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IMAGE PART NO. PRICE QUANTITY STOCK MANUFACTURE DESCRIPTION Mounting Style Package / Case Minimum Operating Temperature Maximum Operating Temperature Packaging Input Voltage Output Current Output Voltage Switching Frequency Duty Cycle - Max Number of Outputs
S-8520E33MC-BJST2G
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SII Semiconductor Switching Controllers 3.3V Step-Down PWM SMD/SMT SOT-23-5 - 40 C + 85 C Reel 2.5 V to 10 V 13.2 mA 3.3 V 300 kHz 100 % 1 Output
S-8521D32MC-BXRT2G
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RFQ
SII Semiconductor Switching Controllers 3.2V Step-Dn PWM/PFM SMD/SMT SOT-23-5 - 40 C + 85 C Reel 2.5 V to 16 V 13.2 mA 3.2 V 60 kHz 100 % 1 Output
S-8540B00FN-IMAT2G
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RFQ
SII Semiconductor Switching Controllers 1.5-6.0V 0.3A Adj SMD/SMT MSOP-8 - 40 C + 85 C Reel 2.5 V to 10 V   1.5 V to 6 V 600 kHz 100 % 1 Output
S-8520A30MC-AVPT2U
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RFQ
SII Semiconductor Switching Controllers 3.0V Step-Down PWM SMD/SMT SOT-23-5 - 40 C + 85 C Reel 2.5 V to 10 V 13.2 mA 3 V 180 kHz 100 % 1 Output
S-8520C29MC-BROT2G
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RFQ
SII Semiconductor Switching Controllers 2.9V Step-Down PWM SMD/SMT SOT-23-5 - 40 C + 85 C Reel 2.5 V to 10 V 13.2 mA 2.9 V 60 kHz 100 % 1 Output
S-8520E50MC-BKJT2U
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RFQ
SII Semiconductor Switching Controllers 5.0V Step-Down PWM SMD/SMT SOT-23-5 - 40 C + 85 C Reel 2.5 V to 10 V 21.4 mA 5 V 300 kHz 100 % 1 Output
S-8540A18FN-IADT2G
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RFQ
SII Semiconductor Switching Controllers 1.8V Step-Down PWM SMD/SMT MSOP-8 - 40 C + 85 C Reel 2.5 V to 10 V   1.8 V 600 kHz 100 % 1 Output
S-8540A33FN-IAST2G
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RFQ
SII Semiconductor Switching Controllers 3.3V Step-Down PWM SMD/SMT MSOP-8 - 40 C + 85 C Reel 2.5 V to 10 V   3.3 V 600 kHz 100 % 1 Output
S-8521A28MC-AXNT2U
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RFQ
SII Semiconductor Switching Controllers 2.8V Step-Dn PWM/PFM SMD/SMT SOT-23-5 - 40 C + 85 C Reel 2.5 V to 10 V 13.2 mA 2.8 V 180 kHz 100 % 1 Output
S-8520B30MC-ARPT2U
VIEW
RFQ
SII Semiconductor Switching Controllers 3.0V Step-Down PWM SMD/SMT SOT-23-5 - 40 C + 85 C Reel 2.5 V to 16 V 13.2 mA 3 V 180 kHz 100 % 1 Output
S-8521E18MC-BLDT2U
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RFQ
SII Semiconductor Switching Controllers 1.8V Step-Dn PWM/PFM SMD/SMT SOT-23-5 - 40 C + 85 C Reel 2.5 V to 10 V 8.4 mA 1.8 V 300 kHz 100 % 1 Output
S-8521D33MC-BXST2U
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RFQ
SII Semiconductor Switching Controllers 3.3V Step-Dn PWM/PFM SMD/SMT SOT-23-5 - 40 C + 85 C Reel 2.5 V to 16 V 13.2 mA 3.3 V 60 kHz 100 % 1 Output
S-8520B36MC-ARVT2U
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RFQ
SII Semiconductor Switching Controllers 3.6V Step-Down PWM SMD/SMT SOT-23-5 - 40 C + 85 C Reel 2.5 V to 16 V 17.5 mA 3.6 V 180 kHz 100 % 1 Output
