TPS43000PWR

Frequency - Switching:	250kHz ~ 1MHz
Base Part Number:	TPS43000
Supplier Device Package:	16-TSSOP
Package / Case:	16-TSSOP (0.173", 4.40mm Width)
Operating Temperature:	-40°C ~ 85°C (TA)
Control Features:	Current Limit, Enable, Frequency Control
Serial Interfaces:	--
Clock Sync:	Yes
Synchronous Rectifier:	Yes
Duty Cycle (Max):	90%, 100%
Series:	--
Voltage - Supply (Vcc/Vdd):	1.8 V ~ 9 V
Output Phases:	1
Number of Outputs:	1
Topology:	Buck, Boost, Buck-Boost, Flyback, SEPIC
Output Configuration:	Positive
Function:	Step-Up, Step-Down, Step-Up/Step-Down
Output Type:	Transistor Driver
Part Status:	Active
Packaging:	Tape & Reel (TR)

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TPS43000PWR Application Field and Working PrinciplePMIC - Voltage Regulators - DC DC Switching ControllersThe TPS43000PWR is a power management integrated circuit (PMIC) designed for use in the industrial and transportation markets. It is a pulse width modulation (PWM) controller and has a maximum power output of 1.2 watts. The device is specifically optimized for isolated DC-DC converter applications operating in step-down (buck) mode. It is capable of switching at frequencies of up to 500 kHz and includes both overvoltage and undervoltage protection, making it ideal for compact, cost-effective and reliable DC-DC converter designs.The TPS43000PWR is a voltage regulator, with an internal voltage loop to regulate the output voltage. The input voltage can be configured from 4.5V to 40V, making it suitable for a wide variety of applications. The maximum output power of the device is 1.2 watts, with an output current of 200mA. It features a low startup current and a low output noise, making it an excellent choice for low power applications.As a DC-DC switching controller, the TPS43000PWR is designed to control a power switch in buck, boost and buck-boost DC-DC capabilities. The device switches synchronously and contains a Power Good open collector output and an output transistor. On the input side, the TPS43000PWR features a maximum input voltage of 40V and supports a switching frequency range of 250 kHz to 500 kHz. It also supports an adjustable duty cycle range of 0% to 99%. The adjustable operating frequency allows for efficient and flexible designs.The TPS43000PWR also includes two unique features, both adjustable. The First is the Clock Multiplier, which is an on-chip feature that provides an adjustable delay to extend the on-time of the PWM cycle. The second feature is an adjustable current peak limiter, which prevents output stages from overloading in the event of an unexpected load reduction.The TPS43000PWR is recommended for applications such as automotive battery, automotive HVAC, street lighting, industrial sensors, and motor control. It is designed to provide a reliable low power solution for isolated DC-DC converters and is ideal for applications that require high efficiency, high performance and low noise operation.The TPS43000PWR is an excellent choice for designers who are looking for a cost-effective, resilient and reliable solution for their power management needs.

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