OB2263
Current Mode PWM ControllerFrequency Shuffling
Marking Information
TERMINAL ASSIGNMENTS
Pin Name
GND
FB
I/O Description
P
I
Ground
Feedback input pin. The PWM duty cycle is determined by voltage level into this pin and
SENSE pin input.
RI
I
Internal Oscillator frequency setting pin. A resistor connected between RI and GND sets
the PWM frequency.
SENSE
VDD
GATE
I
P
O
Current sense input pin. Connected to MOSFET current sensing resistor node.
Chip DC power supply pin.
Totem-pole gate drive output for the power MOSFET.
RECOMMENDED OPERATING CONDITION
Symbol
Parameter
Min
Unit
Max
VDD
RI
TA
VDD Supply Voltage
RI Resistor Value
Operating Ambient Temperature
10 to 30
100
-20 to 85
V
Kohm
oC
©On-Bright Electronics
Confidential
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OB_DOC_DS_63B2
ETC [ ETC ]
