Step-down (Buck)

Going the Extra Mile

Rigourous testing to ensure confident usage in challenging environments

Well Balanced

Save space and minimize output capacitance, while keeping high efficiency and fast transient

Easy to Use

Unique features simplify system design and minimize PCB layout effort

Show Columns Status	MPS Inventory	Vin (max) (V)	Vin (min) (V)	Iout (max) (A)	fsw (max) (kHz)	Iq (typ) (mA)	Vfb (V)	PG	SS	Max Duty Cycle (%)	Special Features	Package (mm)	Grade	MPSafe	MPL	Product URL
RESET TABLE Vin (max) (V) Vin (min) (V) Iout (max) (A) fsw (max) (kHz) Iq (typ) (mA) Vfb (V) PG SS Max Duty Cycle (%) Special Features Package (mm) Grade	MPS	35 35	35 35	35 35	35 35	35 35	34 34	No Yes	External Internal	0.9 90 92	Configurable Current Limit Configurable Frequency Configurable Output Voltage Configurable Soft-Start Time Current Limiting Differential Output Voltage Remote Sense Digital Interface External Frequency Sync Light-Load Efficiency OVP with Hiccup Mode Output Discharge Output Remote Sense Over-Current Protection (OCP) Over-Voltage Protection (OVP) PMBus Interface Phase Interleaving Precision Reference Voltage Scalable Multi-Phase Operation Soft Stop Synchronous or Non-Synchronous Operation Thermal Shutdown Under-Voltage Protection (UVP) Voltage Tracking	QFN-11 (2x2) QFN-13 (3x4) QFN-14 (2x3) QFN-14 (3x4) QFN-14L (3x3) QFN-16 (3x3) QFN-16 (3x4) QFN-20 (3x4) QFN-21 (3x4) QFN-25 (5x4) QFN-29 (5x4) QFN-36 (6x6) TLGA-37 (5x6) TQFN-25 (4x5)	Catalog Industrial	Is MPSafe	Has MPL	Product URL

