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RT9202 pdf datasheet (Single S
消耗积分:5 |
格式:rar |
大小:333 |
2008-12-13
王尚岱
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The RT9202 is a single power supply PWM DC-DC
converter controller designed to drive N-MOSFET in a
synchronous buck topology. The IC integrates the control,
output adjustment, monitoring and protection functions in
a small 8-pin package.
The RT9202 uses a low gain voltage mode PWM control
for simple application design. An internal 0.8V reference
allows the output voltage to be precisely regulated to
low voltage requirement. A fixed 300kHz oscillator
reduces the component size for saving board space.
The RT9202 features over current protection, over
voltage protection, and under voltage lock-out. The output
current is monitored by sensing the voltage drop across
the MOSFET's RDS(ON), which eliminates the need for a
current sensing resistor.
converter controller designed to drive N-MOSFET in a
synchronous buck topology. The IC integrates the control,
output adjustment, monitoring and protection functions in
a small 8-pin package.
The RT9202 uses a low gain voltage mode PWM control
for simple application design. An internal 0.8V reference
allows the output voltage to be precisely regulated to
low voltage requirement. A fixed 300kHz oscillator
reduces the component size for saving board space.
The RT9202 features over current protection, over
voltage protection, and under voltage lock-out. The output
current is monitored by sensing the voltage drop across
the MOSFET's RDS(ON), which eliminates the need for a
current sensing resistor.
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