LTC3553EPD

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The LTC3553EPD is a high efficiency, 3V to 5V DC/DC boost converter developed by Linear Tech. It is specifically designed for powering embedded displays in battery powered applications, such as smartphones and PDAs. The LTC3553EPD is an integrated power management solution that combines an internally regulated switching boost converter with an ultra-low quiescent current LDO, both of which are controlled by a single enable pin. This makes the LTC3553EPD an ideal choice for applications requiring high efficiency, low noise, and long battery life.

The LTC3553EPD is a versatile power management solution that combines a boost converter and low quiescent current LDO. The internal boost converter can deliver up to 500 mA of current, while the LDO can provide up to 100 mA of current. The enable pin can be used to turn the LDO and boost converter on and off, or a low ripple Pulse Width Modulation (PWM) can be used to control the output voltage. This allows for dynamic power management, allowing the LTC3553EPD to provide the embedded display with the appropriate voltage for the current load.

The LTC3553EPD is designed to be fully compliant with the internationally approved Electrical Code of Practice, IEC 60950-1. This ensures that the device meets all relevant safety and performance standards, providing optimal reliability and safety. The device also includes under/over voltage protection, and thermal shutdown to protect against any unexpected power surges.

The LTC3553EPD can operate from a wide range of input voltage sources, and can be used in various power management configurations. When used as an ultra-low quiescent current LDO, the device can provide up to 1.1V at up to 200µA quiescent current, and the internal compensation loop adjusts the LDO to maintain accurate voltage regulation. When used as a boost converter, the device can deliver up to 500mA of output current from a 3V to 5V input source. This allows for a wide range of applications and makes the LTC3553EPD an ideal choice for supplying power to embedded displays.

The LTC3553EPD combines the benefits of both a low quiescent current LDO and a boost converter while reducing the complexity of achieving long battery life in embedded display applications. Its flexible power management capabilities, compliant safety and performance standards, and wide input voltage range make the LTC3553EPD well suited for power management applications in the embedded display market.

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