SIP2804DY-T1-E3

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The SIP2804DY-T1-E3 is a highly efficient pulse-width modulation (PWM) controller designed for off-line buck converters and step-down switching regulators. It consists of an integrated power MOSFET, low-side driver, high-side driver, voltage reference, and error amplifier. This PMIC (Power Management IC) component facilitates high power density, low power loss, and precise regulation of the output voltage. The SIP2804DY-T1-E3 is suitable for consumer and industrial applications.

Application field:

• Power supplies and power adapters.
• Telecommunications and network infrastructure.
• Industrial and consumer products.

Working principle:

The SIP2804DY-T1-E3 has a wide range of operating conditions, making it a great choice for power management applications. The internal PWM controller regulates the output voltage based on a voltage reference and an external error amplifier. The PWM signal drives the internal power MOSFET, which controls the output voltage. The SIP2804DY-T1-E3 can deliver output currents up to 4A, and operates over a wide input voltage range of 15V to 60V. It also has a low start up current of 0.015mA, enabling very low power losses and high power efficiency.

The SIP2804DY-T1-E3 features soft-start, under-voltage lockout, and over-voltage protection for improved system reliability in a variety of applications. The device also has an integrated over-current protection (OCP) circuit to limit the output current. The OCP circuit latches the output switch, providing robust protection against short circuits.

In order to maximize the power efficiency and reduce the operating temperature, the device includes a current-mode control. This eliminates the need for an external power factor correction (PFC) circuit, further reducing the component count and system cost.

The SIP2804DY-T1-E3 is available in an 11-pin mega SIP package, making it ideal for space-constrained designs. The device also has an integrated thermal shutdown protection, which provides improved reliability and protection of the system from excessive temperatures.

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