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MIC2570-1BM Datasheet(PDF) 9 Page - MIC GROUP RECTIFIERS |
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MIC2570-1BM Datasheet(HTML) 9 Page - MIC GROUP RECTIFIERS |
9 / 15 page August 2007 9 MIC2570 MIC2570 Micrel, Inc. Application Examples GND 5V S W MIC2570 S Y NC U1 Micrel MIC2570-1BM C1 AVX TPSD107M010R0100 Tantalum, ESR = 0.1Ω C2 AVX TPSE227M010R0100 Tantalum, ESR = 0.1Ω D1 Motorola MBRA140T3 L1 Coilcraft DO3316P-473, DCR = 0.12Ω 7 4 1 2 8 IN C2 220µF 10V VOUT 5V/100mA 2.0V to 3.1V 2 Cells C1 100µF 10V D1 MBRA140 L1 47µH U1 Example 1. 5V/100mA Regulator GND 3.3V S W MIC2570 S Y NC U1 Micrel MIC2570-1BM C1 AVX TPSD107M010R0100 Tantalum, ESR = 0.1Ω C2 AVX TPSE337M006R0100 Tantalum, ESR = 0.1Ω D1 Motorola MBRA140T3 L1 Coilcraft DO3316P-473, DCR = 0.12Ω 7 5 1 2 8 IN C2 330µF 6.3V VOUT 3.3V/150mA 2.0V to 3.1V 2 Cells C1 100µF 10V D1 MBRA140 L1 47µH U1 Example 2. 3.3V/150mA Regulator GND FB S W MIC2570 S Y NC U1 Micrel MIC2570-2BM C1 AVX TPSD107M010R0100 Tantalum, ESR = 0.11Ω C2 AVX TPSE336M025R0300 Tantalum, ESR = 0.3Ω D1 Motorola MBRA140T3 L1 Coilcraft DO3316P-473, DCR = 0.12Ω 7 6 1 2 8 IN C2 33µF 25V VOUT 12V/40mA 2.0V to 3.1V 2 Cells C1 100µF 10V D1 MBRA140 L1 47µH R2 1M 1% R1 18.7k 1% VOUT = 0.22V × (1+R2/R1) U1 Example 3. 12V/40mA Regulator GND 3.3V S W MIC2570 S Y NC U1 Micrel MIC2570-1BM C1 AVX TPSD107M010R0100 Tantalum, ESR = 0.1Ω C2 AVX TPSD107M010R0100 Tantalum, ESR = 0.1Ω C3 AVX TPSE337M006R0100 Tantalum, ESR = 0.1Ω D1 Motorola MBRA140T3 L1 Coiltronics CTX50-4P DCR = 0.097Ω 7 5 1 2 8 IN C3 330µF 6.3V VOUT 3.3V/80mA 2.5V to 4.2V 1 Li Cell C1 100µF 10V D1 MBRA140 L1 50µH L1 C2 100µF 10V U1 1 2 3 4 Example 4. Single Cell Lithium to 3.3V/80mA Regulator GND FB S W MIC2570 S Y NC U1 Micrel MIC2570-2BM U2 Micrel MIC5203-5.0BM4 C1 AVX TPSD107M010R0100 Tantalum ESR = 0.1Ω C2 AVX TPSE227M010R0300 Tantalum ESR = 0.1Ω C3 Sprague 293D105X0016A2W Tantalum D1 Motorola MBRA140T3 L1 Coilcraft DO3316P-473 DCR = 0.12Ω 7 6 1 2 8 IN C1 100µF 10V D1 L1 47µH 2.0V to 3.1V 2 Cells VOUT = 0.22V × (1+R2/R1) U1 MBRA140 C2 220µF 10V MIC5203 IN EN GND OUT VOUT 5V/80mA C3 1µF 16V 1 2 3 4 R1 20k 1% R2 523k 1% 6V U2 Example 5. Low-Noise 5V/80mA Regulator |
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