- MP2122A
MP2122A
Session textval
Session Titefor popup
Description
The MP2122A is an internally compensated, 1MHz, fixed-frequency, dual, PWM, synchronous, step-down regulator with advanced light-load mode. The MP2122A operates from a 2.7V to 6V input, generates an output voltage as low as 0.608V, and has a 45µA quiescent current, making it ideal for powering portable equipment that run on a single-cell lithium-ion (Li+) battery.
The MP2122A integrates dual, 80mΩ, high-side switches and 35mΩ, synchronous rectifiers for high efficiency without an external Schottky diode. Peak-current mode control and internal compensation limits the minimum number of readily available external components.
Full protection features include cycle-by-cycle current limiting and thermal shutdown.
The MP2122A is available in an 8-pin TSOT23 package.
-
Show more
Show less
Features & Benefits
- Dual 2A Output Current
- >93% Peak Efficiency
- >80%Light-Load Efficiency
- Advanced Light-Load Mode
- Wide 2.7V to 6V Operating Input Range
- 80mΩ and 35mΩ 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 (OCP)
- Short-Circuit Protection (SCP) with Hiccup Mode
- Thermal Shutdown
- Available in a TSOT23-8 Package

Active Part Numbers:
MP2122AGJ-P MP2122AGJ-Z
Part numbers ending in P and Z are the same parts. P and Z only indicates reel size.
Meaning of P & Z
MP2122A Resources
-
PRODUCT CATEGORY
VIN (MAX) <= 7VPRODUCT CATEGORY -
PRODUCT
MP1609PRODUCT5.5V, 8A, Synchronous Step-Down Converter with 4.5μA IQ in QFN-7 Package
-
PRODUCT
MP2183PRODUCT3A, Synchronous Step-Down Converter with SS & PG
-
PRODUCT
MP2182PRODUCT2A Synchronous Step-Down Converter with SS & PG
-
PRODUCT
MP2147PRODUCT5.5V, 4A, 1.2MHz High-Efficiency, 40uA Iq COT Step-Down Switcher with PG and mode selection
-
PRODUCT
MP2145PRODUCT5.5V, 6A, 1.2MHz, High-Efficiency, 40μA IQConstant On-Time Synchronous, Step-Down Switcher
-
PRODUCT
MP28200PRODUCT200mA, 5.5V, 500nA, Ultra-Low Iq, Synchronous, Step-Down Converter
-
PRODUCT
MP2161APRODUCTHigh-Efficiency, 2A, 6V, 1.5MHz, 17µA IQ, COT Synchronous Step Down Converter with Improved VFB Accuracy and Load Regulation in a TSOT23-8 Package
-
PRODUCT
MP2131PRODUCT4A, 5.5V, 1.2MHz, High Efficiency, COT Synchronous Step-Down Converter with PG and Auto Discharge
-
PRODUCT
MP1604CPRODUCT5.5V, 4A, Synchronous Step-Down Converter with FCCM in SOT583 Package
-
PRODUCT
MP2193PRODUCT3A, 2.5V to 5.5V, Synchronous Step-Down Converter with 25μA IQ in a WLCSP Package
-
PRODUCT
MP1604PRODUCT5.5V, 4A, Synchronous Step-Down Converter with Low 4.5μA IQ in SOT583 Package
-
PRODUCT
MP2167APRODUCT6V, 6A, Configurable-Frequency, Synchronous Buck Converter
-
PRODUCT
MP2192CPRODUCT2A, Synchronous Step-Down Converter with Forced PWM Mode
-
PRODUCT
MP2183CPRODUCT2.5V to 5.5V, 3A, Synchronous Step-Down Converter with SS, PG, and Forced PWM in SOT583 Package
-
PRODUCT
MP1608PRODUCT5.5V, 6A, Synchronous Step-Down Converter with Low 4.5μA IQ in an SOT583 Package
-
PRODUCT
MP2152DPRODUCT2.5V to 5.5V, 2A, Synchronous Step-Down Converter with Fast Output Discharge
-
PRODUCT
MP2182CPRODUCT2.5V to 5.5V, 2A, Synchronous, Step-Down Converter with SS, PG, and Forced PWM in an SOT583 Package
-
PRODUCT
MP2181CPRODUCT2.5V to 5.5V, 1A, Synchronous, Step-Down Converter with SS, PG, and Forced PWM in an SOT583 Package
-
PRODUCT
MP2153DPRODUCT2.5V to 5.5V, 3A, Synchronous, Step-Down Converter with Fast Output Discharge
-
PRODUCT
MP1608CPRODUCT5.5V, 6A, Synchronous Step-Down Converter with FCCM in an SOT583 Package
-
PRODUCT
MP2192PRODUCT2A, 2.5V to 5.5V Synchronous Step-Down Converter with 25μA IQ in CSP Package
-
PRODUCT
MP9148PRODUCT6V, 1A Dual Channel, 1MHz, Low Iq, Sync Buck with High Efficiency and TSOT23-8 package
-
PRODUCT
MP28310PRODUCT300mA, 2V to 5.5V, 500nA IQ, Step-Down Converter with 300nA IQ, 2V to 5.5V, 100mA LDO Regulator in CSP-12 (1.2mmx1.6mm)
-
PRODUCT
MP2161PRODUCTHigh Efficiency, 2A, 6V, 1.5MHz, 17uA Iq, COT Synchronous Step Down Converter with PG in TSOT23-8
Log in to your account
Create New Account