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LM2621 Datasheet PDF

Part Series:LM2621 Series
Category:DC-DC Converters
Description:Conv DC-DC 1.2V to 14V Step Up Single-Out 1.24V to 14V 1A 8Pin VSSOP T/R
Document:LM2621MMX/NOPB Datasheet PDF (22 Pages)

LM2621 Datasheet PDF DC-DC Converters

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LM2621MM/NOPB - TI Specifications

TYPE
DESCRIPTION
Mounting Style
Surface Mount
Frequency
2 MHz
Number of Pins
8 Pin
Supply Voltage (DC)
14.0V (max)
Case/Package
VSSOP-8
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LM2621MM/NOPB - TI Function Overview

The LM2621MM/NOPB is a high-efficiency step-up DC-DC Switching Regulator for battery-powered and low input voltage systems. It accepts an input voltage between 1.2 and 14V and converts it into a regulated output voltage. The output voltage can be adjusted between 1.24 and 14V. It has an internal 0.17R N-channel MOSFET power switch. Efficiencies up to 90% are achievable using the LM2621. The high switching frequency (adjustable up to 2MHz) of the LM2621 allows for tiny surface mount inductors and capacitors. Because of the unique constant-duty-cycle gated oscillator topology very high efficiencies are realized over a wide load range. The supply current is reduced to 80µA because of the BiCMOS process technology. In the shutdown mode, the supply current is less than 2.5µA.
Up to 90% regulator efficiency
0.17R Internal MOSFET
80µA Typical operating current
<2.5µA Specified supply current in shutdown
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