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LM2776

Texas Instruments
Part Number LM2776
Manufacturer Texas Instruments
Description Switched Capacitor Inverter
Published Nov 9, 2019
Detailed Description Product Folder Order Now Technical Documents Tools & Software Support & Community Reference Design LM2776 SNVSA56B...
Datasheet PDF File LM2776 PDF File

LM2776
LM2776

Overview
Product Folder Order Now Technical Documents Tools & Software Support & Community Reference Design LM2776 SNVSA56B – MAY 2015 – REVISED FEBRUARY 2017 LM2776 Switched Capacitor Inverter 1 Features •1 Input Voltage: 2.
7 V to 5.
5 V • 200-mA Output Current • Inverts Input Supply Voltage • Low-Current PFM Mode Operation • 2-MHz Switching Frequency • Greater than 90% Efficiency • Current Limit and Thermal Protection • No Inductors 2 Applications • Operational Amplifier Power Supplies • Interface Power Supplies • Data Converter Supplies • Audio Amplifier Power Supplies • Portable Electronic Devices 2.
7 V to 5.
5 V 2.
2 PF Typical Application LM2776 VIN VOUT -VIN @ up to 200mA EN C1+ 2.
2 PF GND C1- 1 PF 3 Description The LM2776 CMOS charge-pump voltage converter inverts a positive voltage in the range from 2.
7 V to 5.
5 V to the corresponding negative voltage.
The LM2776 uses three low-cost capacitors to provide 200 mA of output current without the cost, size, and electromagnetic interference (EMI) related to inductor-based converters.
With an operating current of only 100 μA and operating efficiency greater than 90% at most loads, the LM2776 provides ideal performance for batterypowered systems requiring a high power negative power supply.
The LM2776 has been placed in TI's 6-pin SOT-23 to maintain a small form factor.
Device Information(1) PART NUMBER PACKAGE BODY SIZE (NOM) LM2776 SOT-23 (6) 2.
90 mm × 1.
60 mm (1) For all available packages, see the orderable addendum at the end of the data sheet.
space space space Output Impedance (:) Output Impedance vs Input Voltage IOUT = 100 mA 5.
0 4.
5 TA = -40°C TA = 25°C 4.
0 TA = 85°C 3.
5 3.
0 2.
5 2.
0 1.
5 1.
0 0.
5 0.
0 2.
7 3.
1 3.
5 3.
9 4.
3 4.
7 5.
1 5.
5 Input Voltage (V) D005 1 An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers.
PRODUCTION DATA.
LM2776 SNVS...


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