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LT1579CGN-3.3#PBF
The LT1579 is a dual input, single output, low dropout regulator. This device is designed to provide an uninterruptible output voltage from two independent input voltage sources on a priority basis. All of the circuitry needed to switch smoothly and automatically between inputs is incorporated. The LT1579 can supply 300mA of output current from either input at a dropout voltage of 0.4V. Quiescent current is 50µA, dropping to 7µA in shutdown. Two comparators are included to monitor input voltage status. Two additional status flags indicate which input is supplying power and provide an early warning against loss of output regulation when both inputs are low. A secondary select pin is provided so that the user can force the device to switch from the primary input to the secondary input. Internal protection circuitry includes reverse-battery protection, current limiting, thermal limiting and reverse-current protection. The device is available in fixed output voltages of 3V, 3.3V and 5V, and as an adjustable device with a 1.5V reference voltage. The LT1579 regulators are available in narrow 16-lead SO and 16-lead SSOP packages with all features, and in SO-8 with limited features. Applications Dual Battery Systems Battery Backup Systems Automatic Power Management for Battery-Operated Systems
Availability: In Stock
Package Type: SSOP-16
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| Verification | Issues | Specs | Pricing |
Specifications for the LT1579CGN-3.3#PBF
| Part Name | LT1579CGN-3.3#PBF |
| Manufacturer | Analog Devices |
| Product Category | Positive Linear Regulators (LDO) |
| Package | QSOP 150 MIL |
| MOQ | 1 |
| RoHS value | Yes |
| Part Launch Date | 2/11/1997 5:00:00 AM |
| Temperature Range | 0 to 70C |
| Product Link | https://www.analog.com/en/products/lt1579.html?ADICID=SYND_WW_P682800_PF-snapeda |
| Pins | 16 |
| Product Lifecycle | Production |
| RoHS | Yes |
| Formats Available for Symbols and Footprints |
Altium, Eagle, KiCAD, Cadence OrCad/Allegro, PADS, DxDesigner, PCB123, Pulsonix, Proteus |
| Datasheet | See Datasheet PDF |
Inventory for the LT1579CGN-3.3#PBF by Analog Devices from major distributors.
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