LMR62421 Series

SIMPLE SWITCHER 2.7V to 5.5V, 24Vout, 2.1A Boost Converter in SOT-23

Catalog

SIMPLE SWITCHER 2.7V to 5.5V, 24Vout, 2.1A Boost Converter in SOT-23

Part	Output Configuration	Voltage - Input (Min) [Min]	Current - Output	Supplier Device Package	Voltage - Output (Min/Fixed)	Voltage - Output (Max)	Output Type	Number of Outputs	Voltage - Input (Max) [Max]	Operating Temperature [Min]	Operating Temperature [Max]	Mounting Type	Frequency - Switching	Function	Topology	Package / Case	Voltage - Input [Min]	Voltage - Input [Max]	Utilized IC / Part	Supplied Contents	Regulator Topology	Main Purpose	Outputs and Type	Outputs and Type	Board Type	Voltage - Output
Texas Instruments LMR62421XSD/NOPB	Positive	2.7 V	2.1 A	6-WSON (3x3)	2.7 V	24 V	Adjustable	1	5.5 V	-40 °C	125 ¯C	Surface Mount	1.6 MHz	Step-Up Step-Up/Step-Down	Boost SEPIC
Texas Instruments LMR62421XMFE/NOPB	Positive	2.7 V	2.1 A	SOT-23-5	2.7 V	24 V	Adjustable	1	5.5 V	-40 °C	125 ¯C	Surface Mount	1.6 MHz	Step-Up Step-Up/Step-Down	Boost SEPIC	SC-74A SOT-753
Texas Instruments LMR62421XSDDEMO/NOPB			500 mA										1.6 MHz				2.7 V	5.5 V	LMR62421	Board(s)	Boost	DC/DC Step Up	Non-Isolated	1	Fully Populated	12 V
Texas Instruments LMR62421XSDE/NOPB	Positive	2.7 V	2.1 A	6-WSON (3x3)	2.7 V	24 V	Adjustable	1	5.5 V	-40 °C	125 ¯C	Surface Mount	1.6 MHz	Step-Up Step-Up/Step-Down	Boost SEPIC
Texas Instruments LMR62421XMF/NOPB	Positive	2.7 V	2.1 A	SOT-23-5	2.7 V	24 V	Adjustable	1	5.5 V	-40 °C	125 ¯C	Surface Mount	1.6 MHz	Step-Up Step-Up/Step-Down	Boost SEPIC	SC-74A SOT-753

Catalog

SIMPLE SWITCHER 2.7V to 5.5V, 24Vout, 2.1A Boost Converter in SOT-23

Key Features

• Input Voltage Range of 2.7V to 5.5VOutput Voltage up to 24VSwitch Current up to 2.1A1.6 MHz Switching FrequencyLow Shutdown Iq, 80 nACycle-by-Cycle Current LimitingInternally CompensatedInternal Soft-Start5-Pin SOT-23 (2.92 x 2.84 x 1mm) and 6-Pin WSON (3 x 3 x 0.8 mm) PackagingFully Enabled for WEBENCH® Power DesignerPerformance BenefitsExtremely Easy to UseTiny Overall Solution Reduces System CostAll trademarks are the property of their respective owners.Input Voltage Range of 2.7V to 5.5VOutput Voltage up to 24VSwitch Current up to 2.1A1.6 MHz Switching FrequencyLow Shutdown Iq, 80 nACycle-by-Cycle Current LimitingInternally CompensatedInternal Soft-Start5-Pin SOT-23 (2.92 x 2.84 x 1mm) and 6-Pin WSON (3 x 3 x 0.8 mm) PackagingFully Enabled for WEBENCH® Power DesignerPerformance BenefitsExtremely Easy to UseTiny Overall Solution Reduces System CostAll trademarks are the property of their respective owners.

Description

The LMR62421 is an easy-to-use, space-efficient 2.1A low-side switch regulator ideal for Boost and SEPIC DC-DC regulation. It provides all the active functions to provide local DC/DC conversion with fast-transient response and accurate regulation in the smallest PCB area. Switching frequency is internally set to 1.6 MHz, allowing the use of extremely small surface mount inductor and chip capacitors while providing efficiencies near 90%. Current-mode control and internal compensation provide ease-of-use, minimal component count, and high-performance regulation over a wide range of operating conditions. External shutdown features an ultra-low standby current of 80 nA ideal for portable applications. Tiny 5-pin SOT-23 and 6-pin WSON packages provide space-savings. Additional features include internal soft-start, circuitry to reduce inrush current, pulse-by-pulse current limit, and thermal shutdown. The LMR62421 is an easy-to-use, space-efficient 2.1A low-side switch regulator ideal for Boost and SEPIC DC-DC regulation. It provides all the active functions to provide local DC/DC conversion with fast-transient response and accurate regulation in the smallest PCB area. Switching frequency is internally set to 1.6 MHz, allowing the use of extremely small surface mount inductor and chip capacitors while providing efficiencies near 90%. Current-mode control and internal compensation provide ease-of-use, minimal component count, and high-performance regulation over a wide range of operating conditions. External shutdown features an ultra-low standby current of 80 nA ideal for portable applications. Tiny 5-pin SOT-23 and 6-pin WSON packages provide space-savings. Additional features include internal soft-start, circuitry to reduce inrush current, pulse-by-pulse current limit, and thermal shutdown.