Product Summary

The LD2979M28TR is a very low drop regulator available in SOT23-5L.The very low drop-voltage and the very low quiescent current make the LD2979M28TR particularly suitable for low noise, low power applications and in battery powered systems.Shutdown logic control function is available on five pin version (TTL compatible). This means that when the LD2979M28TR is used as local regulator, it is possible to put a part of the board in standby, decreasing the total power consumption.

Parametrics

LD2979M28TR absolute maximum ratings: (1)VI DC input voltage: 16 V; (2)VINH DC inhibit input voltage: VIN V; (3)IO Output current: Internally limited; (4)PD Power dissipation: Internally limited; (5)TSTG Storage temperature range: -40 to 150℃; (6)TOP Operating junction temperature range: -25 to 125℃.

Features

LD2979M28TR features: (1)Very low dropout voltage (0.2 V typ. at 50 mA load); (2)Very low quiescent current (typ. 500 μA at 50 mA load); (3)Output current up to 50 mA; (4)Logic-controlled electronic shutdown; (5)Output voltages of 3.0; 3.3; 3.8; 5.0 V; (6)Internal current and thermal limit; (7)Supply voltage rejection: 63 dB (typ); (8)Only 1 μF for stability; (9)Selection at 25℃; (10)Temperature range: -25 to 125℃; (11)Package available: SOT23-5L.

Diagrams

LD2979M28TR block diagram

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