LTC3250

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High Efficiency, Low Noise, Inductorless Step-Down DC/DC Converter

Data Sheet Product Selection Table

Part Models: 4
1ku List Price: Starting From $1.85

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Part Details

2.7V to 5.5V Input Voltage Range
No Inductors
Li-Ion (3.6V) to 1.5V with 81% Efficiency
Low Noise Constant Frequency Operation
Output Voltages: 1.5V ±4%, 1.2V ±4%
Output Current: 250mA
Shutdown Disconnects Load from V_IN
Low Operating Current: I_Q = 35µA
Low Shutdown Current: I_SD <1µA
Oscillator Frequency = 1.5MHz
Soft-Start Limits Inrush Current at Turn-On
Short-Circuit and Overtemperature Protected
Low Profile (1mm) ThinSOT Package

Part Models: 4
1ku List Price: Starting From $1.85

Documentation

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
LTC3250ES6-1.2#TRMPBF	6-Lead TSOT-23	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3250ES6-1.2#TRPBF	6-Lead TSOT-23	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3250ES6-1.5#TRMPBF	6-Lead TSOT-23	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC3250ES6-1.5#TRPBF	6-Lead TSOT-23	Material Declaration Reliablity Data	Ultra Librarian SamacSys

This is the most up-to-date revision of the Data Sheet.

Tools & Simulations

LTspice 1

LTC3250 - Inductorless (Charge Pump) DC/DC Converters

Models for the following parts are available in LTspice:

LTC3250-1.2
LTC3250-1.5

LTspice® is a powerful, fast and free simulation software, schematic capture and waveform viewer with enhancements and models for improving the simulation of analog circuits.

Evaluation Kits

LTC3250ES6-1.5 Demo Board | Low Noise Regulated Step-Down Charge Pump, 3.1V ≤ VIN ≤ 5.5V, VOUT = 1.5V @ 250mA

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Product Details

Demonstration circuit 488 is a high efficiency, inductorless step-down converter featuring the LTC3250-1.5. The circuit produces a fixed 1.5V output from a 3.1V to 5.5V input.

Resources

DC488A - Demo Manual
434.00K

DC488A - Design File
257.00K

DC488A - Schematic
11.00K

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Part Details

Documentation

Data Sheet 1

Reliability Data 1

User Guide 1

Design Note 1

Technical Articles 1