 60KHz to 160KHz range, and small size package is ideally suited for powered portable equipments. FEATURES 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.
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