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LDO from Diodes Incorporated Boosts Drive Capability
PLANO, TX –
Diodes Incorporated has introduced a pair of ultra low dropout (LDO) linear regulators, capable of delivering a continuous 3.0A output for a dropout voltage of just 0.23mV. With maximum input voltages of 3.65V and 5.5V, respectively, the AP7175 and AP7176B provide an adjustable output voltage suitable for high-efficiency systems in a wide range of products including notebooks, PCs and set-top boxes.
To meet the sequencing requirements of FPGAs, DSPs and other digital devices, both LDOs provide an enable input and power-good output, allowing users to configure custom power management solutions with different start-up and power-down characteristics. When disabled, the devices also facilitate automatic discharge of the output voltage stored on the output capacitor, thereby improving system reliability.
The AP7175 and AP7176B also integrate a soft-start function that reduces in-rush current during the start-up period, which is typically 0.6ms. In addition, the LDOs’ on-board current limit, short-circuit and thermal shutdown protection functions ensure that connected loads are fully protected against any possible current excesses.
Both LDOs are provided in the reduced thermal impedance, industry-standard SO-8EP and smaller form factor MSOP-8EP exposed pad packages. These packages reduce the junction-to-case temperature differential, enabling the devices to deliver high load currents over their whole -40ºC to +85ºC ambient temperature range. The AP7175 and AP7176B are priced at $0.15 USD each in 1k quantities. Further information is available at
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