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TPS54428DDAR +BOM

4.5V to 18V Input, 4-A Synchronous Step-Down SWIFT™ Converter with Eco-mode™

Manufacturer:

TI
Mfr.Part #:

TPS54428DDAR
Datasheet:

TPS54428DDAR Datasheet (PDF)
Vin (min) (V):

4.5
Vin (max) (V):

18
Vout (min) (V):

0.76
Vout (max) (V):

7
EDA/CAD Models:

Request Free CAD Models for TPS54428DDAR

TPS54428DDAR General Description

The TPS54428DDAR from Texas Instruments is a highly efficient synchronous buck converter IC that offers a wide input voltage range of 4.5V to 18V. This versatile IC is capable of delivering low output voltages down to 0.76V, making it suitable for a variety of power supply applications. Its impressive efficiency of up to 95% ensures minimal power loss, making it perfect for power-sensitive applications. Additionally, its fixed switching frequency of 700 kHz provides stable performance and allows for the use of compact external components, reducing overall system complexity

Key Features

Safe Operating Area: -40°C to 150°C
Low Dropout Voltage: 200 mV at 1 A
Fault-Tolerant Operation Enables Redundancy
Output Current Limiting Protects Against Overload
Automatic Temperature Compensation Ensures
Wide Input Voltage Range for Flexibility and

Specifications

Vin (min) (V)	4.5	Vin (max) (V)	18
Vout (min) (V)	0.76	Vout (max) (V)	7
Iout (max) (A)	4	Iq (typ) (mA)	0.95
Switching frequency (min) (kHz)	650	Switching frequency (max) (kHz)	650
Features	Enable, Light Load Efficiency, Soft Start Adjustable, Synchronous Rectification	Operating temperature range (°C)	-40 to 85
Rating	Catalog	Regulated outputs (#)	1
Control mode	D-CAP2	Duty cycle (max) (%)	65
Type	Converter