LTC3721EGN-1#TRPBF

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Analog Devices Inc./Maxim Integrated

IC REG CTRLR PUSH-PULL 16SSOP

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LTC3721EGN-1#TRPBF

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Analog Devices Inc./Maxim Integrated

IC REG CTRLR PUSH-PULL 16SSOP

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Description Specifications Series Pricing CAD Documents

Description

General part information

LTC3721-1 Series

The LTC3721-1 push-pull PWM controller provides all of the control and protection functions necessary for compact and highly efficient, isolated power converters. High integration minimizes external component count, while preserving design flexibility.The robust push-pull output stages switch at half the oscillator frequency. Dead-time is independently programmed with an external resistor. A UVLO program input provides precise system turn-on and turn off voltages. The LTC3721-1 features peak current mode control with programmable slope compensation and leading edge blanking.The LTC3721-1 features extremely low operating and start-up currents and reliable short-circuit and overtemperature protection. The LTC3721-1 is offered in 16-pin SSOP and (4mm × 4mm) QFN packages.ApplicationsTelecommunications, Infrastructure Power SystemsDistributed Power ArchitecturesServer Power SuppliesHigh Density Power Modules

Technical Specifications

Parameters and characteristics for this part

Specification	LTC3721EGN-1#TRPBF

Clock Sync	No
Control Features	Soft Start, Current Limit
Duty Cycle (Max)	50 %
Frequency - Switching (Max)	1 MHz
Function	Step-Up, Step-Down
Mounting Type	Surface Mount
Number of Outputs	2
Operating Temperature (Max)	85 °C
Operating Temperature (Min)	-40 °C
Output Configuration	Positive, Isolation Capable
Output Phases	2
Output Type	Transistor Driver
Package Length	0.154 in
Package Name	16-SSOP
Package Width	3.9 mm
Synchronous Rectifier	No
Topology	Push-Pull
Voltage - Supply (Vcc/Vdd) (Max)	10 V

LTC3721-1 Series

Part	Mounting Type	Control Features	Output Type	Duty Cycle (Max)	Number of Outputs	Output Phases	Package / Case	Synchronous Rectifier	Topology	Function	Operating Temperature (Max)	Operating Temperature (Min)	Frequency - Switching (Max)	Output Configuration	Package Width	Package Name	Package Length	Clock Sync	Voltage - Supply (Vcc/Vdd) (Max)
Analog Devices Inc./Maxim Integrated LTC3721EUF-1#PBF	Surface Mount	Current Limit Soft Start	Transistor Driver	50 %	2	2	16-WQFN Exposed Pad	No	Push-Pull	Step-Down Step-Up	85 °C	-40 °C	1 MHz	Isolation Capable Positive	4 mm	16-QFN	4 mm	No	10 V
Analog Devices Inc./Maxim Integrated LTC3721EGN-1#TRPBF	Surface Mount	Current Limit Soft Start	Transistor Driver	50 %	2	2		No	Push-Pull	Step-Down Step-Up	85 °C	-40 °C	1 MHz	Isolation Capable Positive	3.9 mm	16-SSOP	0.154 in	No	10 V
Analog Devices Inc./Maxim Integrated LTC3721EUF-1#TRPBF	Surface Mount	Current Limit Soft Start	Transistor Driver	50 %	2	2	16-WQFN Exposed Pad	No	Push-Pull	Step-Down Step-Up	85 °C	-40 °C	1 MHz	Isolation Capable Positive	4 mm	16-QFN	4 mm	No	10 V
Analog Devices Inc./Maxim Integrated LTC3721EGN-1#PBF	Surface Mount	Current Limit Soft Start	Transistor Driver	50 %	2	2		No	Push-Pull	Step-Down Step-Up	85 °C	-40 °C	1 MHz	Isolation Capable Positive	3.9 mm	16-SSOP	0.154 in	No	10 V

Pricing

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CAD

3D models and CAD resources for this part

Documents

Technical documentation and resources

R302 Reliability Data

LTC3721EGN-1#TRPBF | Datasheet

Tape and Reel Packaging