TPS54334DDA - TI

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

Part No

TPS54334DDA
Manufacturer

TI
ChipWorker Part#

CW16796462
Category

DC to DC Converter
Package

HSOP-8
Description

Conv DC-DC 4.2V to 28V Step Down Single-Out 0.8V to 28V 3A 8Pin HSOP EP Tube
Documentation

Datasheet

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TPS54334DDA Specifications

Attribute	Attribute Value

Part Number	TPS54334DDA
Manufacturer	TI
ChipWorker Part#	CW16796462
Category	DC to DC Converter
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	HSOP-8
Number of Outputs	1 Output
Output Voltage	0.8V ~ 28V
Output Current	3 A
Number of Positions	8 Position
Quiescent Current	600 µA
Number of Regulated Outputs	1 Output
Switching Frequency	570 kHz
Topology	Buck
Input Voltage (Max)	28 V
Input Voltage (Min)	4.2 V
Output Voltage (Max)	24 V
Output Voltage (Min)	800 mV
Output Current (Max)	3 A
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Input Voltage	28 V
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Operating Temperature	-40℃ ~ 150℃ (TJ)
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance Edition	2015/06/15

Product Description

The TPS54334DDA is a synchronous monolithic Buck Converter with integrated MOSFETs. The TPS54334 enables small designs by integrating the MOSFETs and implementing current mode control to reduce external component count. Efficiency is maximized through the integrated 128/84mR MOSFETs, low quiescent supply current and pulse skipping at light loads. Using the enable pin, shutdown supply current is reduced to 2µA by entering a shutdown mode. The TPS54334 provides accurate regulation for a variety of loads with an accurate 1.5% voltage reference over temperature. Cycle-by-cycle current limiting on the high-side FET protects the TPS54334 in overload situations and is enhanced by a low-side sourcing current limit which prevents current runaway. There is also a low-side sinking current limit which turns off the low-side MOSFET to prevent excessive reverse current. Hiccup protection will be triggered if the overcurrent condition has persisted for longer than the preset time.
Power good function
Fixed-frequency current mode control
Pulse skipping boosts efficiency at light loads
Overcurrent protection for both MOSFETs with hiccup mode for severe fault conditions
Thermal and overvoltage transient protection
Monotonic start-up into pre-biased outputs
0.8V Internal voltage reference with ±1.5% accuracy over temperature
Green product and no Sb/Br

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