MAX619ESA+
Analog Devices / Maxim Integrated
The Analog Devices MAX619ESA+ is a step-up charge pump DC-DC converter. It provides a regulated 5V output at up to 50mA from a 2V to 3.6V input range.
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5,000 pcs
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5000 pcs | On Request | 1 | On Request | On Request | On Request | On Request | On Request |
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The MAX619ESA is a compact step-up charge pump DC-DC converter designed for battery-powered applications. It delivers a regulated 5V output with ±4% accuracy, capable of supplying up to 50mA at a 3V input, and 20mA at a 2V input.
This device operates from an input voltage range of 2V to 3.6V, making it suitable for systems powered by two battery cells. It features an internal 500kHz oscillator and requires only four external capacitors, enabling an ultra-small application circuit occupying less than 0.1in² of board space. The charge pump topology eliminates the need for inductors, resulting in very low EMI noise.
Key features include a low shutdown supply current of 1mA max, with the load disconnected from the input when shut down. The MAX619ESA is available in an 8-pin SOIC package, suitable for surface mounting.
Applications include local 3V-to-5V conversion, 5V flash memory programmers, and regulated 5V supplies from lithium backup batteries.
| Qty | Low | High |
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| 1+ | $1.08 | $1.08 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The MAX619ESA provides a fixed regulated output voltage of 5V ±4%.
The input voltage range is 2V to 3.6V.
The maximum output current is 50mA when the input voltage is 3V or higher, and 20mA when the input voltage is 2V or higher.
The operating temperature range is -40°C to +85°C.
The MAX619ESA is available in an 8-SOIC surface-mount package (0.154" width, 3.90mm width).
The switching frequency is 500kHz.