TPS54360B Texas instruments

TPS54360B

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TPS54360B

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Описание

The TPS54360B is a 60-V, 3.5-A, step-down regulator with an integrated high side MOSFET. Current mode control provides simple external compensation and flexible component selection. A low ripple pulse skip mode reduces the no-load supply current to 146 µA. Shutdown supply current is reduced to 2 µA when the enable pin is pulled low.Undervoltage lockout is internally set at 4.3 V but can be increased using the enable pin. The output voltage start-up ramp is internally controlled to provide a controlled start-up and eliminate overshoot. A wide switching-frequency range allows either efficiency or external component size to be optimized. Frequency foldback and thermal shutdown protect internal and external components during an overload condition.The TPS54360B is available in an 8-pin thermally enhanced HSOIC PowerPAD™ package.

4.5-V to 60-V (65-V Abs Max) Input Range
3.5-A Continuous Current, 4.5-A Minimum Peak Inductor Current Limit
Current Mode Control DC/DC Converter
92-mΩ High-Side MOSFET
High Efficiency at Light Loads with Pulse Skipping Eco-mode™
Low Dropout at Light Loads with Integrated BOOT Recharge FET
146-µA Operating Quiescent Current
2-µA Shutdown Current
100-kHz to 2.5-MHz Fixed Switching Frequency
Synchronizes to External Clock
Adjustable UVLO Voltage and Hysteresis
Internal Soft Start
Accurate Cycle-by-Cycle Current Limit
Thermal, Overvoltage, and Frequency Foldback Protection
0.8 V 1% Internal Voltage Reference
8-Pin HSOIC with PowerPAD™ Package
–40°C to 150°C T_J Operating Range
Create a Custom Design using the TPS54360B with the WEBENCH® Power Designer

Vin (min) (V)	4.5
Vin (max) (V)	60
Vout (min) (V)	1
Vout (max) (V)	58.8
Iout (max) (A)	3.5
Iq (typ) (mA)	0.146
Switching frequency (min) (kHz)	100
Switching frequency (max) (kHz)	2500
Features	Enable, Frequency synchronization, Light Load Efficiency, Over Current Protection, Pre-Bias Start-Up, Wettable flanks package
Operating temperature range (°C)	-40 to 150
Rating	Catalog
Regulated outputs (#)	1
Control mode	current mode
Duty cycle (max) (%)	98
Type	Converter