Highly Integrated 35A Single‐input Voltage,
Synchronous Buck Regulator
FEATURES
iP1837
DESCRIPTION
Wide input application 1.5V―16V
Single 3.3V or single 5V application
Output Voltage Range: 0.6V to 0.75*Vin
0.5% accurate Reference Voltage
Programmable Switching Frequency up to 1.5MHz
Programmable Soft‐Start
Enable input with Voltage Monitoring Capability
Remote Sense Amplifier with True Converter
Voltage Sensing
Thermally compensated Hiccup Mode
Over Current Protection
Over‐voltage protection
Pre‐Bias Start up
The iP1837 iPOWIRTM is an easy‐to‐use, fully integrated
and highly efficient DC/DC regulator. The onboard PWM
controller and MOSFETs make iP1837 a space‐efficient
solution, providing accurate power delivery for low output
voltage and high current applications.
iP1837 is a versatile regulator which offers programmability
of switching frequency and current limit while operating in
wide input and output voltage range.
The switching frequency is programmable from 250kHz to
1.5MHz for an optimum solution.
It also features important protection functions, such as
Pre‐Bias startup, hiccup current limit and thermal
shutdown to give required system level security in the
event of fault conditions.
Body Braking to improve transient
Integrated MOSFET drivers and Bootstrap diode
Operating temp: ‐40oC
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