S-8331 Seiko Instruments USA, S-8331 Datasheet - Page 7

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

Current consumption 1
Current consumption 2
Temperature coefficient
Rev.5.1
Output voltage range
Current consumption
Oscillating frequency
Input leakage current
Maximum duty ratio
Switching transistor
2. S-8330B Series
Switching current
during power off
leakage current
Load regulation
Line regulation
Output voltage
Step-Up Switching Regulator
Soft start time
Output voltage
Power off pin
Power off pin
Input voltage
Input voltage
Efficiency
accuracy
Item
_00
ΔVOUT/ΔTa Ta=-20°C to +70°C
Max Duty
ΔVOUT1
ΔVOUT2
Symbol
VOUT
ISWQ
VSH1
VSH2
ISSS
ISS1
ISS2
EFFI
ISW
fosc
VSL
TSS
VIN
ISL
STEP-UP, FOR LCD BIAS SUPPLY, 1-CHANNEL SWITCHING REGULATOR
S-8330B20FS
S-8330B22FS
S-8330B24FS
S-8330B26FS
S-8330B28FS
S-8330B30FS
V
V
Power off pin
VCONT=0.4 V
Power off pin=0 V , VCONT=9 V
V
V
I
Output voltage/24 kΩ
V
Measure waveform at CONT pin
V
Measure waveform at CONT pin
V
Check oscillation at CONT pin V
V
Check oscillation stop at CONT pin
V
=VDIN=0 V,V
OUT
OUT
IN
IN
IN
IN
OUT
OUT
OUT
IN
=5 V, V
=2 V, V
=3 V to 6 V S-8330B24FS
=5 V
=Output voltage/2.4 MΩ to
=9 V
=Output voltage×0.95
=Output voltage×0.95
=Output voltage×0.95
=Output voltage×0.95
OUT
OUT
IN
=Output voltage Max.
=Output voltage Min.
Conditions
=VCLK=VSTRB=5 V
S-8330B20FS
S-8330B22FS
S-8330B26FS
S-8330B28FS
S-8330B30FS
Seiko Instruments Inc.
S-8330B20FS
S-8330B22FS
S-8330B24FS
S-8330B26FS
S-8330B28FS
S-8330B30FS
V
IN
IN
≥ 3.0 V
< 3.0 V
Min.
100
2.0
2.4
1.6
10
12
14
16
18
40
60
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
-1
8
3
±300
±330
±360
±390
±420
±450
Typ.
±1.0
±1.1
±1.2
±1.3
±1.4
±1.5
200
±30
20
85
—
—
—
—
—
—
—
40
—
—
50
72
—
—
—
—
10
(Unless otherwise specified: Ta=25°C)
±2.4%
Max.
9.0
1.0
1.0
0.4
20
22
24
26
28
30
80
40
60
84
20
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1
S-8330/8331 Series
www.DataSheet4U.com
mV/°C
Unit
kHz
mA
mV
mV
ms
μA
μA
μA
μA
μA
%
%
%
V
V
V
Mea. Cir.
—
—
5
5
2
4
4
4
3
5
5
5
2
2
2
1
5
7