TPS54340QDDAQ1 - TI

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

Part No

TPS54340QDDAQ1
Manufacturer

TI
ChipWorker Part#

CW37202269
Category

DC to DC Converter
Package

SO-8
Description

Conv DC-DC 4.5V to 42V Step Down Single-Out 0.8V to 41V 3.5A Automotive 8Pin HSOP EP Tube
Documentation

Datasheet

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TPS54340QDDAQ1 Specifications

Attribute	Attribute Value

Part Number	TPS54340QDDAQ1
Manufacturer	TI
ChipWorker Part#	CW37202269
Category	DC to DC Converter
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	SO-8
Number of Outputs	1 Output
Output Voltage	0.8V ~ 41V
Output Current	3.5 A
Number of Positions	8 Position
Quiescent Current	146 µA
Number of Regulated Outputs	1 Output
Switching Frequency	2.5 MHz
Input Voltage (Max)	42 V
Input Voltage (Min)	4.5 V
Output Voltage (Max)	41 V
Output Voltage (Min)	800 mV
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage (Min)	4.5 V
Input Voltage	42 V
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Operating Temperature	-40℃ ~ 150℃ (TJ)
Product Lifecycle Status	Active
Packaging	Cut Tape (CT)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/06/15

Product Description

The TPS54340QDDAQ1 is a 42V 3.5A Step-down Converter with an integrated high-side MOSFET and Eco-mode™. The device survives load-dump pulses up to 45V per ISO 7637. Current mode control provides simple external compensation and flexible component selection. A low-ripple, pulse skip mode reduces the no load, regulated output supply current to 146µA. Using the enable pin, shutdown supply current is reduced to 1µA, when the enable pin is low. Under-voltage lockout is internally set at 4.3V but can be increased using an external resistor divider at the enable pin. The output voltage start-up ramp is internally controlled to provide a controlled start-up and eliminate overshoot. A wide adjustable frequency range allows for optimization of either efficiency or external component size. Frequency foldback and thermal shutdown protects internal and external components during an overload condition.
High efficiency at light loads with a pulse-skipping Eco-mode™
92mR High-side MOSFET
146µA Operating quiescent current and 2µA shutdown current
100kHz to 2.5MHz Adjustable switching frequency
Synchronizes to external clock
Low dropout at light loads with integrated BOOT recharge FET
Adjustable UVLO voltage and hysteresis
0.8V 1% Internal voltage reference
Green product and no Sb/Br
IC can be damaged by ESD. We recommend that all ICs be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage.

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