MPQ8645 PRE-RELEASE 16V, 30A, Scalable, Synchronous Step-Down Converter		16	4	30	920	2.5	0.6	Yes	Internal	90	Configurable Output Voltage, Output Remote Sense	TQFN-25 (4x5)	Industrial	1	0	https://www.monolithicpower.com/en/products/power-management/data-center/mpq8645.html
MP4588 PRE-RELEASE 100V, 0.8A, High-Efficiency, Synchronous, Step-Down Converter with Integrated Power MOSFETs		100	8	0.8	380	0.015	1.025	No	External		Configurable Soft-Start Time	QFN-14L (3x3)	Catalog	1	0	https://www.monolithicpower.com/en/products/power-management/data-center/mp4588.html
MPQ8785 NEW 16V, 40A, Scalable, Digital, Synchronous Step-Down Converter with PMBus	Buy On MPS	16	3.1	40	800	18	0.6/1.25	Yes	Internal	90	Configurable Output Voltage, Over-Current Protection (OCP), OVP with Hiccup Mode, Scalable Multi-Phase Operation, Under-Voltage Protection (UVP)	TLGA-37 (5x6)	Industrial	1	0	https://www.monolithicpower.com/en/products/power-management/data-center/mpq8785.html
MPQ8632H-10 ACTIVE 10A, 2.5V-18V, DCM, Non-Latch OVP, COT Synchronous Step-Down Converter		18	2.5	10	1000	0.86	0.611	Yes	External	90	Configurable Frequency	QFN-13 (3x4), QFN-16 (3x4)	Industrial	1	0	https://www.monolithicpower.com/en/products/power-management/data-center/mpq8632h-10.html
MPQ8636H-20 ACTIVE 20A, 4.5-18V, CCM, Hiccup OVP, COT Synchronous Step-down Converter		18	4.5	20	1000	1	0.611	Yes	External	90	Configurable Frequency	QFN-25 (5x4)	Industrial	1	0	https://www.monolithicpower.com/en/products/power-management/data-center/mpq8636h-20.html
MPQ8655 ACTIVE 16V, 30A, Scalable, Digital, Synchronous Step-Down Converter with Digital Interface		16	4	30	1000	2.5	0.6	Yes	Internal	90	Configurable Frequency, Configurable Output Voltage, Current Limiting, Digital Interface, Output Remote Sense, Scalable Multi-Phase Operation	TQFN-25 (4x5)	Industrial	1	0	https://www.monolithicpower.com/en/products/power-management/data-center/mpq8655.html
MPQ28261 ACTIVE 21V, 3A, 500kHz Synchronous Step-down Converter	Buy On MPS	21	4.5	3	500	0.7	0.603	Yes	External	92	Synchronous or Non-Synchronous Operation	QFN-14 (3x4)	Industrial	1	0	https://www.monolithicpower.com/en/mpq28261.html
MPQ8612-12 ACTIVE 12A, 6V, DCM, Non-latch OVP and OCP, COT Synchronous Step-down Converter	Buy On MPS	6	3	12	1000	1.1	0.608				Configurable Frequency, Soft Stop	QFN-14 (3x4)	Industrial	1	0	https://www.monolithicpower.com/en/mpq8612-12.html
MPQ8632-4 ACTIVE 4A, 2.5V-18V, DCM, Non-Latch OVP, COT Synchronous Step-Down Converter	Buy On MPS	18	2.5	4	1000	0.86	0.611	Yes	External	90	Configurable Frequency	QFN-13 (3x4), QFN-16 (3x4)	Industrial	1	0	https://www.monolithicpower.com/en/mpq8632-4.html
MPQ8632-6 ACTIVE 6A, 2.5V-18V, DCM, Non-Latch OVP, COT Synchronous Step-Down Converter	Buy On MPS	18	2.5	6	1000	0.86	0.611	Yes	External	90	Configurable Frequency	QFN-13 (3x4), QFN-16 (3x4)	Industrial	1	0	https://www.monolithicpower.com/en/mpq8632-6.html
MPQ8632-8 ACTIVE 8A, 2.5V-18V, DCM, Non-Latch OVP, COT Synchronous Step-Down Converter	Buy On MPS	18	2.5	8	1000	0.86	0.611	Yes	External	90	Configurable Frequency	QFN-13 (3x4), QFN-16 (3x4)	Industrial	1	0	https://www.monolithicpower.com/en/mpq8632-8.html
MPQ8632-10 ACTIVE 10A, 2.5-18V, DCM, Latch-off OVP, COT Synchronous Step-down Converter	Buy On MPS	18	2.5	10	1000	0.86	0.611	Yes	External	90	Configurable Frequency	QFN-13 (3x4), QFN-16 (3x4)	Industrial	1	0	https://www.monolithicpower.com/en/mpq8632-10.html
MPQ8632-12 ACTIVE 12A, 2.5V-18V, DCM, Non-Latch OVP, COT Synchronous Step-Down Converter	Buy On MPS	18	2.5	12	1000	0.86	0.611	Yes	External	90	Configurable Frequency	QFN-13 (3x4), QFN-16 (3x4)	Industrial	1	0	https://www.monolithicpower.com/en/mpq8632-12.html
MPQ8632-15 ACTIVE 15A, 2.5V-18V, DCM, Non-Latch OVP, COT Synchronous Step-Down Converter	Buy On MPS	18	2.5	15	1000	0.86	0.611	Yes	External	90	Configurable Frequency	QFN-25 (5x4), QFN-29 (5x4)	Industrial	1	0	https://www.monolithicpower.com/en/mpq8632-15.html
