S-8331 Seiko Instruments USA, S-8331 Datasheet - Page 10

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

10
STEP-UP, FOR LCD BIAS SUPPLY, 1-CHANNEL SWITCHING REGULATOR
S-8330/8331 Series
Externally attached parts:
V
ON/OFF=5 V, VDIN=VCLK=VSTRB=0 V
Note: Output voltage specified above is the typical value of the output voltage.
IN
=5 V, V
Coils
Diodes :
Capacitors: F93 tantalum type (two circuits of 50 V, 4.7 μF are connected in parallel) of Nichicon Corporation.
Transistors: 2SD1624 of Sanyo Electric Co., Ltd.
Base resistance (Rb):1.0 kΩ
Base capacitor (Cb):2200 pF (ceramic type)
OUT
=VOUT Max. I
:
CD54 (47 μH) of Sumida Corporation
MA720 Schottky type of Matsushita Electric Industrial Co., Ltd.
OUT
= output voltage/24 kΩ
Seiko Instruments Inc.
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Rev.5.1
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