LTC1437A

PRODUCTION

High Efficiency Low Noise Synchronous Step-Down Switching Regulators

Data Sheet Product Selection Table

Part Models: 6
1ku List Price: Starting From $6.58

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Part Details

Maintains Constant Frequency at Low Output Currents
Programmable Fixed Frequency (PLL Lockable)
Wide V_IN Range: 3.5V to 36V Operation
Low Minimum On-Time (≤300ns) for High Frequency, Low Duty Cycle Applications
Dual N-Channel MOSFET Synchronous Drive
Very Low Dropout Operation: 99% Duty Cycle
Low Dropout, 0.5A Linear Regulator for CPU I/O or Low Noise Audio Supplies
Built-In Power-On Reset Timer
Programmable Soft Start
Low-Battery Detector
Remote Output Voltage Sense
Foldback Current Limiting (Optional)
Pin Selectable Output Voltage
Logic Controlled Micropower Shutdown: I_Q < 25µA
Output Voltages from 1.19V to 9V
Available in 24-Lead Narrow SSOP and 28-Lead SSOP Packages

Part Models: 6
1ku List Price: Starting From $6.58

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
LTC1437ACG#PBF	28-Lead SSOP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC1437ACG#TRPBF	28-Lead SSOP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC1437AIG#PBF	28-Lead SSOP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC1437AIG#TRPBF	28-Lead SSOP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC1437CG#PBF	28-Lead SSOP	Material Declaration Reliablity Data	Ultra Librarian SamacSys
LTC1437CG#TRPBF	28-Lead SSOP	Material Declaration Reliablity Data	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Aug 6, 2022 - 22_0171 Laser Top Mark Conversion for SSOP Packages Assembled in PNG
		PCN22_0171_Form Material_Report Delta Qualification Matrix
LTC1437ACG#PBF	PRODUCTION
LTC1437ACG#TRPBF	PRODUCTION
LTC1437AIG#PBF	PRODUCTION
LTC1437AIG#TRPBF	PRODUCTION
LTC1437CG#PBF	PRODUCTION
LTC1437CG#TRPBF	PRODUCTION

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

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Tools & Simulations

LTspice 1

LTC1437A - Step-Down (Buck) Regulators

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Part Details

Documentation

Data Sheet 1

Reliability Data 1

Design Note 3

Technical Articles 1

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