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XC9505 - Step-up / Inverting DC/DC Controller

General Description

XC9505 series are PWM controlled, PWM/PFM switching 2 channel (step-down and inverting) DC/DC controller ICs.

With 0.9V of internal standard voltage supply, and using externally connected components, the output 1 voltage (step-down DC/DC controller) can be set freely within a range of 0.9V to 6.0V.

Key Features

  • ch. DC/DC Controller (Step-Down / Inverting) Output Voltage Range : 0.9V ~ 6.0V (set by FB1 pin) Output Current : More than 1000mA (VIN=5.0V, VOUT=3.3V) Maximum Duty Cycle : 100% Soft-Start Internally Set-Up Output Voltage Range : -30V ~ 0V (set by FB2 pin) Output Current : More than -100mA (VIN=5.0V, VOUT= - 3.3V) Maximum Duty Cycle : 80% Operating Voltage Range : 2.0V ~ 10.0V Oscillation Freq.

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Full PDF Text Transcription (Reference)

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XC9505 Series ETR07005-007 2ch. Step-Down / Inverting DC/DC Controller IC ☆Green Operation Compatible ■GENERAL DESCRIPTION XC9505 series are PWM controlled, PWM/PFM switching 2 channel (step-down and inverting) DC/DC controller ICs. With 0.9V of internal standard voltage supply, and using externally connected components, the output 1 voltage (step-down DC/DC controller) can be set freely within a range of 0.9V to 6.0V. 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 180 kHz frequency, the size of the external components can be reduced. Switching frequencies of 300 kHz and 500 kHz are also available as custom designed products.