S-8521D27MC-BXMT2U
VIEW
RFQ
SII Semiconductor Switching Controllers 2.7V Step-Dn PWM/PFM SMD/SMT SOT-23-5 - 40 C + 85 C Reel 2.5 V to 16 V 13.2 mA 2.7 V 60 kHz 100 % 1 Output
S-8520C31MC-BRQT2U
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RFQ
SII Semiconductor Switching Controllers 3.1V Step-Down PWM SMD/SMT SOT-23-5 - 40 C + 85 C Reel 2.5 V to 10 V 13.2 mA 3.1 V 60 kHz 100 % 1 Output
S-8520F50MC-BOJT2U
VIEW
RFQ
SII Semiconductor Switching Controllers 5.0V Step-Down PWM SMD/SMT SOT-23-5 - 40 C + 85 C Reel 2.5 V to 16 V 21.4 mA 5 V 300 kHz 100 % 1 Output
S-8521F33MC-BPST2U
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RFQ
SII Semiconductor Switching Controllers 3.3V Step-Dn PWM/PFM SMD/SMT SOT-23-5 - 40 C + 85 C Reel 2.5 V to 16 V 13.2 mA 3.3 V 300 kHz 100 % 1 Output
S-8521A27MC-AXMT2G
VIEW
RFQ
SII Semiconductor Switching Controllers 2.7V Step-Dn PWM/PFM SMD/SMT SOT-23-5 - 40 C + 85 C Reel 2.5 V to 10 V 13.2 mA 2.7 V 180 kHz 100 % 1 Output
S-8541C33FN-IIST2G
VIEW
RFQ
SII Semiconductor Switching Controllers 3.3V Step-Dn PWM/PFM SMD/SMT MSOP-8 - 40 C + 85 C Reel 2.5 V to 10 V   3.3 V 300 kHz 100 % 1 Output
S-8540D00FN-IMBT2G
VIEW
RFQ
SII Semiconductor Switching Controllers Adj Step-Down PWM SMD/SMT MSOP-8 - 40 C + 85 C Reel 2.5 V to 10 V   1.5 V to 6 V 300 kHz 100 % 1 Output
S-8521D36MC-BXVT2U
VIEW
RFQ
SII Semiconductor Switching Controllers 3.6V Step-Dn PWM/PFM SMD/SMT SOT-23-5 - 40 C + 85 C Reel 2.5 V to 16 V 17.5 mA 3.6 V 60 kHz 100 % 1 Output
S-8521A29MC-AXOT2G
VIEW
RFQ
SII Semiconductor Switching Controllers 2.9V Step-Dn PWM/PFM SMD/SMT SOT-23-5 - 40 C + 85 C Reel 2.5 V to 10 V 13.2 mA 2.9 V 180 kHz 100 % 1 Output
S-8521C34MC-BTTT2G
VIEW
RFQ
SII Semiconductor Switching Controllers 3.4V Step-Dn PWM/PFM SMD/SMT SOT-23-5 - 40 C + 85 C Reel 2.5 V to 10 V 13.2 mA 3.4 V 60 kHz 100 % 1 Output
S-8521C29MC-BTOT2G
VIEW
RFQ
SII Semiconductor Switching Controllers 2.9V Step-Dn PWM/PFM SMD/SMT SOT-23-5 - 40 C + 85 C Reel 2.5 V to 10 V 13.2 mA 2.9 V 60 kHz 100 % 1 Output
S-8520B35MC-ARUT2U
VIEW
RFQ
SII Semiconductor Switching Controllers 3.5V Step-Down PWM SMD/SMT SOT-23-5 - 40 C + 85 C Reel 2.5 V to 16 V 17.5 mA 3.5 V 180 kHz 100 % 1 Output
S-8520D50MC-BWJT2U
VIEW
RFQ
SII Semiconductor Switching Controllers 5.0V Step-Down PWM SMD/SMT SOT-23-5 - 40 C + 85 C Reel 2.5 V to 16 V 21.4 mA 5 V 60 kHz 100 % 1 Output
S-8521D25MC-BXKT2U
VIEW
RFQ
SII Semiconductor Switching Controllers 2.5V Step-Dn PWM/PFM SMD/SMT SOT-23-5 - 40 C + 85 C Reel 2.5 V to 16 V 13.2 mA 2.5 V 60 kHz 100 % 1 Output
S-8521C33MC-BTST2U
VIEW
RFQ
SII Semiconductor Switching Controllers 3.3V Step-Dn PWM/PFM SMD/SMT SOT-23-5 - 40 C + 85 C Reel 2.5 V to 10 V 13.2 mA 3.3 V 60 kHz 100 % 1 Output
S-8520A27MC-AVMT2G
VIEW
RFQ
SII Semiconductor Switching Controllers 2.7V Step-Down PWM SMD/SMT SOT-23-5 - 40 C + 85 C Reel 2.5 V to 10 V 13.2 mA 2.7 V 180 kHz 100 % 1 Output
S-8521D28MC-BXNT2U
VIEW
RFQ
SII Semiconductor Switching Controllers 2.8V Step-Dn PWM/PFM SMD/SMT SOT-23-5 - 40 C + 85 C Reel 2.5 V to 16 V 13.2 mA 2.8 V 60 kHz 100 % 1 Output
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