S-8331 Seiko Instruments USA, S-8331 Datasheet - Page 32

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

32
STEP-UP, FOR LCD BIAS SUPPLY, 1-CHANNEL SWITCHING REGULATOR
S-8330/8331 Series
5. Output Voltage Changeover
S-8330A20 (V
Pin Vol.
Output Vol.
S-8330A30 (V
Pin Vol.
Output Vol.
S-8331A20 (V
Pin Vol.
Output Vol.
S-8331A30 (V
Pin Vol.
Output Vol.
STRB
STRB
STRB
STRB
(2V/div)
(2V/div)
(2V/div)
(2V/div)
14V
24V
18V
14V
24V
18V
8V
8V
5V
0V
5V
0V
5V
0V
5V
0V
OUT
OUT
OUT
OUT
:8V → 14V)
:18V → 24V)
:8V → 14V)
:18V → 24V)
t (5msec/div)
t (5msec/div)
t (5msec/div)
t (5msec/div)
V
IN
V
V
V
=5V, I
IN
IN
IN
=5V, I
=5V, I
=5V, I
Seiko Instruments Inc.
OUT
OUT
OUT
OUT
=1mA
=1mA
=1mA
=1mA
S-8330A20 (V
Pin Vol.
Output Vol.
S-8330A30 (V
Pin Vol.
Output Vol.
S-8331A20 (V
Pin Vol.
Output Vol.
S-8331A30 (V
Pin Vol.
Output Vol.
STRB
STRB
STRB
STRB
(2V/div)
(2V/div)
(2V/div)
(2V/div)
14V
24V
18V
14V
24V
18V
8V
8V
5V
0V
5V
0V
5V
0V
5V
0V
OUT
OUT
OUT
OUT
:14V → 8V)
:24V → 18V)
:14V → 8V)
:24V → 18V)
t (5msec/div)
t (5msec/div)
t (5msec/div)
t (5msec/div)
V
IN
V
V
V
=5V, I
IN
IN
IN
=5V, I
=5V, I
=5V, I
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OUT
=10mA
OUT
OUT
OUT
=10mA
=20mA
=20mA
Rev.5.1
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