Monolithic Power Systems (MPS) MP2122GJ-Z SOT23-8 MPS 2A 0.6V DC-DC MP2122
MP2122GJ-Z MARK:AEDF SOT23-8 Switching Voltage Regulators 100% New&Original
Switching Voltage Regulators 6V,2A,Low Q Dual SYNC Buck Regulator
DESCRIPTION
The MP2122 is an internally-compensated,1MHz fixed-frequency, dual PWM, synchronous,
step-down regulator.
The MP2122 operates from a 2.7V-to-6V input, generates an output voltage as low as 0.608V, and has a 45μA quiescent current that makes it ideal for powering portable equipment that runs on a single cell lithium-ion (Li+) battery.
The MP2122 integrates dual 80m Ω high-side switches and 35m Ω 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.
Fault-condition protections include cycle-by-cycle current limiting and thermal shutdown.
The MP2122 is available in an 8-pin TSOT23-8 package.
OPERATION
MP2122 is a fully-integrated, dual-channel, synchronous, step-down converter.
Both channels have peak-current modes with internal compensation for faster transient responses
and cycle-by-cycle current limits.
MP2122 is optimized for low-voltage, portable applications where efficiency and small size are
critical.
180° Phase-Shift
By default, the MP2122’s two channels operate at a 180° phase-shift to reduce input current
ripple:
The smaller current ripple allows for a smaller input bypass capacitor. In CCM, two internal clocks control the switching:
The high-side MOSFET turns on at the corresponding CLK’s rising edge.
Data sheet
| Description | Monolithic Power Systems (MPS) MP2122GJ-Z |
| Category | Switching Voltage Regulators |
| Mounting Style | SMD/SMT |
| Package / Case | TSOT-23-8 |
| Topology | Buck |
| Output Voltage | 608 mV |
| Output Current | 2 A |
| Number of Outputs | 1 Output |
| Input Voltage MAX | 6 V |
| Input Voltage MIN | 2.7 V |
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