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Updated at 17/06/2025 10:30:15(UTC+8)

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Description

The LM27761 low-noise regulated switched-capacitor voltage inverter delivers a very low-noise adjustable output for an input voltage in the range of 2.7 V to 5.5 V. Four low-cost capacitors are used in the application solution to provide up to 250 mA of output current. The regulated output for the device is adjustable between −1.5 V and −5 V. The LM27761 operates at 2-MHz (typical) switching frequency to reduce output resistance and voltage ripple. With an operating current of only 370 µA (charge-pump power efficiency greater than 80% with most loads) and 7-µA typical shutdown current, the LM27761 provides ideal performance when driving power amplifiers, DAC bias rails, and other high-current, low-noise voltage applications.

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LM27761DSGR Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	WSON-8
Number of Outputs	1 Output
Output Current	250 mA
Supply Current	0.37 mA
Number of Positions	8 Position
Quiescent Current	370 µA
Number of Regulated Outputs	1 Output
Switching Frequency	2 MHz
Input Voltage (Max)	5.5 V
Input Voltage (Min)	2.7 V
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
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Operating Temperature	-40℃ ~ 85℃ (TA)
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance Edition	2018/06/27
ECCN Code	EAR99

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