LT1913EDD#PBF

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Analog Devices Inc./Maxim Integrated

25V, 3.5A, 2.4MHZ STEP-DOWN SWITCHING REGULATOR

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LT1913EDD#PBF

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Analog Devices Inc./Maxim Integrated

25V, 3.5A, 2.4MHZ STEP-DOWN SWITCHING REGULATOR

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Description Specifications Series Pricing CAD Documents

Description

General part information

LT1913 Series

The LT1913 is an adjustable frequency (200kHz to 2.4MHz) monolithic buck switching regulator that accepts input voltages up to 25V. A high efficiency 95mΩ switch is included on the die along with a boost Schottky diode and the necessary oscillator, control, and logic circuitry. Current mode topology is used for fast transient response and good loop stability. Shutdown reduces input supply current to less than 1μA while a resistor and capacitor on the RUN/SS pin provide a controlled output voltage ramp (soft-start). A power good ﬂag signals when VOUTreaches 91% of the programmed output voltage. The LT1913 is available in 10-Pin 3mm × 3mm DFN packages with exposed pads for low thermal resistance.ApplicationsAutomotive Battery RegulationPower for Portable ProductsDistributed Supply RegulationIndustrial SuppliesWall Transformer Regulation

Technical Specifications

Parameters and characteristics for this part

Specification	LT1913EDD#PBF

Current - Output	3.5 A
Frequency - Switching (Max)	2.45 MHz
Frequency - Switching (Min)	230 kHz
Function	Step-Down
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature (Max)	125 °C
Operating Temperature (Min)	0 °C
Output Configuration	Positive
Output Type	Adjustable
Package / Case	10-WFDFN Exposed Pad
Package Length	3 mm
Package Name	10-DFN
Package Width	3 mm
Synchronous Rectifier	No
Topology	Buck
Voltage - Input (Max)	25 V
Voltage - Input (Min)	3.6 V
Voltage - Output (Max)	24.25 V
Voltage - Output (Min/Fixed)	0.79 V

LT1913 Series

Part	Frequency - Switching (Min)	Frequency - Switching (Max)	Mounting Type	Output Configuration	Package Length	Package Name	Package Width	Function	Voltage - Input (Min)	Current - Output	Topology	Operating Temperature (Max)	Operating Temperature (Min)	Synchronous Rectifier	Output Type	Number of Outputs	Voltage - Input (Max)	Package / Case	Voltage - Output (Max)	Voltage - Output (Min/Fixed)
Analog Devices Inc./Maxim Integrated LT1913EDD#TRPBF	230 kHz	2.45 MHz	Surface Mount	Positive	3 mm	10-DFN	3 mm	Step-Down	3.6 V	3.5 A	Buck	125 °C	0 °C	No	Adjustable	1	25 V	10-WFDFN Exposed Pad	24.25 V	0.79 V
Analog Devices Inc./Maxim Integrated LT1913IDD#TRPBF	230 kHz	2.45 MHz	Surface Mount	Positive	3 mm	10-DFN	3 mm	Step-Down	3.6 V	3.5 A	Buck	125 °C	-40 °C	No	Adjustable	1	25 V	10-WFDFN Exposed Pad	24.25 V	0.79 V
Analog Devices Inc./Maxim Integrated LT1913IDD#PBF	230 kHz	2.45 MHz	Surface Mount	Positive	3 mm	10-DFN	3 mm	Step-Down	3.6 V	3.5 A	Buck	125 °C	-40 °C	No	Adjustable	1	25 V	10-WFDFN Exposed Pad	24.25 V	0.79 V
Analog Devices Inc./Maxim Integrated LT1913EDD#PBF	230 kHz	2.45 MHz	Surface Mount	Positive	3 mm	10-DFN	3 mm	Step-Down	3.6 V	3.5 A	Buck	125 °C	0 °C	No	Adjustable	1	25 V	10-WFDFN Exposed Pad	24.25 V	0.79 V

Pricing

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CAD

3D models and CAD resources for this part

Documents

Technical documentation and resources

R530 Reliability Data

LT1913EDD#PBF | Datasheet

LTpowerPlanner III Quick Start Guide