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LM3102 Datasheet PDF

Part Series:LM3102 Series
Description:Synchronous 1MHz 2.5A Step-Down Voltage Regulator
Document:LM3102MH/NOPB Datasheet PDF (30 Pages)

LM3102 Datasheet PDF

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LM3102 - TI Specifications

TYPE
DESCRIPTION
Case/Package
HTSSOP-20
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LM3102 - TI Function Overview

The LM3102/-Q1 SIMPLE SWTCHER® Synchronously Rectified Buck Converter features all required functions to implement a highly efficient and cost-effective buck regulator. The device can supply 2.5 A to loads with an output voltage as low as 0.8 V. Dual N-channel synchronous MOSFET switches allow a low component count, thus reducing complexity and minimizing board size.
Different from most other COT regulators, the LM3102/-Q1 does not rely on output capacitor ESR for stability, and is designed to work exceptionally well with ceramic and other very low-ESR output capacitors. The device requires no loop compensation, results in a fast load transient response and simple circuit implementation. The operating frequency remains nearly constant with line variations due to the inverse relationship between the input voltage and the ON-time. The operating frequency can be externally programmed up to
1 MHz. Protection features include VCC undervoltage lockout (UVLO), output overvoltage protection, thermal shutdown, and gate drive UVLO. The LM3102/-Q1 is available in the thermally enhanced HTSSOP-20 package, and LM3102 is also available in a DSBGA low-profile chip-scale package with reduced output current.
LM3102-Q1 is an Automotive-Grade Product that
is AEC-Q100 Grade 1 Qualified (–40°C to +125°C
Operating Junction Temperature)
Low Component Count and Small Solution Size
Stable With Ceramic and Other Low-ESR
Capacitors
No Loop Compensation Required
High Efficiency at a Light Load by DCM Operation
Prebias Start-Up
Ultra-Fast Transient Response
Programmable Soft-Start
Programmable Switching Frequency up to 1 MHz
Valley Current Limit
Output Overvoltage Protection
Precision Internal Reference for an Adjustable
Output Voltage Down to 0.8 V
Thermal Shutdown
Key Specifications
Input Voltage Range 4.5 V to 42 V
2.5-A Output Current
0.8 V, ±1.5% Reference
Integrated Dual N-Channel Main and
Synchronous MOSFETs
Thermally Enhanced HTSSOP-20 Package
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