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Details for LM2621MM by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
DC/DC UP CONVERTER ADJ SMD 2621
LM2621MM image

LM2621MM by Texas Instruments

DC/DC UP CONVERTER ADJ SMD 2621
Features
0.17-u03a9 Internal MOSFET
1.09-mm Package Height
1.2-V to 14-V Input Voltage
1.24-V to 14-V Adjustable Output Voltage
80-u00b5A Typical Operating Current
< 2.5-u00b5A Specified Supply Current In Shutdown
Small VSSOP8 Package (Half the Footprint of Standard 8-Pin SOIC Package)
Up to 1A Load Current
Up to 2-MHz Switching Frequency
Up to 90% Regulator Efficiency
Part Information
LM2621MM image
RoHS Compliant
Description
The LM2621 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 V and 14 V and converts it into a regulated output voltage. The output voltage can be adjusted between 1.24 V and 14 V. It has an internal 0.17-Ω N-Channel MOSFET power switch. Efficiencies up to 90% are achievable using the LM2621. The high switching frequency (adjustable up to 2 MHz) 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 80 µA because of the BiCMOS process technology. In the shutdown mode, the supply current is less than 2.5 µA. The LM2621 is available in a VSSOP-8 package. This package uses half the board area of a standard 8-pin SOIC and has a height of just 1.09 mm.
Specifications
Topology:
Boost (Step Up)
Input Voltage Min:
1.2V
Input Voltage Max:
14V
No. of Outputs:
1Outputs
DC / DC Converter IC Case:
VSSOP
No. of Pins:
8Pins
Output Current:
1A
Output Voltage Min:
1.24V
Output Voltage Max:
14V
Switching Frequency:
2MHz
Operating Temperature Max:
85°C
Product Range:
-
Automotive Qualification Standard:
-
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)
Adjustable Output Voltage Min:
1.24V
Base Number:
2621
Frequency:
2MHz
IC Generic Number:
2621
Logic Function Number:
2621
Operating Temperature Min:
-40°C
Operating Temperature Range:
-40°C to +85°C
Output Voltage:
14V
Power Supply IC Type:
DC / DC Converter
Primary Input Voltage:
14V
Supply Voltage Min:
1.2V
Switch Output Current Isw Max:
2.85A
Voltage Regulator Type:
Adjustable