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S-8821 bảng dữ liệu (PDF) - Seiko Instruments Inc

S-8821 Datasheet PDF - Seiko Instruments Inc
tên linh kiện S-8821
tải về  S-8821 tải về

kích thước tập tin   199.75 Kbytes
Page   19 Pages
nhà sản xuất  SII [Seiko Instruments Inc]
Trang chủ  http://www.sii.co.jp
Logo SII - Seiko Instruments Inc
Giải thích chi tiết về linh kiện VOLTAGE REGULATION STEP-UP CHARGE PUMP DC-DC CONVERTER

S-8821 Datasheet (PDF)

Go To PDF Page tải về bảng dữ liệu
S-8821 Datasheet PDF - Seiko Instruments Inc

tên linh kiện S-8821
tải về  S-8821 Click to download

kích thước tập tin   199.75 Kbytes
Page   19 Pages
nhà sản xuất  SII [Seiko Instruments Inc]
Trang chủ  http://www.sii.co.jp
Logo SII - Seiko Instruments Inc
Giải thích chi tiết về linh kiện VOLTAGE REGULATION STEP-UP CHARGE PUMP DC-DC CONVERTER

S-8821 bảng dữ liệu (HTML) - Seiko Instruments Inc

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S-8821 Thông tin chi tiết sản phẩm

The S-8821 series is a CMOS boost charge pump DC-DC converter with a voltage regulation function.
The S-8821 series consists of an oscillation circuit, a controller, a reference voltage circuit, an error amplifier circuit, and an output switching transistor, and can regulate the output voltage by PFM control.
Since small ceramic capacitors can be used for the pump capacitor, input capacitor, and output capacitor, the mounting area can be minimized.

Features
• PFM control CMOS boost charge pump
• Power supply voltage: 1.6 to 5.0 V
• Output voltage: 2.5 to 5.5 V, selectable in 0.1 V steps.
• Output voltage accuracy: ±2 % max.
• Built-in soft start circuit: 1.0 ms typ.
• Output current 25 mA (VIN=(VOUT(S) × 0.80) V)
• Oscillation frequency: 1.0 MHz typ.
• ON/OFF function: During standby: 1 μA max.
• Lead-free, Sn 100%, halogen-free*1

Applications
• Lithium ion battery driven applications
• Local power supply
• Power supply for white LED display backlights




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