MPQ8632-20 ACTIVE 20A, 2.5V-18V, DCM, Non-Latch OVP, COT Synchronous Step-Down Converter	Buy On MPS	18	2.5	20	1000	0.86	0.611	Yes	External	90	Configurable Frequency	QFN-25 (5x4), QFN-29 (5x4)	Industrial	1	0	https://www.monolithicpower.com/en/mpq8632-20.html
MPQ8636-10 ACTIVE 10A, 4.5-18V, CCM, Latch-off OVP, COT Synchronous Step-down Converter	Buy On MPS	18	4.5	10	1000	0.86	0.611	Yes	External	90	Configurable Frequency	QFN-13 (3x4), QFN-16 (3x4)	Industrial	1	0	https://www.monolithicpower.com/en/mpq8636-10.html
MPQ8636H-10 ACTIVE 10A, 4.5-18V, CCM, Non-latch OVP, COT Synchronous Step-down Converter	Buy On MPS	18	4.5	10	1000	0.86	0.611	Yes	External	90	Configurable Frequency	QFN-13 (3x4), QFN-16 (3x4)	Industrial	1	0	https://www.monolithicpower.com/en/mpq8636h-10.html
MPQ8636-20 ACTIVE 20A, 4.5-18V, CCM, Non-latch OVP, COT Synchronous Step-down Converter	Buy On MPS	18	4.5	20	1000	0.86	0.611	Yes	External	90	Configurable Frequency	QFN-25 (5x4), QFN-29 (5x4)	Industrial	1	0	https://www.monolithicpower.com/en/mpq8636-20.html
MPQ8636A-10 ACTIVE 10A, 4.5-18V, CCM, Latch-Off OVP/OCP, COT Synchronous Step-down Converter	Buy On MPS	18	4.5	10	1000	0.86	0.611	Yes	External	90	Configurable Frequency	QFN-16 (3x4)	Industrial	1	0	https://www.monolithicpower.com/en/mpq8636a-10.html
MPQ8636-4 ACTIVE 4A, 4.5-18V, CCM, Non Latch-Off OVP/OCP, COT Synchronous Step-down Converter	Buy On MPS	18	4.5	4	1000	0.86	0.611	Yes	External	90	Configurable Frequency	QFN-16 (3x4)	Industrial	1	0	https://www.monolithicpower.com/en/mpq8636-4.html
MPQ8634A ACTIVE 16V, 12A, Sync, Step-Down Converter with Adjustable Current Limit, Programmable Frequency, and Voltage Tracking	Buy On MPS	16	2.7	12	1000	0.65	0.9	Yes	Internal	90	Configurable Current Limit, Configurable Frequency, Differential Output Voltage Remote Sense, Output Discharge, Precision Reference Voltage, Voltage Tracking	QFN-21 (3x4)	Industrial	1	0	https://www.monolithicpower.com/en/mpq8634a.html
MPQ8634B ACTIVE 16V, 20A, Sync, Step-Down Converter with Adjustable Current Limit, Programmable Frequency, and Voltage Tracking	Buy On MPS	16	2.7	20	1000	0.65	0.9	Yes	Internal	90	Configurable Current Limit, Configurable Frequency, Differential Output Voltage Remote Sense, Output Discharge, Precision Reference Voltage, Voltage Tracking	QFN-21 (3x4)	Industrial	1	0	https://www.monolithicpower.com/en/mpq8634b.html
MPQ8633B-H ACTIVE 16V, 20A, Configurable-Frequency, Synchronous Step-Down Converter with Adjustable Current Limit and Voltage Tracking	Buy On MPS	16	2.7	20	1000	0.65	0.6	Yes	External	90	Configurable Current Limit, Configurable Frequency, Differential Output Voltage Remote Sense, Light-Load Efficiency, Output Discharge, OVP with Hiccup Mode, Precision Reference Voltage, Voltage Tracking	QFN-21 (3x4)	Industrial	1	0	https://www.monolithicpower.com/en/products/power-management/data-center/mpq8633b-h.html
MPQ8633A-H ACTIVE 16V, 12A, Configurable-Frequency, Synchronous Step-Down Converter with Adjustable Current Limit and Voltage Tracking	Buy On MPS	16	2.7	12	1000	0.65	0.6	Yes	External	90	Configurable Current Limit, Configurable Frequency, Differential Output Voltage Remote Sense, Output Discharge, OVP with Hiccup Mode, Precision Reference Voltage, Voltage Tracking	QFN-21 (3x4)	Industrial	1	0	https://www.monolithicpower.com/en/products/power-management/data-center/mpq8633a-h.html
MP8638 ACTIVE 16V, 12A, Synchronous Step-Down Converter with Adjustable Current Limit	Buy On MPS	16	4.5	12	1000	0.115	Vout < 3V Mode: 0.6V, Vout > 3V Mode: 1.8V	Yes	Internal	90	Output Discharge, Over-Current Protection (OCP), Over-Voltage Protection (OVP), Thermal Shutdown, Under-Voltage Protection (UVP)	QFN-16 (3x3)	Catalog	1	0	https://www.monolithicpower.com/en/products/power-management/data-center/mp8638.html
