LM2766 Texas instruments

LM2766

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LM2766

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Описание

The LM2766 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 up to 20 mA of output current. The LM2766 operates at 200-kHz switching frequency to reduce output resistance and voltage ripple. With an operating current of only 350 µA (operating efficiency greater than 90% with most loads) and 0.1-µA typical shutdown current, the LM2766 provides ideal performance for battery-powered systems. The device is manufactured in a SOT-23 6-pin package. For all available packages, see the orderable addendum at the end of the data sheet.

Doubles Input Supply Voltage
SOT-23 6-Pin Package
20-Ω Typical Output Impedance
90% Typical Conversion Efficiency at 20 mA
0.1-µA Typical Shutdown Current

Vin (min) (V)	1.8
Vin (max) (V)	5.5
Vout (min) (V)	3.6
Vout (max) (V)	11
Iout (max) (A)	0.02
Regulated outputs (#)	1
Switching frequency (min) (kHz)	110
Switching frequency (max) (kHz)	350
Iq (typ) (mA)	0.35
Features	Enable
Operating temperature range (°C)	-40 to 85
Rating	Catalog
Type	Charge pump