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LM27761DSGT - TI
Manufacturer:
TI
ManyChip's Part#:
MC3843433
Category:
Voltage Regulator
Package:
WSON-8
Datasheet:
Datasheet 3D Model
Description:
TEXAS INSTRUMENTS LM27761DSGT DC-DC Adjustable Charge Pump Voltage Converter, 2.7V to 5.5V in, -5V to -1.5V/250mA out, WSON-8
Stock Locations:
Availability:
122 pcs In Stock
MOQ:
1 pcs
Unit Price:
$ 1.23

Updated at 01/11/2025 10:30:15(UTC+8)

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Description

The LM27761DSGT is a low noise regulated switched capacitor voltage inverter in 8 pin WSON package. It delivers a very low noise adjustable output for an input voltage in the range of 2.7V to 5.5V. Four low cost capacitors are used in the application solution to provide up to 250mA of output current. The regulated output for the device is adjustable between -1.5V and -5V. It operates at 2MHz (typical) switching frequency to reduce output resistance and voltage ripple. With an operating current of only 370µA (charge-pump power efficiency greater than 80% with most loads) and 7µA typical shutdown current, the IC provides ideal performance when driving power amplifiers, DAC bias rails and other high current, low noise voltage applications. It is used in operational amplifier power, wireless communication systems, cellular phone power amplifier biasing, interface power supplies, Hi-Fi headphone amplifiers and powering data converters.
Inverts and regulates the input supply voltage
Low output ripple, current limit and thermal protection
Shutdown lowers quiescent current to 7µA (typ)
Up to 250mA output current
2.5ohm inverter output impedance, VIN = 5V
±4% regulation at peak load
370µA quiescent current
2MHz (typ) low noise fixed frequency operation
35dB (typ) LDO PSRR at 2MHz with 80mA load current
30mV LDO dropout voltage at 100mA, VOUT = -5V

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LM27761DSGT 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 Voltage	-5.00 V (min)
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 ℃
Input Voltage	2.7V ~ 5.5V
	Show
Operating Temperature	-40℃ ~ 85℃
Product Lifecycle Status	Active
Packaging	Cut Tape (CT)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance Edition	2015/06/15
ECCN Code	EAR99

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