An apparatus for generating an isolated power supply voltage and an isolated data signal, the apparatus characterised by : a first pulse generation circuit comprising a first high pass filter circuit configured to generate a first pulse signal (A) based on transitions of an input pulse width modulation (PWM) signal (PWM_I), wherein pulses of the first pulse signal (A) are narrower than pulses of the input PWM signal; a second pulse generation circuit comprising a second high pass filter circuit configured to generate a second pulse signal (B) based on transitions of the input PWM signal (PWM_I), wherein pulses of the second pulse signal (B) are narrower than pulses of the input PWM signal; a transformer circuit comprising a transformer (T1), a first transistor (Q8), and a second transistor (Q9), wherein the first transistor (Q8) and the second transistor (Q9) are coupled to the transformer (T1), wherein the first pulse signal (A) is provided to the first transistor (Q8), wherein the second pulse signal (B) is provided to the second transistor (Q9), wherein the transformer (T1) is configured to generate an output pulse signal (C) based on a state of the first transistor (Q8) controlled by the first pulse signal (A) and a state of the second transistor (Q9) controlled by the second pulse signal (B); an isolated power supply circuit coupled to the transformer circuit and configured to generate an isolated power supply voltage (V_ISO, 2.5V_ISO) based on the output pulse signal (C); and a latch circuit coupled to the transformer circuit , the latch circuit configured to generate an isolated PWM signal (PWM_ISO) based on the output pulse signal. a first pulse generation circuit comprising a first high pass filter circuit configured to generate a first pulse signal (A) based on transitions of an input pulse width modulation (PWM) signal (PWM_I), wherein pulses of the first pulse signal (A) are narrower than pulses of the input PWM signal; a second pulse generation circuit comprising a second high pass filter circuit configured to generate a second pulse signal (B) based on transitions of the input PWM signal (PWM_I), wherein pulses of the second pulse signal (B) are narrower than pulses of the input PWM signal; a transformer circuit comprising a transformer (T1), a first transistor (Q8), and a second transistor (Q9), wherein the first transistor (Q8) and the second transistor (Q9) are coupled to the transformer (T1), wherein the first pulse signal (A) is provided to the first transistor (Q8), wherein the second pulse signal (B) is provided to the second transistor (Q9), wherein the transformer (T1) is configured to generate an output pulse signal (C) based on a state of the first transistor (Q8) controlled by the first pulse signal (A) and a state of the second transistor (Q9) controlled by the second pulse signal (B); an isolated power supply circuit coupled to the transformer circuit and configured to generate an isolated power supply voltage (V_ISO, 2.5V_ISO) based on the output pulse signal (C); and a latch circuit coupled to the transformer circuit , the latch circuit configured to generate an isolated PWM signal (PWM_ISO) based on the output pulse signal. <EOS>