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LM2760

Features: `3.3V ± 4% Regulated Output`Ultralow Power: 10A Typical Supply Current`Boost and Pass Modes for Improved Efficiency`Input Voltage Range: 2.0V to 4.4V`Output Current up to 20mA (VIN 2.5V)`Output Current up to 10mA (VIN 2.0V)`Inductorless solution`Small external parts count: 3 ceramic ca...

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SeekIC No. : 004395047 Detail

LM2760: Features: `3.3V ± 4% Regulated Output`Ultralow Power: 10A Typical Supply Current`Boost and Pass Modes for Improved Efficiency`Input Voltage Range: 2.0V to 4.4V`Output Current up to 20mA (VIN 2.5V)`...

LM2760 Data Sheet

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Part Number:
LM2760
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

`3.3V ± 4% Regulated Output
`Ultralow Power: 10A Typical Supply Current
`Boost and Pass Modes for Improved Efficiency
`Input Voltage Range: 2.0V to 4.4V
`Output Current up to 20mA (VIN 2.5V)
`Output Current up to 10mA (VIN 2.0V)
`Inductorless solution
`Small external parts count: 3 ceramic capacitors
`750kHz Switching Frequency
`SOT23-5 Package
n Short-Circuit and Thermal Protection


Application

·Battery-Operated Devices
·Cellular Phone
·Standby Power Supply
·Memory Keep-alive Power


Pinout

Connection Diagram


Specifications

If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
VIN Pin: Voltage to GND.............................. −0.3V to 6V
Junction Temperature (TJ-MAX-ABS) .....................150
Continuous Power Dissipation ...........Internally Limited
(Note 3)
VOUT Short-Circuit to GND Duration................ Unlimited
(Note 4)
Storage Temperature Range ..................-65 to 150
Lead Temperature ...............................................260
(Soldering, 5 sec.)
ESD Rating (Note 5)
Human-body model:...............................................2 kV
Machine model.....................................................200 V




Description

The LM2760 is a switched-capacitor DC/DC converter that generates a regulated 3.3V output capable of driving a load up to 20mA (VIN 2.5V). The wide input voltage range (2.0V-4.4V) allows this device to be powered from several types of batteries, including single cell lithium-ion, two-cell alkaline, nickel-metal-hydride, and nickel-cadmium. The LM2760 solution does not require an inductor and needs only three small external ceramic capacitors. The miniscule quiescent current of the part, typically 10A unloaded, makes the LM2760 ideal for low-current standby power rails.

The LM2760 is a switched-capacitor circuit that is controlled by a gated oscillator. Both a low-input-voltage boost mode and high-input-voltage pass mode are implemented to optimize efficiency over the full input voltage range.

Additional features of the LM2760 include thermal protection and current limiting. The LM2760 is available in a small, five-pin SOT-23 package.




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