Frequency - Switching:	200kHz
Base Part Number:	CS51033
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Operating Temperature:	0°C ~ 70°C (TA)
Control Features:	Frequency Control, Soft Start
Serial Interfaces:	--
Clock Sync:	No
Synchronous Rectifier:	No
Duty Cycle (Max):	83.3%
Series:	--
Voltage - Supply (Vcc/Vdd):	3 V ~ 16 V
Output Phases:	1
Number of Outputs:	1
Topology:	Buck
Output Configuration:	Positive
Function:	Step-Down
Output Type:	Transistor Driver
Part Status:	Obsolete
Packaging:	Tube

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CS51033GD8G Application Field and Working Principle

Introduction

The CS51033GD8G is a one-time programmable linear regulator with burst mode output that offers excellent EMI reduction and cost savings compared to a conventional system with an integrated linear regulator. The CS51033GD8G offers a simple and cost-effective solution for a wide range of end applications, including medical, automotive and industrial applications.

Application Fields

The CS51033GD8G offers a range of features and benefits that make it suitable for a wide range of applications, from industrial and medical to automotive. The regulator is capable of providing power supplies with a low output voltage ripple, offering excellent EMI reduction, improved efficiency, and cost savings. The CS51033GD8G is suitable for applications such as power modules, DC-DC converters and other consumer electronics, mobile phones and tablets, home appliances and many other end products.

Working Principle

The CS51033GD8G is a programmable regulator that works by using a fixed set of controls to adjust the output voltage. It uses a low-noise pulse-width modulation (PWM) control technique to achieve a low output voltage ripple. The PWM control technique works by monitoring the output voltage of the regulator and then adjusting the duty cycle of the output pulses so that the output voltage remains at the desired level. It also provides burst mode operation to help reduce quiescent current consumption.The CS51033GD8G is comprised of four main components: a voltage regulator, a PWM controller, a bootstrap-based output bridge, and a power switch. The voltage regulator is responsible for setting the desired voltage, while the PWM controller is used for controlling the output voltage ripple. The bootstrap-based output bridge and power switch are used for controlling the power delivery to the load. The main components of the regulator are connected together in an integrated circuit, which allows it to be easily programmed using an I2C or SPI interface.

Conclusion

The CS51033GD8G is a one-time programmable linear regulator with burst mode output that offers excellent EMI reduction and cost savings compared to a conventional system with an integrated linear regulator. Its wide range of features and benefits make it suitable for a variety of applications, from medical and automotive to industrial. Its PWM control technique helps reduce the output voltage ripple and its power switch helps reduce the quiescent current consumption. The CS51033GD8G is classified as a PMIC - Voltage Regulators - DC DC Switching Controllers.

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