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Constant Frequency Current-Mode Step-Down DC-to-DC Controller in TSOT
Analog Devices Inc.
Description
The ADP1864 is a compact, inexpensive, constant-frequency current-mode step-down dc-to-dc controller. The ADP1864 drives a P-channel MOSFET that regulates an output voltage as low as 0.8 V with ±2% ...
Features
Wide input voltage range: 3.15 V to 14 V Wide output voltage range: 0.8 V to input voltage Pin-to-pin compatible with LTC1772, LTC3801 Up to 94% efficiency 0.8 V ± 1.25% reference accuracy over temperature Internal soft start 100% duty cycle for low dropout voltage Current-mode operation for good line and load transient response 7 ?A shutdown current 235 ?A quiescent supply current Short-circuit and overvoltage protection Small 6-lead TSOT package
Related Datasheets
| Part Number | Description | Category |
| • ADP1621 | Constant-Frequency, Current-Mode Step-Up DC/DC Controller | ICs, Interface |
| • ADP1821 | Step-Down DC-to-DC Controller | ICs, Interface |
| • ADP1822 | PWM, Step-Down DC-to-DC Controller with Margining and Tracking | ICs, Interface |
| • ADP1823 | Dual, Interleaved, Step-Down DC-to-DC Controller with Tracking | ICs, Interface |
| • ADP1828 | Synchronous Buck PWM, Step-Down, DC-to-DC Controller | ICs, Interface |
| • ADP1829 | Dual, Interleaved, Step-Down DC-to-DC Controller with Tracking | ICs, Interface |
| • ADP1864 | Constant Frequency Current-Mode Step-Down DC-to-DC Controller in TSOT | ICs, Interface |
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