TPS40053PWP

Frequency - Switching:	500kHz
Base Part Number:	TPS40053
Supplier Device Package:	16-HTSSOP
Package / Case:	16-TSSOP (0.173", 4.40mm Width) Exposed Pad
Operating Temperature:	-40°C ~ 85°C (TA)
Control Features:	Current Limit, Enable, Frequency Control, Soft Start
Serial Interfaces:	--
Clock Sync:	Yes
Synchronous Rectifier:	Yes
Duty Cycle (Max):	94%
Series:	--
Voltage - Supply (Vcc/Vdd):	8 V ~ 40 V
Output Phases:	1
Number of Outputs:	1
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Output Type:	Transistor Driver
Part Status:	Not For New Designs
Packaging:	Tube

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<p>The TPS40053PWP is a synchronous buck controller with integrated FETs for automotive and industrial power applications. It is designed to provide a simple, efficient and reliable means of supplying power to low voltage loads. The device features low quiescent current and high efficiency in a very small package.</p> <p>The TPS40053PWP is a high performance and low cost buck controller with integrated FETs. It is designed to provide load current and voltage regulation in a wide range of automotive, industrial and consumer applications. The device features excellent transient and load-line response, as well as internal lead compensation and dampening.</p> <p>The TPS40053PWP is ideal for applications such as PCU, secondary stage, point-of-load converters, automotive power supplies and industrial applications. The high performance and low cost make the device an ideal choice for cost-sensitive applications.</p> <p>The TPS40053PWP offers a wide range of features and performance, such as constant on-time control for seamless transition between operation and light loads, adaptive frequency control for low noise operation, adjustable pre-bias start-up and controlled turn-on, leading edge modulation for low output noise, and post-transient jitter for reduced line drops.</p> <p>In addition, the TPS40053PWP has a “Turbo Mode” which provides higher switching frequency and faster transient response time. The device also features a number of protection features, including over voltage protection, under voltage lockout, soft start, power-good signal, short circuit protection, and over current protection.</p> <p>The TPS40053PWP is a versatile synchronous buck controller with integrated FETs that provides excellent performance and reliability in a cost-effective package. With its wide range of features and protection, it is suitable for automotive, industrial, and consumer applications.</p><h2>TPS40053PWP Application Field and Working Principle</h2><p>The TPS40053PWP is a high performance and cost-effective PMIC - Voltage Regulators - DC DC Swicthing Controllers. It is designed to drive both low and high power applications with excellent transient response and low output noise. It is suitable for applications such as PCU, secondary stage, point-of-load converters, automotive power supplies and industrial applications.</p><p>The TPS40053PWP features a synchronous buck PWM control with an adaptive frequency control, adjustable pre-bias start-up, leading edge modulation as well as other protection features. It has an extended operating frequency range from 200kHz to 2MHz and uses an internal voltage reference of 100mV for maximum efficiency. This device is compatible with a wide range of input and output voltages, from 2.3V to 20V. It also incorporates a “Turbo Mode” for higher switching frequency and faster transient response time.</p><p>The operating principle of the TPS40053PWP is based on a regulated peak frequency with a typical frequency of 200kHz. The controller is triggered by the current sense signal, and the switching frequency is adjusted according to the feedback error. The internal PWM comparator is used to generate the PWM control signal, and this signal is used to modulate the MOSFETs and regulate the output voltage. The output voltage is maintained by the comparator, which compares the output voltage with internal feedback voltage on the Sense pin.</p><p>The TPS40053PWP also offers a number of protection features to protect the device from damage or malfunction. These include over voltage protection, under voltage lockout, soft start, power-good signal, short circuit protection, and over current protection. The combination of these protection features ensures optimal operation at all times.</p><p>In summary, the TPS40053PWP is a high performance, low cost synchronous buck controller with integrated FETs. It provides excellent performance and reliability in a cost-effective package and is suitable for automotive, industrial, and consumer applications. With its wide range of features and protections, the TPS40053PWP is an ideal PMIC - Voltage Regulators - DC DC Swicthing Controllers for cost-sensitive applications.</p>

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