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See Technical Specifications

LM51551QDSSTQ1 +BOM

2.2-MHz wide VIN, 1.5-A MOSFET driver, non-synchronous boost controller, hiccup mode protection

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

LM51551QDSSTQ1
Datasheet:

LM51551QDSSTQ1 Datasheet (PDF)
Series:

Automotive, AEC-Q100
Output Type:

Transistor Driver
Function:

Step-Up, Step-Up/Step-Down
Output Configuration:

Positive
EDA/CAD Models:

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LM51551QDSSTQ1 General Description

The LM51551QDSSTQ1 is a versatile and efficient boost controller designed for a wide input range of applications. With its peak current mode control, this device is capable of operating in boost, SEPIC, and flyback topologies, making it a valuable choice for a variety of power management needs

Key Features

Power management ICs with advanced thermal monitoring features
Automotive-grade DC/DC converters with high efficiency and reliability
Silicon carbide-based power electronics for electric vehicle charging applications

Specifications

Category	Integrated Circuits (ICs)Power Management (PMIC)DC DC Switching Controllers	Series	Automotive, AEC-Q100
Output Type	Transistor Driver	Function	Step-Up, Step-Up/Step-Down
Output Configuration	Positive	Topology	Boost, Flyback, SEPIC
Number of Outputs	1	Output Phases	1
Voltage - Supply (Vcc/Vdd)	2.97V ~ 45V	Frequency - Switching	100kHz ~ 2.2MHz
Duty Cycle (Max)	93%	Synchronous Rectifier	No
Clock Sync	Yes	Serial Interfaces	-
Control Features	Soft Start	Operating Temperature	-40°C ~ 150°C (TJ)
Mounting Type	Surface Mount, Wettable Flank	Base Product Number	LM51551