MAX1582ETC+T

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MAX1582ETC+T is a current-mode step-up LED driver controller featuring pulse width modulation (PWM) operation. It combines low quiescent current with a wide dimming range and is suited for battery-powered LED and general lighting applications.

This device uses a highly integrated solution with an internal current mode Pulse Width Modulation (PWM) control block. This means that only a few external components are required to construct an efficient step-up DC/DC converter.

The MAX1582ETC+T device comprises a current-mode PWM controller that operates with a current control loop. The current sensing scheme can provide excellent load line tracking and a wide dimming range from 100mV to 3.6V. This makes the device ideal for LED lighting applications, where this wide dimming range can be used to generate a smooth and continuous dimming effect.

The device also provides over-current protection (OCP) and thermal shutdown circuits for maximum safety and reliability. This makes it suitable for applications that require a high level of protection. An optional soft-start feature helps prevent output surges and inrush currents during start-up.

A unique feature of the MAX1582ETC+T is that it can be configured to operate in either a constant voltage or constant current mode. This is of particular use in LED applications, where the user wants to adjust the LED current as well as the LED intensity. The user can also adjust the switching frequency of the PWM pulse to achieve the desired effect.

The MAX1582ETC+T is highly efficient, with a switching frequency of up to 2MHz and a regulated output voltage of up to 18V. Its operating temperature range is from -40°C to +85°C. It is available in a small 8-pin TSOPJW package.

In summary, the MAX1582ETC+T is an ideal choice for LED lighting applications that require a wide dimming range, excellent load line tracking and low quiescent current. Its highly integrated design and wide operating range make it suitable for battery-powered LED systems and general lighting applications.

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