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MP2322

MPS
Part Number MP2322
Manufacturer MPS
Description Step-Down Converter
Published Jan 25, 2021
Detailed Description MP2322 1A, 3-22V, 5μA IQ, Synchronous, Step-Down Converter in 1.5x2mm QFN DESCRIPTION The MP2322 is a synchronous, rect...
Datasheet PDF File MP2322 PDF File

MP2322
MP2322


Overview
MP2322 1A, 3-22V, 5μA IQ, Synchronous, Step-Down Converter in 1.
5x2mm QFN DESCRIPTION The MP2322 is a synchronous, rectified, stepdown, switch-mode converter with built-in internal power MOSFETs and high light-load efficiency.
The MP2322 offers a very compact solution that achieves 1A of continuous output current with excellent load and line regulation over a wide input supply range.
The MP2322 switching edge is optimized for EMI reduction.
Constant-on-time (COT) control provides seamless mode transition and a fast load transient response.
Full protection features include over-current protection (OCP), over-voltage protection (OVP), and thermal shutdown.
The MP2322 requires a minimal number of readily available, standard, external components and is available in a space-saving QFN-8 (1.
5mmx2mm) package.
FEATURES  Wide 3V to 22V Operating Input Range  5µA Low IQ  1A Load Current  260mΩ/120mΩ RDS(ON) Internal Power MOSFETs  High Efficiency from 100µA to 1A Load during VIN from 4V to 22V  Power-Save Mode (PSM) in Light-Load Condition  1.
25MHz Fixed Switching Frequency during CCM  TON Extension to Support Large Duty Cycles  Power Good (PG) Indication  EN Shutdown Output Discharge  OCP and OVP and Hiccup  Output Adjustable from 0.
6V  Available in a QFN-8 (1.
5mmx2mm) Package APPLICATIONS  IOT  Home Automation, Home Security  Single- or Multi-Cell Li-Ion Battery Systems  Multi-Cell Dry Battery Systems  12V Input Power Rails  White Goods All MPS parts are lead-free, halogen-free, and adhere to the RoHS directive.
For MPS green status, please visit the MPS website under Quality Assurance.
“MPS”, the MPS logo, and “Simple, Easy Solutions” are trademarks of Monolithic Power Systems, Inc.
or its subsidiaries.
TYPICAL APPLICATION 3-22V VIN C1 22µF 3.
3V R3 100kΩ C4 1µF IN BST EN SW MP2322 PG FB VCC GND C3 0.
1µF L1 3.
3µH VOUT 3.
3 V/1 A R1 976kΩ R2 220kΩ C2 22µF Efficiency(%) Efficiency vs.
Output Current VIN = 12V, VOUT = 3.
3V, L = 3.
3µH, DCR =...


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