LY1152 Datasheet

LY1152 Inverting DC/DC Controller

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 th.

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. „ „ „ „ „ „ APPLICATION „ Negative Voltage Supply. „ Negative LCD Contrast Bias for - Portable Data Collection Terminals. - Notebook Computers. PIN CONFIGURATION LY1152 SOP8 (Top View) Lyo.