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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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MIC2178BWM датащи(PDF) 13 Page - Micrel Semiconductor |
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MIC2178BWM датащи(HTML) 13 Page - Micrel Semiconductor |
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13 / 15 page  March 2005 13 M9999-031805 MIC2178 Micrel, Inc. BIAS SGND PWRGD COMP PGND FB SW VIN C2 68µF 20V VOUT 12V/1A L1 68µH C4 6.8nF C3 0.01µF MIC2178 PWM Skip Mode PWM Mode SYNC R2 174k 1% R1 20k 1% EN R1 20k R2 10k VIN 12.5V to 16.5V C1 22µF 35V U1 20 11 10 18 13 14–17 19 12 4–7 3,8 1,2,9 D1 MBRS130L U1 Micrel MIC2178BWM C1 AVX TPSE226M035R0300, ESR = 0.3Ω C2 AVX TPSE686M020R0150, ESR = 0.15Ω C3 Z5UorX7R Ceramic Dielectric Material C4 X7RorNP0 Ceramic Dielectric Material D1 Motorola MBRS130LT3 L1 Coiltronics CTX68-4P, DCR = 0.238 Ω L1 Coilcraft DO3316P-683, DCR = 0.016Ω L1 Bi HM77-11003, DCR = 0.233Ω R3 10k Figure 3. MIC2178 12.5V–16.5V to 12V/1A Regulator BIAS SGND PWRGD COMP PGND FB SW VIN C2 220µF 10V X2 VOUT 3.3V/2.5A L1 33µH C4 6.8nF C3 0.01µF MIC2178 PWM Skip Mode PWM Mode SYNC EN R1 20k R2 10k VIN 10V to 16.5V C1 22µF 35V X2 U1 20 11 10 18 13 14–17 19 12 4–7 3,8 1,2,9 D1 MBRS130L U1 Micrel MIC2178-3.3BWM C1 AVX TPSE226M035R0300, ESR = 0.3Ω C2 AVX TPSE227M010R0100, ESR = 0.1Ω C3 Z5UorX7R Ceramic Dielectric Material C4 X7RorNP0 Ceramic Dielectric Material D1 Motorola MBRS130LT3 L1 Bi HM77-18004, DCR = 0.075Ω R3 10k Figure 4. MIC2178 10V–16.5V to 3.3V/2.5A Regulator BIAS SGND PWRGD COMP PGND FB SW VIN C2 100µF 10V VOUT 3.3V/1A L1 33µH C4 6.8nF C3 0.01µF MIC2178 PWM Skip Mode PWM Mode SYNC EN R1 20k R2 10k VIN 4.5V to 10V C1 22µF 35V U1 20 11 10 18 13 14–17 19 12 4–7 3,8 1,2,9 D1 MBRS130L U1 Micrel MIC2178-3.3BWM C1 AVX TPSE226M035R0300, ESR = 0.3Ω C2 AVX TPSD107M010R0100, ESR = 0.1Ω C3 Z5UorX7R Ceramic Dielectric Material C4 X7RorNP0 Ceramic Dielectric Material D1 Motorola MBRS130LT3 L1 Coiltronics CTX33-3P, DCR = 0.077 Ω L1 Coilcraft DO3316-333, DCR = 0.088Ω L1 Bi HM77-60002, DCR = 0.035Ω R3 10k Figure 5. MIC2178 4.5V–10V to 3.3V/1A Regulator |
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