RT8120A SOP8
General Description
The RT8120 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
RT8120 uses a single feedback loop voltage mode PWM
control for fast transient response. An oscillator with fixed
frequency 300kHz reduces the external inductor and
capacitor component size for saving PCB board area. The
RT8120 provides fast transient response to satisfy high
current output applications while minimizing external
components. It is suitable for high performance graphic
processors, DDR and VTT power. The RT8120 incorporates
an externally compensated error amplifier and an internal
soft-start and output enable. The RT8120 comes in
SOP-8 and SOP-8 (Exposed Pad) packages.
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توضیحات
RT8120A SOP8
Features
Wide Input Voltage Range : 3V to 13.2V
Embedded Switching Boot Diode
0.8V ±1%, 0.6V ±1.5% Internal Reference
Shoot-Through Protection and Short Pulse Free
Technology for Gate Drivers
Fixed Frequency 300kHz
Internal Soft-Start
Over Current Protection by Sensing MOSFET RDS(ON)
Enable/Shutdown Control
Drives Two N-MOSFETs
Full Duty Cycle : 0% to 85%
Fast Transient Response
Voltage Mode PWM Control with External
Feedback Loop Compensation
Pinless LGATE Over Current Setting (LGOCS)
Under Voltage Protection
SOP-8 and SOP-8 (Exposed Pad) Packages
RoHS Compliant and Halogen Free
Applications
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
توضیحات تکمیلی
| کیفیت |
original |
|---|---|
| Package |
SOP-8 |
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