Регуляторы напряжения - Импульсные регуляторы LM21215AMHE-1/NOPB

Импульсный понижающий DC-DC стабилизатор , регулируемый, 2.95В-5.5В (Vin), 600мВ-5.5В, 15А, HTSSOP-20

The LM21215AMHE-1/NOPB is a synchronous buck DC-to-DC Converter delivers up to 15A of output current at output voltages as low as 0.6V. Operating over an input voltage range of 2.95 to 5.5V with ultra-high efficiency, the LM21215A suits a wide variety of low voltage systems. The voltage-mode control loop with high gain-bandwidth error amplifier provides high noise immunity, narrow duty cycle capability and is easily compensated for stable operation with any type of output capacitor, providing maximum flexibility and ease of use. The LM21215A features internal overvoltage protection (OVP) and cycle-by-cycle overcurrent protection (OCP) for increased system reliability. A precision enable pin and integrated UVLO allow turn-ON of the device to be tightly controlled and sequenced. Startup inrush currents are limited by an internally-fixed or externally-adjustable soft-start circuit. An integrated open-drain PGOOD indicator provides fault reporting and supply sequencing.

• Integrated 7mR PMOS buck switch supports 100% duty cycle for low dropout voltage
• Integrated 4.3mR NMOS synchronous rectifier
• Eliminates Schottky diode
• Accurate ±1% internal voltage reference
• Automatic diode emulation mode for improved efficiency at light loads
• Monotonic pre-biased startup
• Internal 0.5ms or externally adjustable soft-start
• Output voltage tracking capability
• Ultrafast line and load transient response - Voltage-mode PWM control
• Precision enable with hysteresis

• Integrated OVP, UVP, OCP and UVLO
• Open-drain power good indicator
• Thermal shutdown protection with hysteresis
• Green product and no Sb/Br

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Связь и Сеть, Управление Питанием, Компьютеры и Периферия