TYPE | DESCRIPTION |
---|
Mounting Style | Surface Mount |
Number of Pins | 8 Pin |
Case/Package | VSSOP-8 |
Number of Outputs | 1 Output |
Output Voltage | 1.24V ~ 14V |
Output Current | 1 A |
Quiescent Current | 80.0 µA |
Number of Regulated Outputs | 1 Output |
Switching Frequency | 300kHz ~ 2MHz |
Topology | Boost, Flyback |
Input Voltage (Max) | 14 V |
Input Voltage (Min) | 1.2 V |
Output Voltage (Max) | 14 V |
Output Voltage (Min) | 1.24 V |
Output Current (Max) | 1 A |
Operating Temperature (Max) | 85 ℃ |
Operating Temperature (Min) | -40 ℃ |
Supply Voltage | 1.2 V |
Supply Voltage (Min) | 1.2 V |
Input Voltage | 1.2V ~ 14V |
TYPE | DESCRIPTION |
---|
Product Lifecycle Status | Active |
Packaging | Tape & Reel (TR) |
Operating Temperature | -40℃ ~ 85℃ (TA) |
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.
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