EMD2794 source equivalent, regulated switched capacitor led current source.
* Regulated current sources with ±0.5% matching
High efficiency 3/2 boost function Drives one to four white LEDs. 2.7V to 5.5V input range
Up to 80mA output current.
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White LED Display Backlights White LED Keypad Backlights 1-Cell Li-Ion battery-operated equipment inc.
The EMD2794/EMD2795 is a 1.5x/1.0x charge pump that provides four regulated current sources. It accepts an input voltage range from 2.7V to 5.5V and maintains a constant current determined by an external resistor. The EMD2794/EMD2795 delivers up to 8.
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