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DC-DC Switching Controllers

Find DC-DC Switching Controllers from Linear, Rochester, and additional brands. 11,167 part numbers available at FPGACenter. Volume pricing, no minimum order.

Part NumberManufacturerDescriptionPackageStockPriceMOQStatus
Rochester ElectronicsThe ISL6439AIR-T is a DC-DC switching controller manufactured by Rochester Electronics. Technical highlights include -40°C ~ 85°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, LDO, buck, boost, or MOSFET topology when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 16-VQFN Exposed Pad package and is rated for operation across -40°C ~ 85°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the ISL6439AIR-T is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.16-VQFN Exposed PadRFQ for sourcing$0.83871OBSOLETE
Rochester ElectronicsThe ISL6439AIRZ is a DC-DC switching controller manufactured by Rochester Electronics. Technical highlights include -40°C ~ 85°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, LDO, buck, boost, or MOSFET topology when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 16-VQFN Exposed Pad package and is rated for operation across -40°C ~ 85°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the ISL6439AIRZ is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.16-VQFN Exposed PadRFQ for sourcing$2.181OBSOLETE
IntersilThe ISL6439AIRZ-T is a DC-DC switching controller manufactured by Intersil. Technical highlights include -40°C ~ 85°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, LDO, buck, boost, or MOSFET topology when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 16-VQFN Exposed Pad package and is rated for operation across -40°C ~ 85°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the ISL6439AIRZ-T is no longer produced by Intersil; FPGACenter maintains verified stock sourced through certified supply chain partners.16-VQFN Exposed PadRFQ for sourcing$2.131OBSOLETE
ISL6439CB
Rochester ElectronicsThe ISL6439CB is a DC-DC switching controller manufactured by Rochester Electronics. Technical highlights include 0°C ~ 70°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, LDO, buck, boost, or MOSFET topology when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 14-SOIC (0.154", 3.90mm Width) package and is rated for operation across 0°C ~ 70°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the ISL6439CB is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.14-SOIC (0.154", 3.90mm Width)RFQ for sourcing$0.73131OBSOLETE
Rochester ElectronicsThe ISL6439CB-T is a DC-DC switching controller manufactured by Rochester Electronics. Technical highlights include 0°C ~ 70°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, LDO, buck, boost, or MOSFET topology when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 14-SOIC (0.154", 3.90mm Width) package and is rated for operation across 0°C ~ 70°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the ISL6439CB-T is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.14-SOIC (0.154", 3.90mm Width)RFQ for sourcing$0.75081OBSOLETE
ISL6439CBZ
Rochester ElectronicsThe ISL6439CBZ is a DC-DC switching controller manufactured by Rochester Electronics. Technical highlights include 0°C ~ 70°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, LDO, buck, boost, or MOSFET topology when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 14-SOIC (0.154", 3.90mm Width) package and is rated for operation across 0°C ~ 70°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the ISL6439CBZ is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.14-SOIC (0.154", 3.90mm Width)RFQ for sourcing$2.461OBSOLETE
IntersilThe ISL6439CBZ-T is a DC-DC switching controller manufactured by Intersil. Technical highlights include 0°C ~ 70°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, LDO, buck, boost, or MOSFET topology when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 14-SOIC (0.154", 3.90mm Width) package and is rated for operation across 0°C ~ 70°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the ISL6439CBZ-T is no longer produced by Intersil; FPGACenter maintains verified stock sourced through certified supply chain partners.14-SOIC (0.154", 3.90mm Width)RFQ for sourcing$1.991OBSOLETE
ISL6439CR
Rochester ElectronicsThe ISL6439CR is a DC-DC switching controller manufactured by Rochester Electronics. Design review should confirm input voltage, output voltage, load current, LDO, buck, boost, or MOSFET topology when applicable, and thermal operating temperature limits, plus genuine factory-marked silicon, original packaging, and full lot/date code traceability. This - component is supplied in a standard package suitable for both prototyping and production builds. Designed for battery-powered devices, portable electronics, and industrial sensors applications, the ISL6439CR is currently in active production through Rochester Electronics's standard distribution channels.Check5.862 In Stock$0.63021ACTIVE
ISL6439IB
Rochester ElectronicsThe ISL6439IB is a DC-DC switching controller manufactured by Rochester Electronics. Technical highlights include -40°C ~ 85°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, LDO, buck, boost, or MOSFET topology when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 14-SOIC (0.154", 3.90mm Width) package and is rated for operation across -40°C ~ 85°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the ISL6439IB is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.14-SOIC (0.154", 3.90mm Width)RFQ for sourcing$0.73131OBSOLETE
IntersilThe ISL6439IB-T is a DC-DC switching controller manufactured by Intersil. Technical highlights include -40°C ~ 85°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, LDO, buck, boost, or MOSFET topology when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 14-SOIC (0.154", 3.90mm Width) package and is rated for operation across -40°C ~ 85°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the ISL6439IB-T is no longer produced by Intersil; FPGACenter maintains verified stock sourced through certified supply chain partners.14-SOIC (0.154", 3.90mm Width)RFQ for sourcingRFQ1OBSOLETE