MP8639 ACTIVE 16V, 6A, Fully Integrated, Low-I_Q, Synchronous Step-Down Converter	Buy On MPS	16	4.5	6	750	0.105	0.6	Yes	Internal	90	Output Discharge, Over-Current Protection (OCP), Over-Voltage Protection (OVP), Thermal Shutdown, Under-Voltage Protection (UVP)	QFN-11 (2x2)	Catalog	1	0	https://www.monolithicpower.com/en/products/power-management/data-center/mp8639.html
MPQ8643 ACTIVE 16V, 20A, Configurable-Frequency, Synchronous Step-Down Converter with Adjustable Current Limit and Voltage Tracking	Buy On MPS	16	4	20	1000	0.65	0.6	Yes	External	90	Configurable Current Limit, Configurable Frequency, Differential Output Voltage Remote Sense, Output Discharge, Precision Reference Voltage, Voltage Tracking	QFN-21 (3x4)	Industrial	1	0	https://www.monolithicpower.com/en/products/power-management/data-center/mpq8643.html
MPQ8633A ACTIVE 16V, 12A, Synchronous Step-Down Converter with Adjustable Current Limit, Configurable Frequency, and Voltage Tracking	Buy On MPS	16	2.7	12	1000	0.65	0.6	Yes	External	90	Configurable Current Limit, Configurable Frequency, Differential Output Voltage Remote Sense, Output Discharge, Precision Reference Voltage, Voltage Tracking	QFN-20 (3x4), QFN-21 (3x4)	Industrial	1	0	https://www.monolithicpower.com/en/mpq8633a.html
MPQ8633B ACTIVE 16V, 20A, Synchronous, Step-Down Converter with Adjustable Current Limit, Configurable Frequency, and Voltage Tracking	Buy On MPS	16	2.7	20	1000	0.65	0.6	Yes	External	90	Configurable Current Limit, Configurable Frequency, Differential Output Voltage Remote Sense, Output Discharge, Precision Reference Voltage, Voltage Tracking	QFN-21 (3x4)	Industrial	1	0	https://www.monolithicpower.com/en/mpq8633b.html
MPQ8623 ACTIVE 16V, 6A, High Efficiency, Synchronous, Step-Down Converter with Adjustable Current Limit	Buy On MPS	16	2.85	6	2000	0.65	0.9	Yes	Internal	90	Configurable Current Limit, Configurable Frequency, Output Discharge, Precision Reference Voltage, Voltage Tracking	QFN-14 (2x3)	Industrial	1	0	https://www.monolithicpower.com/en/products/power-management/data-center/mpq8623.html
MPQ8626 ACTIVE 16V, 6A, High Efficiency, Synchronous, Step-Down Converter with Adjustable Current Limit	Buy On MPS	16	2.85	6	2000	0.65	0.6	Yes	Internal	90	Configurable Current Limit, Configurable Frequency, Output Discharge, Precision Reference Voltage, Voltage Tracking	QFN-14 (2x3)	Industrial	1	0	https://www.monolithicpower.com/en/products/power-management/data-center/mpq8626.html
MP8620 NRFND 16V, 25A Synchronous Step-down Converter with Phase Interleaving and External Soft Start		16	6	25	600	2	0.8			0.9	External Frequency Sync, Phase Interleaving, Soft Stop	QFN-36 (6x6)	Catalog	1	0	https://www.monolithicpower.com/en/products/power-management/data-center/mp8620.html
MPQ8645P NRFND 16V, 30A, Scalable, Digital, Synchronous Step-Down Converter with PMBus^TM		16	3.1	30	400,600,800,1000	2.5	0.6	Yes	Internal	90	Configurable Frequency, Configurable Output Voltage, Current Limiting, Output Remote Sense, PMBus Interface, Scalable Multi-Phase Operation	TQFN-25 (4x5)	Industrial	1	0	https://www.monolithicpower.com/en/products/power-management/data-center/mpq8645p.html
MPQ8632D-6 OBSOLETE 6A, 2.5-18V, DCM, Non-latch OVP, COT Synchronous Step-down Converter with output Discharge		18	2.5	6	1000	0.86	0.611				Configurable Frequency, Soft Stop	QFN-16 (3x4)	Industrial	1	0	https://www.monolithicpower.com/en/products/power-management/data-center/mpq8632d-6.html
MPQ8632D-12 OBSOLETE 12A, 2.5-19V, DCM, Non-latch OVP, COT Synchronous Step-down Converter with output Discharge		18	2.5	12	1000	0.86	0.611				Configurable Frequency, Soft Stop	QFN-16 (3x4)	Industrial	1	0	https://www.monolithicpower.com/en/products/power-management/data-center/mpq8632d-12.html

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