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MB39A105
12
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SETTING THE OUTPUT VOLTAGE
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SETTING THE TRIANGULAR OSCILLATION FREQUENCY
The triangular oscillation frequency is determined by the timing resistor (RT) connected to the RT terminal (pin 7) .
Triangular oscillation frequency : fosc
−
+
+
VO
R1
R2
−INE
CSCP
Error
Amp
(0.5 V)
V
O (V) = (R1 + R2)
0.5
1
2
R2
• Output Voltage Setting Circuit
fosc (kHz) :=
3750
R
T (kΩ)