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< 98%,5V to 25V Input Voltage Range,Dual Adjustable Output :,CH1 : 2V to 5.5V,CH2 : 2V to 4V,5V/3.3V LDOs with 100mA Output Current,1% Accuracy on 3.3V LDO Output,Oscillator Driving Output for Charge Pump Application,Support Audio-Skipping Mode \(ASM\),Internal Frequency Setting,300kHz/355kHz \(CH1/CH2\),Internal Soft-Start and Soft-Discharge,4700ppm/C RDS\(ON\) Current Sensing,Independent Switcher Enable Control,Built-in OVP/UVP/OCP/OTP,Non-Latch UVLO,Power Good Indicator)/Subject(The RT6575C/D is a dual-channel step-down controller generating supply voltages ,for battery-powered systems. It includes two Pulse-Width Modulation \(PWM\) ,controllers adjustable from 2V to 5.5V, and two fixed 5V/3.3V linear ,regulators. Each linear regulator provides up to 100mA output current and 3.3V ,linear regulator provides 1% accuracy under 35mA. The RT6575C/D has an ,oscillator output to drive the external charge pump application. Other features ,include on-board power-up sequencing, a power-good output, internal soft-start, ,and soft-discharge output that prevents negative voltage during shutdown.A ,constant current ripple PWM control scheme operates without sense resistors and ,provides 100ns response to load transient. For maximizing power efficiency, the ,RT6575C/D automatically switches to the diode-emulation mode in light load ,applications. To eliminate noise in audio applications, an audio-skipping mode ,is included, which maintains the switching frequency above 25kHz. The RT6575C/D ,is available in the WQFN-20L 3x3 package.,,)>>
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Notebook and Sub-Notebook Computers
Notebook and Sub-Notebook Computers
System Power Supplies
2-Cell to 4-Cell Li+ Battery-Powered Devices
Support Connected Standby Mode for Ultrabook
Support Connected Standby Mode for Ultrabook
CCRCOT Control with 100ns Load Step Response
PWM Maximum Duty Ratio > 98%
5V to 25V Input Voltage Range
Dual Adjustable Output :
CH1 : 2V to 5.5V
CH2 : 2V to 4V
5V/3.3V LDOs with 100mA Output Current
1% Accuracy on 3.3V LDO Output
Oscillator Driving Output for Charge Pump Application
Support Audio-Skipping Mode (ASM)
Internal Frequency Setting
300kHz/355kHz (CH1/CH2)
Internal Soft-Start and Soft-Discharge
4700ppm/°C RDS(ON) Current Sensing
Independent Switcher Enable Control
Built-in OVP/UVP/OCP/OTP
Non-Latch UVLO
Power Good Indicator
Dual-Channel Synchronous DC/DC Step-Down Controller with 5V/3.3V LDOs
The RT6575C/D is a dual-channel step-down controller generating supply voltages ,for battery-powered systems. It includes two Pulse-Width Modulation (PWM) ,controllers adjustable from 2V to 5.5V, and two fixed 5V/3.3V linear ,regulators. Each linear regulator provides up to 100mA output current and 3.3V ,linear regulator provides 1% accuracy under 35mA. The RT6575C/D has an ,oscillator output to drive the external charge pump application. Other features ,include on-board power-up sequencing, a power-good output, internal soft-start, ,and soft-discharge output that prevents negative voltage during shutdown.A ,constant current ripple PWM control scheme operates without sense resistors and ,provides 100ns response to load transient. For maximizing power efficiency, the ,RT6575C/D automatically switches to the diode-emulation mode in light load ,applications. To eliminate noise in audio applications, an audio-skipping mode ,is included, which maintains the switching frequency above 25kHz. The RT6575C/D ,is available in the WQFN-20L 3x3 package.,,
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