S-8331A30FS-T2-G Seiko Instruments, S-8331A30FS-T2-G Datasheet - Page 24

• Manufacturer Part Number: S-8331A30FS-T2-G
• Description: IC REG SW PWM SHTDN 18-30V 8SSOP
• Manufacturer: Seiko Instruments
• Type: Step-Up (Boost)r

Specifications of S-8331A30FS-T2-G

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 18 ~ 30 V
• Current - Output: 5mA
• Frequency - Switching: 180kHz
• Voltage - Input: 2 ~ 9 V
• Operating Temperature: -20°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 8-SSOP
• Power - Output: 300mW
• Output Voltage: 30 V
• Operating Temperature Range: - 20 C to + 70 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

24
STEP-UP, FOR LCD BIAS SUPPLY, 1-CHANNEL SWITCHING REGULATOR
S-8330/8331 Series
Precautions
attention to overshoot occuring when increasing the output voltage with a large width (refer to 5.
Output Voltage Changeover shown in the transitory response characteristics).
electrostatic protection circuit.
Mount capacitors, diodes, coils and other components as near as possible to the the IC.
Inherent ripple voltage or spike noise may generate in the switching regulator. Because it greatly
Make sure that a loss in the switching transistor (particularly at high temperatures) does not exceed
Configure parts and components so that the line to the VSS pin (indicated by the bold line shown in
When switching the output voltage by the electric volume, the soft start does not function. Pay
Seiko Instruments Inc. shall not be resposible for any patent infringement by products including the
depends upon the coils and the capacitors you use, check it using an actually-mounted model.
the allowable power dissipation.
Figure 17) becomes short as much as possible. If a resistor and/or an inductance component
stays on the line, the VSS potential of the IC varies depending upon the switching current.
Do not apply an electrostatic discharge to this IC that exceeds the performance ratings of the built-in
S-8330/8331 Series in connection with the method of using the S-8330/8331 Series in such
products, the product specifications or the country of destination thereof.
CPU
Vss
Figure 17 S-8330 Series Application Circuit
VCLK
ON/OFF
VDIN
VSTRB
Seiko Instruments Inc.
VIN
S-8330 Series
CONT
Vss
V
OUT
+
−
Rev.6.0
_00