LM3100 - TI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

LM3100
Manufacturer

TI
ChipWorker Part#

CW435430600
Package

HTSSOP-20
Description

Synchronous 1MHz 1.5A Step-Down Voltage Regulator
Documentation

Datasheet

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LM3100 Specifications

Attribute	Attribute Value

Part Number	LM3100
Manufacturer	TI
ChipWorker Part#	CW435430600
Documentation	Datasheet
Case/Package	HTSSOP-20
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Product Lifecycle Status
RoHS	RoHS Compliant
Lead-Free Status	Lead Free

Product Description

The LM3100 Synchronously Rectified Buck Converter features all functions needed to implement a highly efficient, cost effective buck regulator capable of supplying 1.5 A to loads with voltages as low as 0.8 V. Dual 40 V N-Channel synchronous MOSFET switches allow for low external component thus reducing complexity and minimizing board space. The LM3100 is designed to work exceptionally well with ceramic and other very low ESR output capacitors. The Constant ON-Time (COT) regulation scheme requires no loop compensation, results in fast load transient response, and simplifies circuit implementation. Through the use of a unique design the regulator does not rely on output capacitor ESR for stability, as do most other COT regulators. The operating frequency remains nearly constant with line and load 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 under-voltage lockout, thermal shutdown and gate drive under-voltage lockout. The part is available in a thermally enhanced HTSSOP-20 package
Input Voltage Range 4.5 V to 36 V
1.5 A Output Current
0.8 V, ±1.5% Reference
Integrated 40 V, Dual N-Channel Buck Synchronous Switches
Low Component Count and Small Solution Size
No Loop Compensation Required
Ultra-Fast Transient Response
Stable With Ceramic and Other Low ESR Capacitors
Programmable Switching Frequency up to 1 MHz
Max. Duty Cycle Limited During Start-Up
Valley Current Limit
Precision Internal Reference for Adjustable Output Voltage Down to 0.8 V
Thermal Shutdown
Thermally Enhanced HTSSOP-20 Package
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