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Toshiba TCR3U LDO Regulators reduce the bias current required to operate LDO regulators at no-load compared with existing products. In addition, these devices have a bypass mode which ensures no sudden increase in bias current when input voltage drops below the preset output voltage level. This issue is a common problem in most typical LDOs. When batteries start depleting, an LDO’s input voltage could drop below the preset output voltage, which would then cause consumption to increase. The TCR3U series bypass mode makes sure this doesn’t happen.
While the battery portion of a design is vital for improving a product’s battery life, the current consumption of a design is also quite important. Standard sub blocks such as sensing and data communication are typically current hungry. Toshiba’s low bias current LDOs help reduce the passive drain that occurs during standby periods.
