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LT8609IMSE#TRPBF, Switching Voltage Regulators 42V, 2A/3A Peak Sync Buck Reg w/ 2.5uA
Semiconductors\Power Management ICs\Voltage Regulators & Voltage Controllers\Switching Voltage Regulators
LT8609 is a compact, high efficiency, high speed synchronous monolithic step-down switching regulator that consumes only 1.7µA of non-switching quiescent current. It can deliver 3A of continuous current. Burst mode operation enables high efficiency down to very low output currents while keeping the output ripple below 10mVP-P. A SYNC pin allows synchronization to an external clock, or spread spectrum modulation for low EMI operation. Internal compensation with peak current mode topology allows the use of small inductors and results in fast transient response and good loop stability. The EN/UV pin has an accurate 1V threshold and can be used to program VIN UVLO or to shut down the part. A capacitor on the TR/SS pin programs the output voltage ramp rate during start-up while the PG flag signals when VOUT is within ±8.5% on the adjustable output parts or ±7.5% on the fixed output parts of the programmed output voltage as well as fault conditions.
• Pulse skipping mode, burst mode operation, fast switch edge mode
• Wide input voltage range from 3V to 42V, ultralow quiescent current Burst Mode® operation
• Typical oscillator frequency of 200KHz (RT = 221k, ILOAD = 0.5A)
• 3A maximum continuous output, fast minimum switch-on time of 45ns
• Adjustable and synchronizable: 200KHz to 2.2MHz, spread spectrum frequency modulation for low EMI
• Allows use of small inductor, low drop-out peak current mode operation
• Accurate 1V enable pin threshold, internal compensation, output soft-start and tracking
• AEC-Q100 qualified for automotive applications
• 10-lead plastic MSOP package, -40°C to 125°C temperature range
• Suitable for use in GSM transceivers, general purpose step-down, low EMI step-down
| Выходной Ток | 3А |
| Количество Выводов | 10вывод(-ов) |
| Количество Выходов | 1выход(-ов) |
| Корпус ИС DC / DC Преобразователя | MSOP-EP |
| Максимальная Рабочая Температура | 125°C |
| Максимальное Входное Напряжение | 42В |
| Минимальное Входное Напряжение | 3В |
| Минимальное Выходное Напряжение | 800мВ |
| Топология (Общая Схема Соединений) | Синхронный Понижающий(Step Down) |
| Уровень Чувствительности к Влажности (MSL) | MSL 1-Безлимитный |
| Частота Коммутации | 2МГц |
