(Hong Kong)
Product Summary
The TPS650250RHBR is an integrated Power Management IC for applications powered by one Li-Ion or Li-Polymer cell, which require multiple power rails. The TPS650250RHBR provides three highly efficient, step-down converters targeted at providing the core voltage, peripheral, I/O and memory rails in a processor based system. All three step-down converters enter a low power mode at light load for maximum efficiency across the widest possible range of load currents. The converters can be forced into fixed frequency PWM mode by pulling the MODE pin high. The TPS650250RHBR can be applied in cellular/smart phone gps, digital still camera, split supply dsp and μp solutions, and samsung arm-based processors, etc.
Parametrics
TPS650250RHBR absolute maximum ratings: (1)Input voltage range on all pins except A/PGND pins with respect to AGND: –0.3 to 7 V; (2)Voltage range on pins: –0.3 to 3.6 V; (3)Peak current at all other pins: 500 mA; (4)Operating free-air temperature: –40 to 85°C; (5)Maximum junction temperature: 125°C; (6)Storage temperature: -65 to 150°C.
Features
TPS650250RHBR features: (1)1.6A, 97% efficient step-down converter for system voltage; (2)0.8a, up to 95% efficient step-down converter for memory voltage; (3)0.8a, 90% efficient step-down converter for processor core; (4)adjustable output voltage on vdcdc3; (5)30ma ldo for vdd_alive; (6)2×200ma general purpose ldos; (7)dynamic voltage management for processor core; (8)ldo1 and ldo2 voltage externally adjustable; (9)separate enable pins for inductive converters; (10)2.25mhz switching frequency; (11)85μa quiescent current; (12)thermal shutdown protection.
Diagrams
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 TPS650250RHBR |
Texas Instruments |
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