All trademarks are the property of their respective owners.
DescriptionThe LMR24220TL/NOPB synchronously rectified buck converter features all required functions toimplement a highly efficient and cost effective buck regulator. It is capable of supplying 2-A toloads with an output voltage as low as 0.8 V. Dual N-channel synchronous MOSFET switches allow alow component count, thus reducing complexity and minimizing board size.
Different from most other COT regulators, the LMR24220TL/NOPB does not rely on output capacitorESR for stability. The device is designed to work exceptionally well with ceramic and other verylow ESR output capacitors. It requires no loop compensation, results in a fast load-transientresponse and simple circuit implementation. The operating frequency remains nearly constant withline variations due to the inverse relationship between the input voltage and the on-time. Theoperating frequency can be externally programmed up to 1 MHz. Protection features includeVCC undervoltage lockout, output overvoltage protection, thermal shutdown,and gate drive undervoltage lockout. The LMR24220TL/NOPB is available in the small DSBGA low profilechip-scale package.
Feature
- Input Voltage Range of 4.5 V to 42 V
- Output Voltage Range of 0.8 V to 24 V
- Output Current up to 2 A
- Integrated Low RDS(ON) Synchronous MOSFETs for HighEfficiency
- Up to 1-MHz Switching Frequency
- Low Shutdown IQ, 25 μA Typical
- Programmable Soft Start
- No Loop Compensation Required
- COT Architecture with ERM
- Tiny Overall Solution Reduces System Cost
- Integrated Synchronous MOSFETs Provides High Efficiency at Low OutputVoltages
- COT with ERM Architecture
- Stable with Low ESR Capacitors
- 28-Bump DSBGA (3.676 × 2.48 ×0.60 mm maximum) Packaging
- Create a custom design using the LMR24220 with theWEBENCH? Power Designer
All trademarks are the property of their respective owners.
DescriptionThe LMR24220 synchronously rectified buck converter features all required functions toimplement a highly efficient and cost effective buck regulator. It is capable of supplying 2-A toloads with an output voltage as low as 0.8 V. Dual N-channel synchronous MOSFET switches allow alow component count, thus reducing complexity and minimizing board size.
Different from most other COT regulators, the LMR24220 does not rely on output capacitorESR for stability. The device is designed to work exceptionally well with ceramic and other verylow ESR output capacitors. It requires no loop compensation, results in a fast load-transientresponse and simple circuit implementation. The operating frequency remains nearly constant withline variations due to the inverse relationship between the input voltage and the on-time. Theoperating frequency can be externally programmed up to 1 MHz. Protection features includeVCC undervoltage lockout, output overvoltage protection, thermal shutdown,and gate drive undervoltage lockout. The LMR24220 is available in the small DSBGA low profilechip-scale package.