IntersilThe ISL6439IBZ-T is a DC-DC switching controller manufactured by Intersil. Technical highlights include -40°C ~ 85°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, LDO, buck, boost, or MOSFET topology when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 14-SOIC (0.154", 3.90mm Width) package and is rated for operation across -40°C ~ 85°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the ISL6439IBZ-T is in last-time-buy phase; available quantities are limited, and FPGACenter accepts lifetime-supply orders.14-SOIC (0.154", 3.90mm Width)37.395 In Stock$1.131LASTBUY
IntersilThe ISL6439IBZ-TS2705 is a DC-DC switching controller manufactured by Intersil. Technical highlights include -40°C ~ 85°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, LDO, buck, boost, or MOSFET topology when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 14-SOIC (0.154", 3.90mm Width) package and is rated for operation across -40°C ~ 85°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the ISL6439IBZ-TS2705 is in last-time-buy phase; available quantities are limited, and FPGACenter accepts lifetime-supply orders.14-SOIC (0.154", 3.90mm Width)10 In StockRFQ1LASTBUY
ISL6439IR
Rochester ElectronicsThe ISL6439IR is a DC-DC switching controller manufactured by Rochester Electronics. Technical highlights include -40°C ~ 85°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, LDO, buck, boost, or MOSFET topology when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 16-VQFN Exposed Pad package and is rated for operation across -40°C ~ 85°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the ISL6439IR is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.16-VQFN Exposed PadRFQ for sourcing$0.82871OBSOLETE
Rochester ElectronicsThe ISL6439IR-T is a DC-DC switching controller manufactured by Rochester Electronics. Technical highlights include -40°C ~ 85°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, LDO, buck, boost, or MOSFET topology when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 16-VQFN Exposed Pad package and is rated for operation across -40°C ~ 85°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the ISL6439IR-T is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.16-VQFN Exposed PadRFQ for sourcing$0.59471OBSOLETE
ISL6439IRZ
Rochester ElectronicsThe ISL6439IRZ is a DC-DC switching controller manufactured by Rochester Electronics. Technical highlights include -40°C ~ 85°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, LDO, buck, boost, or MOSFET topology when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 16-VQFN Exposed Pad package and is rated for operation across -40°C ~ 85°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the ISL6439IRZ is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.16-VQFN Exposed PadRFQ for sourcing$2.181OBSOLETE
IntersilThe ISL6439IRZ-T is a DC-DC switching controller manufactured by Intersil. Technical highlights include -40°C ~ 85°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, LDO, buck, boost, or MOSFET topology when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 16-VQFN Exposed Pad package and is rated for operation across -40°C ~ 85°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the ISL6439IRZ-T is no longer produced by Intersil; FPGACenter maintains verified stock sourced through certified supply chain partners.16-VQFN Exposed PadRFQ for sourcing$2.131OBSOLETE
ISL6440IA
Rochester ElectronicsThe ISL6440IA is a DC-DC switching controller manufactured by Rochester Electronics. Technical highlights include -40°C ~ 85°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, LDO, buck, boost, or MOSFET topology when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 24-SSOP (0.154", 3.90mm Width) package and is rated for operation across -40°C ~ 85°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the ISL6440IA is no longer produced by Rochester Electronics; FPGACenter maintains verified stock sourced through certified supply chain partners.24-SSOP (0.154", 3.90mm Width)RFQ for sourcing$11.931OBSOLETE
IntersilThe ISL6440IA-T is a DC-DC switching controller manufactured by Intersil. Technical highlights include -40°C ~ 85°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, LDO, buck, boost, or MOSFET topology when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 24-SSOP (0.154", 3.90mm Width) package and is rated for operation across -40°C ~ 85°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the ISL6440IA-T is no longer produced by Intersil; FPGACenter maintains verified stock sourced through certified supply chain partners.24-SSOP (0.154", 3.90mm Width)RFQ for sourcingRFQ1OBSOLETE
IntersilThe ISL6440IA-TK is a DC-DC switching controller manufactured by Intersil. Technical highlights include -40°C ~ 85°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, LDO, buck, boost, or MOSFET topology when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 24-SSOP (0.154", 3.90mm Width) package and is rated for operation across -40°C ~ 85°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the ISL6440IA-TK is no longer produced by Intersil; FPGACenter maintains verified stock sourced through certified supply chain partners.24-SSOP (0.154", 3.90mm Width)RFQ for sourcingRFQ1OBSOLETE
ISL6440IAZ
IntersilThe ISL6440IAZ is a DC-DC switching controller manufactured by Intersil. Technical highlights include -40°C ~ 85°C (TA) operating temperature; design review should confirm input voltage, output voltage, load current, LDO, buck, boost, or MOSFET topology when applicable, and thermal operating temperature limits. This Surface Mount component is supplied in a 24-SSOP (0.154", 3.90mm Width) package and is rated for operation across -40°C ~ 85°C (TA). Designed for battery-powered devices, portable electronics, and industrial sensors applications, the ISL6440IAZ is currently in active production through Intersil's standard distribution channels.24-SSOP (0.154", 3.90mm Width)1.203 In Stock$9.651ACTIVE
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