S-8331 Seiko Instruments USA, S-8331 Datasheet - Page 36

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

0
(8)
(9)
(10)
36
S-8330A20 (CD54:47 μ H)
Output Current — Ripple Voltage Characteristics (Output Current Increase)
Ripple
Voltage
Vr (mV)
STEP-UP, FOR LCD BIAS SUPPLY, 1-CHANNEL SWITCHING REGULATOR
S-8330/8331 Series
S-8330A30 (LQH4N:100 μ H)
Output Current — Output Voltage Characteristics (Output Current Increase)
Output Vol.
V
S-8330B30 (LQH4N:100 μ H)
Output Current — Output Voltage Characteristics (Output Current Increase)
Output Vol.
V
OUT
OUT
(V)
(V)
18.4
18.2
18.0
17.8
17.6
18.4
18.2
18.0
17.8
17.6
200
150
100
50
0.01
0.01
0
0.01
VIN=2V
VIN=5V
VIN=9V
VIN=2V
VIN=5V
VIN=9V
VIN=2V
VIN=5V
VIN=7V
0.1
0.1
0.1
Output Current I
Output Current I
Output Current I
1
1
1
OUT
OUT
OUT
(mA)
(mA)
(mA)
10
10
10
V
Seiko Instruments Inc.
OUT
V
V
OUT
OUT
=8V
=18V
=18V
100
100
100
S-8330A30 (CD54:47 μ H)
Output Current — Ripple Voltage Characteristics (Output Current Increase)
Ripple
Voltage
Vr (mV)
(11)
S-8330B30 (LQH4N:100 μ H)
Output Current — Efficiency Characteristics (Output Current Increase)
Efficiency
η (%)
S-8330A30 (LQH4N:100 μ H)
Output Current — Efficiency Characteristics (Output Current Increase)
Efficiency
η (%)
200
150
100
100
100
50
90
80
70
60
50
90
80
70
60
50
0
0.01
0.01
0.01
VIN=2V
VIN=5V
VIN=9V
0.1
0.1
0.1
Output Current I
Output Current I
Output Current I
1
1
1
OUT
(mA)
OUT
OUT
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(mA)
(mA)
10
Rev.5.1
V
10
10
OUT
VIN=2V
VIN=5V
VIN=9V
=18V
VIN=2V
VIN=5V
VIN=9V
V
V
OUT
OUT
100
=18V
_00
=18V
100
100