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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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XC9504B092DAL 데이터시트(PDF) 1 Page - Torex Semiconductor |
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XC9504B092DAL 데이터시트(HTML) 1 Page - Torex Semiconductor |
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1 / 53 page  1/53 XC9504 Series 2 ch. Step-Up / Inverting DC/DC Controller ICs ■GENERAL DESCRIPTION The XC9504 series are PWM control, PWM/PFM switching, 2 channel (step-up and inverting) DC/DC controller ICs. With 0.9V of standard voltage supply internal, and using externally connected components, the output 1 voltage (step-up DC/DC controller) can be set freely within a range of 1.5V ~ 30V. Since output 2 (inverting DC/DC controller) has a built-in 0.9V reference voltage (accuracy ±2%), a negative voltage can be set with the external components. With a 180kHz frequency, the size of the external components can be reduced. Oscillation frequencies of 300kHz are also available as custom designed products. The control of the XC9504 series can be switched between PWM control and PWM/PFM automatic switching control using external signals. Control switches from PWM to PFM during light loads when automatic switching is selected and the series is highly efficient from light loads through to large output currents. Noise is easily reduced with PWM control since the frequency is fixed. The series gives freedom of control selection so that control suited to the application can be selected. Soft-start time is internally set to 10ms (output 1) which offers protection against rush currents and voltage overshoot when the power is switched on. ■APPLICATIONS ●Power supplies for LCD ●PDAs ●Palm top computers ●Portable audio systems ●Various multi-function power supplies ■FEATURES 2ch. DC/DC Controller (Step-Up + Inverting) <Output 1: Step-Up DC/DC Controller> Output Voltage Range : 1.5V ~ 30V (set by FB1 pin) Output Current : More than 20mA (VIN=3.3V, VOUT=15V) Soft-Start Internally Set-Up <Output 2: Inverting DC/DC Controller > Output Voltage Range : -30V ~ 0V (set by FB2 pin) Output Current : ≧-20mA (VIN=3.3V, VOUT=-7.0V) <Common> Supply Voltage Range : 2.0V ~ 10.0V Input Voltage Range : 0.9V ~ 10.0V Oscillation Frequency : 180kHz (±15%) *300kHz, 500kHz custom Maximum Duty Cycle : 80% (TYP.) Control Method : PWM or PWM/PFM Selectable Stand-by Function : 3.0 μF(MAX.) Packages : MSOP-10, USP-10 ■TYPICAL PERFORMANCE CHARACTERISTICS ■TYPICAL APPLICATION CIRCUIT ＜XC9504B092A Input: 3.3V, Output ①: 15V, Output ②: -7V＞ ☆Green Operation Compatible ETR0704_001 ●Output Voltage vs. Output Current |
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