MB39A110 View Datasheet(PDF) - Fujitsu

Part Name

Description

Manufacturer

MB39A110

4-ch DC/DC Converter IC with Synchronous Rectification

Fujitsu 

MB39A110

■ SETTING THE OUTPUT VOLTAGE

• CH1 to CH4

VO

R1

−INEX

R2

CSX

Error

− Amp

+

+

1.23 V

1.23

VO (V) =

R2

(R1 + R2)

X: Each channel No.

■ SETTING THE TRIANGULAR OSCILLATION FREQUENCY

The triangular oscillation frequency is determined by the timing resistor (RT) connected to the RT terminal

(pin 12), and the timing capacitor (CT) connected to the CT terminal (pin 13).

Triangular oscillation frequency : fOSC

fOSC

(kHz)

=:

693600

CT (pF) × RT (kΩ)

15

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