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S-8363B-I6T1U2 Datasheet (PDF) - Seiko Instruments Inc

S-8363B-I6T1U2 Datasheet PDF - Seiko Instruments Inc
Part No. S-8363B-I6T1U2
Download  S-8363B-I6T1U2 Click to view

File Size   2864.63 Kbytes
Page   50 Pages
Manufacturer  SII [Seiko Instruments Inc]
Direct Link  http://www.sii.co.jp
Logo SII - Seiko Instruments Inc
Description PWM/PFM SWITCHABLE SWITCHING REGULATOR

S-8363B-I6T1U2 Datasheet (PDF)

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S-8363B-I6T1U2 Datasheet PDF - Seiko Instruments Inc

Part No. S-8363B-I6T1U2
Download  S-8363B-I6T1U2 Click to view

File Size   2864.63 Kbytes
Page   50 Pages
Manufacturer  SII [Seiko Instruments Inc]
Direct Link  http://www.sii.co.jp
Logo SII - Seiko Instruments Inc
Description PWM/PFM SWITCHABLE SWITCHING REGULATOR

S-8363B-I6T1U2 Datasheet (HTML) - Seiko Instruments Inc

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S-8363B-I6T1U2 Product details

STEP-UP, SUPER-SMALL PACKAGE, 1.2 MHz PWM / PFM SWITCHABLE SWITCHING REGULATOR

The S-8363 Series is a CMOS step-up switching regulator which consists of a reference voltage source, an oscillation circuit, an error amplifier, a phase compensation circuit, a current limit circuit, and a start-up circuit.
Due to the operation of the PWM / PFM switching control, pulses are skipped under the light load operation and the S-8363 Series prevents decrease in efficiency caused by IC’s operating current.

Features
• Low operation voltage : Start-up from 0.9 V (IOUT = 1 mA) guaranteed
• Oscillation frequency : 1.2 MHz
• Input voltage range : 0.9 V to 4.5 V
• Output current : 300 mA (VIN = 1.8 V, VOUT = 3.3 V)
• Reference voltage : 0.6 V±2.5%
• Efficiency : 85%
• Soft start function : 1.2 ms typ.
• Low current consumption : During switching-off, 95 μA typ.
• Duty ratio : PWM / PFM switching control max.88%
• Power-off function : Current consumption during power-off 3.0 μA max.
• Current limit circuit : limits the peak value of inductor current
• Nch power MOS FET ON resistance : 0.25 Ω typ.
• Start-up function : Operation with fixed duty pulse under the VOUT voltage of 1.4 V or less
• Lead-free, Sn 100%, halogen-free*1

Applications
• MP3 players, digital audio players
• Digital cameras, GPS, wireless transceiver
• Portable devices



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