STI3452H 1MHz, 18V, 2.0A Synchronous Step-Down Converter
■The STI3452H is a high efficiency 1MHz current mode constant on-time (CM-COT) control mode synchronous step-down DC-DC converter capable of delivering 2A current. STI3452H integrates main switch and synchronous switch with very low R-DS(ON) to minimize the conduction loss. Low output voltage ripple and small external inductor and capacitor size are achieved with 1MHz switching frequency. It adopts the CM-COT architecture to achieve fast transient responses for high voltage step down applications.
■The STI3452H requires a minimum number of readily available standard external components and is available in a space saving 6-pin SOT563 ROHS compliant package.
●FEATURES：
■High Efficiency: Up to 93%(@3.3V)
■1MHz Frequency Operation
■Up to 2.0A Output Current
■Low R-DS(ON) for internal switches: 90mΩ/45mΩ (top/bottom)
■4.5V to 18V Input Voltage Range
■0.805V Reference
■Current mode COT control to achieve fast transient responses
■Integrated internal compensation
■Stable with Low ESR Ceramic Output Capacitors
■Over Current Protection with Hiccup Mode
■Thermal Shutdown
■Inrush Current Limit and Soft Start
■Available in SOT563 Package
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| 世强硬创平台www.sekorm.com | |
| 世强硬创平台www.sekorm.com |
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1.5MHz FPWM Synchronous Step-Down Converter SL2359 with 4.5V to 30V Wide Input Range and High Output Current Up to 1.2A
2024-02-20 - Product Introduction The SL2359 is a high efficiency 1.5MHz, synchronous step-down DC-DC converter capableof delivering up to 1.2A current with force PWM operation and adopts COT control with fast transient response performance. SL2359 integrates both high and low side switch with low RDS(ON) to minimize the conduction loss. Low output voltage ripple and small external inductor and capacitor size are achieved with 1.5MHz switching.
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