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KF33BDT-TR Datasheet(PDF) 1 Page - STMicroelectronics |
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KF33BDT-TR Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 21 page This is information on a product in full production. 19 March 2014 DocID4337 Rev 13 1/21 KFXX Very low drop voltage regulators with inhibit Datasheet - production data Features • Very low dropout voltage (0.4 V) • Very low quiescent current (typ. 50 µA in OFF mode, 500 µA in ON mode) • Output current up to 500 mA • Logic-controlled electronic shutdown • Output voltages of 2.5; 3.3; 5; 8 V • Internal current and thermal limit • Only 2.2 µF for stability • Available in ± 2 % accuracy at 25 °C • Supply voltage rejection: 70 db (typ.) • Temperature range: - 40 to 125 °C Description The KF series are very low drop regulators available in SO-8 and DPAK packages and in a wide range of output voltages. The very low dropout voltage (0.4 V) and the very low quiescent current make them particularly suitable for low noise, low power applications and especially in battery powered systems. A shutdown logic control function is available (pin 5, TTL compatible). This means that when the device is used as a local regulator, it is possible to put a part of the board in standby, decreasing the total power consumption. It requires only a 2.2 µF capacitor for stability allowing space and cost saving. DPAK SO-8 Table 1. Device summary Order codes Output voltages SO-8 (tape and reel) DPAK (tape and reel) KF25BD-TR KF25BDT-TR 2.5 V KF33BD-TR KF33BDT-TR 3.3 V KF50BD-TR KF50BDT-TR 5 V KF80BDT-TR 8 V www.st.com |
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