MB3885PFV FUJITSU [Fujitsu Component Limited.], MB3885PFV Datasheet - Page 19

• Manufacturer Part Number: MB3885PFV
• Description: 1-channel DC/DC Converter IC with Synchronous Rectifier
• Manufacturer: FUJITSU [Fujitsu Component Limited.]

PROCESSING WITHOUT USING THE CS TERMINALS
When the soft start function is not used, the CS terminal (pin 6) should be left open.
OSCILLATOR FREQUENCY SETTING
The oscillator frequency can be set by connecting a timing capacitor (C
resistor (R
OUTPUT VOLTAGE SETTING
Oscillator frequency
fosc (kHz) : =
T
) to the RT terminal (pin 5) .
C
V
R1
R2
O
T
(pF) R
893000
INE
T
CS
FB
(k )
7
8
6
Operation Without Soft Start Setting
"Open"
1.25 V
CS
Error
Amp.
V
O
T
) to the CT terminal (pin 4) and a timing
1.25 V
R2
(R1
R2)
MB3885
19