MB39A105 Datasheet, PDF (12/27 Pages) Fujitsu Component Limited. – 1-ch DC/DC Converter IC for low voltage

MB39A105
s SETTING THE OUTPUT VOLTAGE
• Output Voltage Setting Circuit
VO
R1
1
−INE
R2
CSCP
2
Error
− ^Amp
+
+
(0.5 V)
VO (V) = ^0.5 (R1 + R2)
R2
s 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
fosc (kHz) =: ³⁷⁵⁰
RT (kΩ)
12