TYPE | DESCRIPTION |
---|
Mounting Style | Surface Mount |
Number of Pins | 20 Pin |
Case/Package | TSSOP-20 |
Number of Outputs | 1 Output |
Output Voltage | 0.8V ~ 32V |
Output Current | 2 A |
Number of Positions | 20 Position |
Quiescent Current | 2.00 mA |
Number of Regulated Outputs | 1 Output |
Switching Frequency | 100kHz ~ 1MHz |
Topology | Buck |
Input Voltage (Max) | 36 V |
Input Voltage (Min) | 4.5 V |
Output Voltage (Max) | 32.4 V |
Output Voltage (Min) | 0.8 V |
Output Current (Max) | 2 A |
Operating Temperature (Max) | 125 ℃ |
Operating Temperature (Min) | 40 ℃ |
TYPE | DESCRIPTION |
---|
Product Lifecycle Status | Active |
Packaging | Tape & Reel (TR) |
Operating Temperature | -40℃ ~ 125℃ (TJ) |
The LM20242 is a full featured 1MHz capable synchronous buck regulator capable of delivering up to 2A of load current. The current mode control loop is externally compensated with only two external components, offering both high performance and ease of use. The device is optimized to work over the input voltage range of 4.5V to 36V making it well suited for high voltage systems.
●The device features internal Over Voltage Protection (OVP) and Over Current Protection (OCP) circuits for increased system reliability. A precision Enable pin and integrated UVLO allows the turn on of the device to be tightly controlled and sequenced. Startup inrush currents are limited by both an internally fixed and externally adjustable soft-start circuit. Fault detection and supply sequencing are possible with the integrated PGOOD circuit.
●The LM20242 is designed to work well in multi-rail power supply architectures. The output voltage of the device can be configured to track a higher voltage rail using the SS/TRK pin. If the output of the LM20242 is pre-biased at startup it will not sink current to pull the output low until the internal soft-start ramp exceeds the voltage at the feedback pin.
●The LM20242 is offered in an exposed pad 20 pin HTSSOP package that can be soldered to the PCB, eliminating the need for bulky heatsinks.
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