S-8331 Seiko Instruments USA, S-8331 Datasheet - Page 34

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

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STEP-UP, FOR LCD BIAS SUPPLY, 1-CHANNEL SWITCHING REGULATOR
S-8330/8331 Series
S-8330A30 (CD54:47 μ H)
Output Current — Output Voltage Characteristics (Output Current Increase)
Output Vol.
V
S-8330A30 (CD54:47 μ H)
Output Current — Output Voltage Characteristics (Output Current Increase)
Output Vol.
V
S-8330A20 (LQH4N:47 μ H)
Output Current — Output Voltage Characteristics (Output Current Increase)
Output Vol.
V
OUT
OUT
OUT
(V)
(V)
(V)
8.4
8.2
8.0
7.8
7.6
30.4
30.2
30.0
29.8
29.6
0.01
18.4
18.2
18.0
17.8
17.6
0.1
0.1
VIN=2V
VIN=5V
VIN=7V
VIN=2V
VIN=5V
VIN=9V
0.1
VIN=2V
VIN=5V
VIN=9V
1
1
Output Current I
Output Current I
Output Current I
10
1
10
OUT
OUT
OUT
(mA)
(mA)
(mA)
100
100
10
Seiko Instruments Inc.
V
V
OUT
OUT
V
OUT
=30V
=18V
=8V
1000
1000
100
S-8330A30 (CD54:47 μ H)
Output Current — Efficiency Characteristics (Output Current Increase)
Efficiency
η (%)
S-8330A30 (CD54:47 μ H)
Output Current — Efficiency Characteristics (Output Current Increase)
Efficiency
η (%)
S-8330A20 (LQH4N:47 μ H)
Output Current — Efficiency Characteristics (Output Current Increase)
Efficiency
η (%)
100
100
90
80
70
60
50
90
80
70
60
50
100
0.01
0.1
90
80
70
60
50
0.1
0.1
1
1
Output Current I
Output Current I
Output Current I
10
1
10
OUT
OUT
OUT
www.DataSheet4U.com
(mA)
(mA)
(mA)
Rev.5.1
100
100
10
VIN=2V
VIN=5V
VIN=9V
VIN=2V
VIN=5V
VIN=9V
VIN=2V
VIN=5V
VIN=7V
V
V
OUT
OUT
V
OUT
=30V
=18V
_00
=8V
1000
1000
100