Model No. :
CX8853Withstand voltage :
40VOutput voltage :
ADJOutput current :
4AWorking mode :
synchronousPackaging :
SOP-8Summary:
CX8853 is a step-down DC-DC converter with an input withstand voltage of 40V and the ability to achieve precise constant voltage and current.
CX8853 has a built-in 20m Ω High side N MOS and 20m Ω Low side NMOS, which can support 4A continuous output current and adjustable output voltage, with a maximum support of 95% duty cycle.
CX8853 has high-performance load response and input voltage response capabilities, while precise constant voltage and constant current control loops achieve minimal load and linear adjustment rates.
CX8853 does not require external compensation and can rely on its built-in stable loop to achieve constant current and voltage control, while also having cable voltage drop compensation function.
CX8853 is a constant voltage, constant current, and step-down DC-DC converter with minimal application, excellent performance, and stable reliability.
Characteristic:
Input voltage can reach 4.75V-40V
Built in 20m Ω High side NMOS
Built in 20m Ω Low side NMOS
Support 4A continuous output current
Support 95% duty cycle
Output voltage and current can be set (3.2V-20V)
Constant current accuracy ± 6%
Constant voltage accuracy ± 2% (VFB=1.0V)
No external compensation required
Adjustable switching frequency
Cable compensation voltage drop
Short circuit protection (SCP), overheat protection (OTP), overvoltage protection (OVP).
The built-in SW cycle by cycle detection mode can prevent RSENT current limiting resistor short circuits from damaging the product.
SOP-8L packaging form
The chip output can be turned off through external control COMP/EN
Application:
Car charger
Lighting lights
Portable device power supply