LT1933IS6#TRMPBF

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Analog Devices Inc./Maxim Integrated

600MA, 500KHZ STEP-DOWN SWITCHING REGULATOR IN SOT-23 AND DFN PACKAGES

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LT1933IS6#TRMPBF

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Analog Devices Inc./Maxim Integrated

600MA, 500KHZ STEP-DOWN SWITCHING REGULATOR IN SOT-23 AND DFN PACKAGES

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Description Specifications Series Pricing CAD Documents

Description

General part information

LT1933 Series

The LT1933 is a current mode PWM step-down DC/DC converter with an internal 0.75A power switch, packaged in a tiny 6-lead SOT-23. The wide input range of 3.6V to 36V makes the LT1933 suitable for regulating power from a wide variety of sources, including unregulated wall transformers, 24V industrial supplies and automotive batteries. Its high operating frequency allows the use of tiny, low cost inductors and ceramic capacitors, resulting in low, predictable output ripple.Cycle-by-cycle current limit provides protection against shorted outputs, and soft-start eliminates input current surge during start up. The low current (<2µA) shutdown provides output disconnect, enabling easy power management in battery-powered systems.ApplicationsAutomotive Battery RegulationIndustrial Control SuppliesWall Transformer RegulationDistributed Supply RegulationBattery-Powered Equipment

Technical Specifications

Parameters and characteristics for this part

Specification	LT1933IS6#TRMPBF

Current - Output	600 mA
Frequency - Switching	500 kHz
Function	Step-Down
Mounting Type	Surface Mount
Number of Outputs	1
Operating Temperature (Max)	125 °C
Operating Temperature (Min)	-40 °C
Output Configuration	Positive
Output Type	Adjustable
Package / Case	TSOT-23-6, SOT-23-6 Thin
Package Name	TSOT-23-6
Synchronous Rectifier	No
Topology	Buck
Voltage - Input (Max)	36 V
Voltage - Input (Min)	3.6 V
Voltage - Output (Max)	33.84 V
Voltage - Output (Min/Fixed)	1.245 V

LT1933 Series

Part	Topology	Current - Output	Voltage - Output (Min/Fixed)	Voltage - Input (Max)	Function	Package Name	Mounting Type	Frequency - Switching	Output Type	Output Configuration	Package / Case	Number of Outputs	Operating Temperature (Min)	Operating Temperature (Max)	Synchronous Rectifier	Voltage - Input (Min)	Voltage - Output (Max)	Package Width	Package Length
Analog Devices Inc./Maxim Integrated LT1933ES6#TRPBF	Buck	600 mA	1.245 V	36 V	Step-Down	TSOT-23-6	Surface Mount	500 kHz	Adjustable	Positive	SOT-23-6 Thin TSOT-23-6	1	0 °C	70 °C	No	3.6 V	33.84 V
Analog Devices Inc./Maxim Integrated LT1933IDCB#TRMPBF	Buck	600 mA	1.245 V	36 V	Step-Down	6-DFN	Surface Mount	500 kHz	Adjustable	Positive	6-WFDFN Exposed Pad	1	-40 °C	125 °C	No	3.6 V	33.84 V	3 mm	2 mm
Analog Devices Inc./Maxim Integrated LT1933IDCB#TRPBF	Buck	600 mA	1.245 V	36 V	Step-Down	6-DFN	Surface Mount	500 kHz	Adjustable	Positive	6-WFDFN Exposed Pad	1	-40 °C	125 °C	No	3.6 V	33.84 V	3 mm	2 mm
Analog Devices Inc./Maxim Integrated LT1933HDCB#TRPBF	Buck	600 mA	1.245 V	36 V	Step-Down	6-DFN	Surface Mount	500 kHz	Adjustable	Positive	6-WFDFN Exposed Pad	1	-40 °C	150 °C	No	3.6 V	33.84 V	3 mm	2 mm
Analog Devices Inc./Maxim Integrated LT1933HDCB#TRMPBF	Buck	600 mA	1.245 V	36 V	Step-Down	6-DFN	Surface Mount	500 kHz	Adjustable	Positive	6-WFDFN Exposed Pad	1	-40 °C	150 °C	No	3.6 V	33.84 V	3 mm	2 mm
Analog Devices Inc./Maxim Integrated LT1933HS6#TRPBF	Buck	600 mA	1.245 V	36 V	Step-Down	TSOT-23-6	Surface Mount	500 kHz	Adjustable	Positive	SOT-23-6 Thin TSOT-23-6	1	-40 °C	150 °C	No	3.6 V	33.84 V
Analog Devices Inc./Maxim Integrated LT1933ES6#TRMPBF	Buck	600 mA	1.245 V	36 V	Step-Down	TSOT-23-6	Surface Mount	500 kHz	Adjustable	Positive	SOT-23-6 Thin TSOT-23-6	1	0 °C	70 °C	No	3.6 V	33.84 V
Analog Devices Inc./Maxim Integrated LT1933HS6#TRMPBF	Buck	600 mA	1.245 V	36 V	Step-Down	TSOT-23-6	Surface Mount	500 kHz	Adjustable	Positive	SOT-23-6 Thin TSOT-23-6	1	-40 °C	150 °C	No	3.6 V	33.84 V
Analog Devices Inc./Maxim Integrated LT1933IS6#TRPBF	Buck	600 mA	1.245 V	36 V	Step-Down	TSOT-23-6	Surface Mount	500 kHz	Adjustable	Positive	SOT-23-6 Thin TSOT-23-6	1	-40 °C	125 °C	No	3.6 V	33.84 V
Analog Devices Inc./Maxim Integrated LT1933IS6#TRMPBF	Buck	600 mA	1.245 V	36 V	Step-Down	TSOT-23-6	Surface Mount	500 kHz	Adjustable	Positive	SOT-23-6 Thin TSOT-23-6	1	-40 °C	125 °C	No	3.6 V	33.84 V

Pricing

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CAD

3D models and CAD resources for this part

Documents

Technical documentation and resources

LT1933IS6#TRMPBF | Datasheet

R388 Reliability Data