XC9519 TOREX [Torex Semiconductor], XC9519 Datasheet - Page 9

• Manufacturer Part Number: XC9519
• Description: Dual Output Step-Up/Inverting DC/DC Converter
• Manufacturer: TOREX [Torex Semiconductor]

■OPERATIONAL EXPLANATION
driver transistor, current limiter circuit, short protection circuit, UVLO circuit, thermal shutdown circuit, over voltage protection, load disconnect
control and others. (See the block diagram below.)
PWM comparator in order to determine the duty cycle of PWM switching. The signal from the error amplifier is compared with the ramp wave from
the ramp wave circuit, and the resulting output is delivered to the buffer driver circuit to provide on-time of the duty cycle at the LXP (LXN) pin.
This process is continuously performed to ensure stable output voltage.
to provide multiple feedback signals. This enables a stable feedback loop even when using a low ESR capacitor such as ceramic, which results in
ensuring stable output voltage.
* Diodes inside the circuit are an ESD protection diode and a parasitic diode.
The XC9519 series consists of a reference voltage source, ramp wave circuit, error amplifier, PWM comparator, phase compensation circuit,
By using the error amplifier, the FBP (FBN) pin voltage is compared with the internal reference voltage. The error amplifier output is sent to the
The current feedback circuit monitors the driver transistor current for each switching operation, and modulates the error amplifier output signal
XC9519
Series
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