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參數(shù)資料
| 型號： | S-8521F32MC-BPR-T2G |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.05 A SWITCHING CONTROLLER, 360 kHz SWITCHING FREQ-MAX, PDSO5 |
| 封裝： | LEAD FREE, SOT-23, 5 PIN |
| 文件頁數(shù)： | 15/44頁 |
| 文件大?。?/td> | 511K |
| 代理商： | S-8521F32MC-BPR-T2G |
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STEP-DOWN, PWM CONTROL or PWM / PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER
S-8520/8521 Series
Rev.9.0_00
Seiko Instruments Inc.
22
Precautions
Mount the external capacitors, the diode and the coil as close as possible to the IC, and secure grounding at a
single location.
Characteristics ripple voltage and spike noise occur in IC containing switching regulators. Moreover, rush current
flows at the time of a power supply injection. Because these largely depend on the coil, the capacitor and
impedance of power supply used, fully check them using an actually mounted model.
The overload protection circuit of this IC performs the protective function by detecting the maximum duty time
(100 %). In choosing the components, make sure that over currents generated by short-circuits in the load, etc.,
will not surpass the allowable dissipation of the switching transistor and inductor.
Make sure that dissipation of the switching transistor (especially at a high temperature) does not exceed the
allowable dissipation of the package.
Do not apply an electrostatic discharge to this IC that exceeds the performance ratings of the built-in electrostatic
protection circuit.
SII claims no responsibility for any and all disputes arising out of or in connection with any infringement by
products including this IC of patents owned by a third party.
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