MP2109
NOT RECOMMENDED FOR NEW DESIGNS
MP2109 continues to be in production for existing customers. Please consider this alternative for new designs:
MP2149
Active
MP2149
Active
6V, 1A Dual Channel, 1MHz, Low Iq, PWM Sync Buck with High Efficiency and TSOT23-8 package
Features & Benefits
- Dual 1A-Output Current
- >93% Peak Efficiency
- >80% Light-Load Efficiency
- Wide 2.7V-to-6V Operating Input Range
- 100mΩ and 40mΩ Internal Power MOSFET
- 1MHz Fixed Switching Frequency
- Adjustable Output from 0.608V to VIN
- 180° Phase-Shifted Operation
- 100% Duty-Cycle Operation
- 45µA Quiescent Current
- Cycle-by-Cycle Over-Current Protection
- Short-Circuit Protection with Hiccup Mode
- Thermal Shutdown
- Available in an 8-pin TSOT23-8 Package
… and many more!
Active Part Numbers:
MP2109DQ-LF-P MP2109DQ-LF-Z MP2109DQ MP2109DQ-LF
Meaning of P & Z 
Recommended Inductors
Part Number
L (µH)
RDC (typ) (mΩ)
IR (40K) (A)
Isat (30%) (A)
MPL-SE2512-2R2
Semi-Shielded Inductor 2.2µH
2.2
72
2.5
2.7
L (µH)
RDC (typ) (mΩ)
IR (40K) (A)
Isat (30%) (A)
2.2
72
2.5
2.7
MPL-AT2010-2R2
Low-Profile Molded Inductor 2.2µH
2.2
125
2
2.6
L (µH)
RDC (typ) (mΩ)
IR (40K) (A)
Isat (30%) (A)
2.2
125
2
2.6
MPL-AT2514-2R2
Low-Profile Molded Inductor 2.2µH
2.2
70
2.6
3.4
L (µH)
RDC (typ) (mΩ)
IR (40K) (A)
Isat (30%) (A)
2.2
70
2.6
3.4
Show more
*Based on Nominal Values
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