S-8331 Seiko Instruments USA, S-8331 Datasheet - Page 3

• Manufacturer Part Number: S-8331
• Description: Step-Up Switching Regulator (DC/DC Converter ICs)
• Manufacturer: Seiko Instruments USA

Rev.5.1
Pin Assignment
1
2
3
4
_00
Figure 2 Pin Assignment
8-pin SSOP
Top view
STEP-UP, FOR LCD BIAS SUPPLY, 1-CHANNEL SWITCHING REGULATOR
8
7
6
5
Seiko Instruments Inc.
Note 1: S-8330 Series: Open drain output
Note 2: S-8331 Series: CMOS output
Pin No.
1
2
3
4
5
6
7
8
ON
Symbol
VSTRB Electric volume strobe signal input pin
CONT
VCLK
VDIN
V
EXT
V
V
/
OUT
SS
IN
OFF
Electric volume data input pin
Electric volume clock input pin
Output voltage pin
Power supply pin
External inductor connection pin (Note 1)
External transistor connection pin (Note 2 )
GND pin
Shutdown pin
“H”: normal operation
“L”: stop stepping up operation
(stepping up operation)
Description
S-8330/8331 Series
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