TPS5124DBT - TI

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

Part No

TPS5124DBT
Manufacturer

TI
ChipWorker Part#

CW52628040
Category

Voltage Regulator
Package

TSSOP-30
Description

DC-DC Controller (External Switch) TPS5124 Dual Channel Synchronous Step-Down PWM Controller DC-DC Cntrlr Dual-OUT Step Down 500kHz 30Pin TSSOP Tube
Documentation

Datasheet

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TPS5124DBT Specifications

Attribute	Attribute Value

Part Number	TPS5124DBT
Manufacturer	TI
ChipWorker Part#	CW52628040
Category	Voltage Regulator
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	30 Pin
Case/Package	TSSOP-30
Frequency	300 kHz
Supply Voltage (DC)	4.50V (min)
Number of Outputs	2 Output
Input Voltage (DC)	21.0 V
Output Voltage	0.9V ~ 12V
Output Current	20 A
Input Current	1.10 mA
Power Dissipation	874 mW
Quiescent Current	1.10 mA
Number of Regulated Outputs	2 Output
Switching Frequency	300 kHz
Thermal Shutdown	No
Topology	Buck
Duty Cycle	80 %
Input Voltage (Max)	15 V
Input Voltage (Min)	4.5 V
Output Current (Max)	20 A
Maximum Duty Cycle	0.8
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Power Dissipation (Max)	874 mW
Supply Voltage	4.5V ~ 15V
Supply Voltage (Max)	5.5 V
Supply Voltage (Min)	4.5 V
Input Voltage	4.5V ~ 15V
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Operating Temperature	-40℃ ~ 85℃ (TA)
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/06/15
ECCN Code	EAR99

Product Description

The TPS5124 is dual independent high efficiency synchronous step-down controller. It supports a low-voltage/high-current power supply applications that use either a 5-V or 12-V bus voltage. Since both controllers of the TPS5124 operate 180 degree out-of-phase, the input current ripple is minimized resulting in a smaller input capacitance and reduced power supply cost.
The current protection circuit detects the drain-to-source voltage drop across the high-side and low-side power MOSFET while it is conducting. Also, the current protection circuit has a temperature coefficient to compensate for the RDS(on) variation of the MOSFET. This resistor-less current protection and built-in boost diode simplify the system design and reduces the external parts count. Other features such as undervoltage lockout, overvoltage, undervoltage, and programmable short-circuit protection promote system reliability.

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