RT8120AGSP

RT8120AGSP, single-phase synchronous buck PWM DC/DC controller, QFN, 15V, 0.833W, 2KV

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PartNumber:: RT8120AGSP

Brand:: Richtek Technology Corporation - richtek | Pack: QFN | D/C: 12+

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Products Upload time: 2012-11-15

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Product Summary

The RT8120AGSP is a single-phase synchronous buck PWM DC/DC controller designed to drive two N-MOSFET. It provides a highly accurate, programmable output voltage precisely regulated to low voltage requirements with an internal 0.8V ±1% (option for 0.6V ±1.5%) reference. The RT8120AGSP uses a single feedback loop voltage mode PWM control for fast transient response. An oscillator with fixed frequency 300 kHz reduces the external inductor and capacitor component size for saving PCB board area. The applications of the RT8120AGSP include System (Graphic, MB) with 5V or 12V Power, Graphic Cards (AGP 8X, 4X, PCI Express*16), 3.3V to 12V Input DC/DC Regulators, Low Voltage Distributed Power Supplies.

Parametrics

RT8120AGSP absolute maximum ratings: (1)VCC to GND, VCC: 15V; (2)BOOT to PHASE, VBOOT-PHASE: 15V; (3)PHASE to GND DC: -0.5V to 15V; (4)＜20ns: -8V to 25V; (5)UGATE to PHASE DC: -0.3V to (VBOOT-PHASE + 0.3V); (6)＜20ns: -5V to (VBOOT-PHASE + 5V); (7)LGATE to GND DC: -0.3V to (VCC + 0.3V); (8)＜20ns: -5V to (VCC + 5V); (9)Other Pins: -0.3V to 7V; (10)Power Dissipation, PD @ TA = 25℃ SOP-8: 0.833W; (11)SOP-8 (Exposed Pad): 1.333W; (12)Package Thermal Resistance (Note 2) SOP-8, θJA: 120℃/W; (13)SOP-8 (Exposed Pad), θJA: 75℃/W; (14)SOP-8 (Exposed Pad), θJC: 15℃/W; (15)Lead Temperature (Soldering, 10 sec.): 260℃; (16)Junction Temperature: 150℃; (17)Storage Temperature Range: -65℃ to 150℃; (18)ESD Susceptibility (Note 3) HBM (Human Body Model): 2kV.

Features

RT8120AGSP features: (1)Wide Input Voltage Range : 3V to 13.2V; (2)Embedded Switching Boot Diode; (3)0.8V ±%, 0.6V ±1.5% Internal Reference; (4)Shoot-Through Protection and Short Pulse Free Technology for Gate Drivers; (5)Fixed Frequency 300kHz; (6)Internal Soft-Start; (7)Over Current Protection by Sensing MOSFET RDS(ON); (8)Enable/Shutdown Control; (9)Drives Two N-MOSFETs; (10)Full Duty Cycle : 0% to 85%; (11)Fast Transient Response; (12)Voltage Mode PWM Control with External Feedback Loop Compensation; (13)Pinless LGATE Over Current Setting (LGOCS); (14)Under Voltage Protection; (15)SOP-8 and SOP-8 (Exposed Pad) Packages; (16)RoHS Compliant and Halogen Free.