LM2767 Texas instruments

LM2767

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LM2767

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Описание

The LM2767 CMOS charge-pump voltage converter operates as a voltage doubler for an input voltage in the range of 1.8 V to 5.5 V. Two low-cost capacitors and a diode are used in this circuit to provide at least 15 mA of output current.The LM2767 operates at 11-kHz switching frequency to avoid audio voice-band interference. With an operating current of only 40 µA (operating efficiency greater than 90% with most loads), the LM2767 provides ideal performance for battery-powered systems. The device is manufactured in a 5-pin SOT-23 package.

Doubles input supply voltage
SOT-23 5-pin package
20-Ω typical output impedance
96% typical conversion efficiency at 15 mA

Vin (min) (V)	1.8
Vin (max) (V)	5.5
Vout (min) (V)	3.6
Vout (max) (V)	11
Iout (max) (A)	0.015
Regulated outputs (#)	1
Switching frequency (min) (kHz)	4
Switching frequency (max) (kHz)	25
Iq (typ) (mA)	0.04
Operating temperature range (°C)	-40 to 85
Rating	Catalog
Type	Charge pump