Home > Products > INTERSIL > INTERSIL ISL6228HRTZ I62 28HRTZ ISL6228 6228HRTZ QFN High-Performance Dual-Output Buck Controller for Notebook Applications
INTERSIL ISL6228HRTZ I62 28HRTZ ISL6228 6228HRTZ QFN High-Performance Dual-Output Buck Controller for Notebook Applications
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Product Details
| D/C | 10+ | Package | QFN | |
| Model Number | ISL6228HRTZ | Type | Drive IC | |
| Brand Name | INTERSIL | Place of Origin | Taiwan, China |
Product Description
Product Description
Product Description
The ISL6228 IC is a dual channel synchronous-buck PWM controller featuring Intersil's Robust Ripple Regulator (R3) technology that delivers truly superior dynamic response to input voltage and output load transients. Integrated MOSFET drivers and bootstrap diodes result in fewer components and smaller implementation area.
Intersil's R3 technology combines the best features of fixedfrequency and hysteretic PWMs while eliminating many of their shortcomings. R3 technology employs an innovative modulator that synthesizes an AC ripple voltage signal VR, analogous to the output inductor ripple current. The AC signal VR enters a window comparator where the lower threshold is the error amplifier output VCOMP, and the upper threshold is a programmable voltage reference VW, resulting in generation of the PWM signal. The voltage reference VW sets the steady-state PWM frequency. Both edges of the PWM can be modulated in response to input voltage transients and output load transients, much faster than conventional fixedfrequency PWM controllers. Unlike a conventional hysteretic converter, each channel of the ISL6228 has an error amplifier that provides ±1% voltage regulation at the FB pin.
The ISL6228 has a 1.5ms digital soft-start and can be started into a pre-biased output voltage. A resistor divider is used to program the output voltage setpoint. The ISL6228 operates in continuous-conduction-mode (CCM) in heavy load, and in diode-emulation-mode (DEM) in light load to improve light-load efficiency. In CCM, the controller always operates as a synchronous rectifier. In DEM, the low-side MOSFET is permitted to stay off, blocking negative current flow into the low-side MOSFET from the output inductor.
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Packaging: Safety package(Carton)
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Our Services
Warranty:
1.Our side always double check all the products before delivery to make sure correct.
2.All components we sell has 30 days return policy from the day of shipment, but if the damage is man-made, we will be unable to change for you.
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- Shenzhen Visen Electronic Co., Ltd.
- Contact nameVISEN SZ Chat Now
- Address, Shenzhen, Guangdong
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