Integrated Circuits (ICs)

IR3621M

Obsolete

IC REG CTRLR BUCK 32MLPQ

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Integrated Circuits (ICs)

Obsolete

IC REG CTRLR BUCK 32MLPQ

Technical Specifications

Parameters and characteristics for this part

Specification	IR3621M

Clock Sync	True
Control Features	Power Good, Frequency Control, Soft Start
Duty Cycle (Max) [Max]	86.5 %
Frequency - Switching [Max]	500 kHz
Frequency - Switching [Min]	200 kHz
Function	Step-Down
Mounting Type	Surface Mount
Number of Outputs	2
Operating Temperature [Max]	125 °C
Operating Temperature [Min]	-40 C
Output Configuration	Positive
Output Phases	2
Output Type	Transistor Driver
Package / Case	32-VFQFN Exposed Pad
Supplier Device Package	32-MLPQ (5x5)
Synchronous Rectifier	True
Topology	Buck
Voltage - Supply (Vcc/Vdd) [Max]	14.5 V
Voltage - Supply (Vcc/Vdd) [Min]	5.5 V

Part	Topology	Function	Output Configuration	Supplier Device Package	Operating Temperature [Min]	Operating Temperature [Max]	Frequency - Switching [Max]	Frequency - Switching [Min]	Control Features	Number of Outputs	Output Type	Package / Case	Voltage - Supply (Vcc/Vdd) [Max]	Voltage - Supply (Vcc/Vdd) [Min]	Output Phases	Duty Cycle (Max) [Max]	Mounting Type	Package / Case
INFINEON IR3621M	Buck	Step-Down	Positive	32-MLPQ (5x5)	-40 C	125 °C	500 kHz	200 kHz	Frequency Control Power Good Soft Start	2	Transistor Driver	32-VFQFN Exposed Pad	14.5 V	5.5 V	2	86.5 %	Surface Mount
INFINEON IR3621F	Buck	Step-Down	Positive	28-TSSOP	-40 C	125 °C	500 kHz	200 kHz	Frequency Control Power Good Soft Start	2	Transistor Driver	28-TSSOP	14.5 V	5.5 V	2	86.5 %	Surface Mount	0.173 " 4.4 mm
INFINEON IR3621FTR	Buck	Step-Down	Positive	28-TSSOP	-40 C	125 °C	500 kHz	200 kHz	Frequency Control Power Good Soft Start	2	Transistor Driver	28-TSSOP	14.5 V	5.5 V	2	86.5 %	Surface Mount	0.173 " 4.4 mm
INFINEON IR3621MTR	Buck	Step-Down	Positive	32-MLPQ (5x5)	-40 C	125 °C	500 kHz	200 kHz	Frequency Control Power Good Soft Start	2	Transistor Driver	32-VFQFN Exposed Pad	14.5 V	5.5 V	2	86.5 %	Surface Mount

Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly

Distributor	Package	Quantity	$

Digikey	N/A	0	$ 2.19

General part information

Buck Regulator Positive Output Step-Down DC-DC Controller IC 32-MLPQ (5x5)

Technical documentation and resources