XC9504 series are PWM control, PWM/PFM switching, 2 channel (step-up and inverting) DC/DC controller ICs.
The XC9504 series are dual‑channel DC/DC controller ICs that provide a step‑up (boost) converter on channel 1 and an inverting converter on channel 2. They support PWM control, PWM/PFM automatic switching, and include built‑in soft‑start and standby functions.
The document lists pin assignments, absolute maximum ratings, electrical characteristics, typical application circuits, and design equations for setting output voltages. It also provides recommended external components and layout notes for optimal performance.
| Output Voltage Range (Channel 1) | 1.5 V ~ 30 V |
|---|---|
| Output Current (Channel 1) | > 20 mA |
| Supply Voltage Range | 2.0 V ~ 10.0 V |
| Oscillation Frequency | 180 kHz (±15%) |
| Maximum Duty Cycle | 80 % (typ.) |
| Package Types | MSOP‑10, USP‑10 |
The typical oscillation frequency is 180 kHz with a tolerance of ±15 %.
The XC9504 series has two channels: a step‑up (boost) controller and an inverting controller.
PWM1 and PWM2 pins are used to select PWM control (high voltage) or PWM/PFM automatic switching (low voltage).