HomedatasheetLM2662M

LM2662M Datasheet

PMIC - Voltage Regulators - DC DC Switching Regulators
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Description

The LM2662M /LM2663 CMOS charge-pump voltage converterinverts a positive voltage in the range of 1.5V to 5.5Vto the corresponding negative voltage. The LM2662M/LM2663uses two low cost capacitors to provide 200 mA of outputcurrent without the cost, size, and EMI related to inductorbased converters. With an operating current of only 300 μAand operating efficiency greater than 90% at most loads, theLM2662M/LM2663 provides ideal performance for batterypowered systems. The LM2662M/LM2663 may also be usedas a positive voltage doubler.The oscillator frequency can be lowered by adding an externalcapacitor to the OSC pin. Also, the OSC pin may be usedto drive the LM2662M/LM2663 with an external clock. ForLM2662, a frequency control (FC) pin selects the oscillatorfrequency of 20 kHz or 150 kHz. For LM2663, an externalshutdown (SD) pin replaces the FC pin. The SD pin can beused to disable the device and reduce the quiescent currentto 10 μA. The oscillator frequency for LM2663 is 150 kHz. LM2662M Features • Inverts or doubles input supply voltage• Narrow SO-8 Package• 3.5W typical output resistance• 86% typical conversion efficiency at 200 mA• (LM2662) selectable oscillatorfrequency: 20 kHz/150 kHz• (LM2663) low current shutdown mode LM2662M Applications • Laptop computers• Cellular phones• Medical instruments• Operational amplifier power supplies• Interface power supplies• Handheld instruments
Features

Parameters

[{"Name":"Number of Outputs","Value":"1"},{"Name":"Voltage - Input","Value":"1.5 V ~ 5.5 V"},{"Name":"Frequency - Switching","Value":"75kHz"},{"Name":"Current - Output","Value":"200mA"},{"Name":"Operating Temperature","Value":"-40°C ~ 85°C"},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""},{"Name":"","Value":""}]

Manufacturer information

HTC [HTC KOREA TAEJIN TECHNOLOGY CO.]
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