MB3882 Fujitsu Media Devices, MB3882 Datasheet - Page 20

• Manufacturer Part Number: MB3882
• Description: 2-channel DC/DC Converter IC with Synchronous Rectifier
• Manufacturer: Fujitsu Media Devices

20
MB3882
PROCESSING WITHOUT USING THE CS TERIMNALS
When the soft start function is not used, the CS1 terminal (pin 4) and CS2 terminal (pin 22) 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 2) .
C
V
R1
R2
O
T
(pF) R
893000
INE1
CS1
FB1
T
"Open"
(k )
6
5
4
Operation Without Soft Start Setting
4 CS1
1.25 V
CH1
Error
Amp.
,
2
CS2
21
V
O
"Open"
T
) to the CT terminal (pin 1) and a timing
1.25 V
R2
(R1
R2)