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LTC1143CS Datasheet(PDF) 17 Page - Linear Technology |
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LTC1143CS Datasheet(HTML) 17 Page - Linear Technology |
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17 / 20 page  17 LTC1143/LTC1143L LTC1143L-ADJ + + + P-DRIVE 3 SENSE+ 3 SENSE– 3 GND3 GND5 CT3 ITH3 ITH5 CT5 SENSE– 5 SENSE+ 5 P-DRIVE 5 VIN3 SHUTDOWN 5 VIN5 LTC1143L CT5 220pF CT3 270pF 314 15 7 6 11 RC5 1k CC3 3300pF CC5 3300pF RC3 1k 13 10 5 12 9 8 4 1 16 VOUT5 5V/2A COUT5 220 µF 10V × 2 RSENSE5 0.05 Ω L2 25 µH D2 MBRS140T3 P1: FAIRCHILD NDS8934 RSENSE3: IRC LR2512-01-OR100G RSENSE5: IRC LR2512-01-ORO5OG D1 MBRS140T3 0V = NORMAL >1.5V = SHUTDOWN CIN5 22 µF 25V × 2 CIN3 22 µF 25V × 2 P1A COUT3 220 µF 10V L1 50 µH RSENSE3 0.10 Ω VOUT3 3.3V/1A VIN RANGE VOUT5 ON: 5.2V TO 8V VOUT5 SHUTDOWN: 3.5V TO 8V + + P1B 0.01 µF 0.01 µF 1143 F10 0.22 µF 0.22 µF + SHUTDOWN 3 2 CIN3, CIN5: AVX TPSD226K025R0200 COUT3, COUT5: AVX TPSE227M010R0080 L2: COILTRONICS CTX50-4 L2: COILTRONICS CTX25-4 1000pF 100pF + + + 1000pF 100pF P-DRIVE 1 SENSE+ 1 SENSE– 1 VFB1 VFB2 GND1 CT1 ITH1 ITH2 CT2 GND2 SENSE– 2 SENSE+ 2 P-DRIVE 2 VIN1 VIN2 LTC1143L-ADJ CT2 300pF 3 2 14 15 7 611 RC2 1k CC1 3300pF CC2 3300pF CT1 220pF RC1 510 Ω 0.22 µF 13 5 12 9 8 10 4 1 16 VOUT2 2.5V/2A COUT2 220 µF 10V × 2 RSENSE2 0.04 Ω 100 Ω 100 Ω P2 L2 27 µH D2 MBRS320T3 0.22 µF CIN2 22 µF 25V × 2 CIN1 22 µF 25V × 3 P1 D1 MBRS320T3 COUT1 330 µF 6.3V × 2 L1 15 µH RSENSE1 0.025 Ω 100 Ω 100 Ω R2 22.1k 1% 5.6k R1 49.9k 1% VOUT1 1.8V/3A R3 49.9k 1% R4 49.9k 1% 8.2k VIN 4V TO 14V 1143 F11 + CIN1, CIN2: AVX TPSD226K025R0200 COUT1: AVX TPSE337M006R0100 COUT2: AVX TPSE227M010R0100 100pF P1: IR IRF7406 P2: IR IRF7204 L1: SUMIDA CDRH125-150 L2: SUMIDA CDRH125-270 RSENSE1: DALE WSL-2010-.025 RSENSE2: DALE WSL-2010-.04 Figure 11. Dual 1.8V/3A and 2.5V/2A with Burst Mode Defeated Figure 10. All Surface Mount Low Dropout Dual 5V/2A, 3.3V/1A Converter TYPICAL APPLICATIONS |
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