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LTC3823IGN Datasheet(PDF) 26 Page - Linear Technology |
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LTC3823IGN Datasheet(HTML) 26 Page - Linear Technology |
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26 / 26 page  LTC3823 26 3823fd Linear Technology Corporation 1630McCarthyBlvd.,Milpitas,CA95035-7417 (408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com © LINEAR TECHNOLOGY CORPORATION 2006 LT 1209 REV D • PRINTED IN USA RELATED PARTS TYPICAL APPLICATION CP 1000pF VOUTSENSE – VRNG VFB ITH SGND ION VDIFFOUT NC VOUTSENSE + 24 23 22 21 20 19 18 17 1 2 3 4 5 6 7 8 SENSE+ SENSE– PGND BG DRVCC INTVCC Z2 Z1/SSENABLE NC TRACK/SS PLLFLTR PLLIN VIN VINSNS ZVCC PGOOD VON 32 RON 90k 1% RC 1.5k 1% R4 5.11k 1% R5 10.2k 1% RBOOST 0Ω RRUN 100k R1 23.2k 1% RPG 100k R2 27.1k 1% C6 220pF CC2 100pF CPL 0.01μF CSS 0.1μF RVIN 10Ω CVIN 0.1μF CVCC 10μF 6.3V C9 47μF 6.3V 3 Q2 Si4874 Q1 Si4884 R6 11k R3 39k E4 PGOOD E1 INTVCC INTVCC VIN E2 RUN E10 TRACK/SS E12 GND 300kHz E13 GND E11 PLLIN CC1 6800pF 31 30 29 28 27 26 DB CMDSH-3-LTC C5 0.22μF 910 11 12 13 14 15 16 RUN FCB LTC3823UH Z0 BOOST TG SW RPL 10k D1 B320A L1 1μH IHLP-2525CZ-01 C7 180μF + R7 100Ω 1% C2 10μF 16V 3 R8 100Ω 1% E9 VOUTSENSE – E6 VOUTSENSE + E8 GND E5 GND E7 VOUT 1.8V/10A E3 VIN 4.5V TO 16V E14 VOUT E15 GND 3823 TA03 Design Example: 1.8V/10A with Synchronization PART NUMBER DESCRIPTION COMMENTS LTC3854 Small Footprint Wide VIN Range Synchronous Step-Down DC/DC Controller Fixed 400kHz Operating Frequency, 4.5V ≤ VIN ≤ 38V, 0.8V ≤ VOUT ≤ 5.25V, 2mm × 3mm QFN-12 LTC3851A/ LTC3851A-1 No RSENSE Wide VIN Range Synchronous Step-Down DC/DC Controller Phase-Lockable Fixed Operating Frequency 250kHz to 750kHz, 4V ≤ VIN ≤ 38V, 0.8V ≤ VOUT ≤ 5.25V, MSOP-16E, 3mm × 3mm QFN-16, SSOP-16 LTC3878 No RSENSE Constant On-Time Synchronous Step-Down DC/DC Controller Very Fast Transient Response, tON(MIN) = 43ns, 4V ≤ VIN ≤ 38V, 0.8V ≤ VOUT ≤ 0.9VIN, SSOP-16 LTC3879 No RSENSE Constant On-Time Synchronous Step-Down DC/DC Controller Very Fast Transient Response, tON(MIN)= 43ns, 4V ≤ VIN ≤ 38V, 0.6V ≤ VOUT ≤ 0.9VIN, MSOP-16E, 3mm × 3mm QFN-16 LTC3850/LTC3850-1/ LTC3850-2 Dual 2-Phase, High Efficiency Synchronous Step-Down DC/DC Controllers, RSENSE or DCR Current Sensing and Tracking Phase-Lockable Fixed Operating Frequency 250kHz to 780kHz, 4V ≤ VIN ≤ 30V, 0.8V ≤ VOUT ≤ 5.25V LTC3855 Dual, Multiphase Synchronous Step-Down DC/DC with Differential Remote Sense Phase-Lockable Fixed Operating Frequency 250kHz to 770kHz, 4.5V ≤ VIN ≤ 38V, 0.8V ≤ VOUT ≤ 12.5V LTM4600HV 10A DC/DC μModule ® Complete Power Supply High Efficiency, Compact Size, Ultrafast Transient Response, 4.5V ≤ VIN ≤ 28V, 0.8V ≤ VOUT ≤ 5V, 15mm × 15mm × 2.8mm LTM4601AHV 12A DC/DC μModule Complete Power Supply High Efficiency, Compact Size, Ultrafast Transient Response, 4.5V ≤ VIN ≤ 28V, 0.8V ≤ VOUT ≤ 5V, 15mm × 15mm × 2.8mm LTC3610 12A, 1MHz, Monolithic Synchronous Step-Down DC/DC Converter High Efficiency, Adjustable Constant On-Time, 4V ≤ VIN ≤ 24V, VOUT(MIN) 0.6V, 9mm × 9mm QFN-64 LTC3611 10A, 1MHz, Monolithic Synchronous Step-Down DC/DC Converter High Efficiency, Adjustable Constant On-Time, 4V ≤ VIN ≤ 32V, VOUT(MIN) 0.6V, 9mm × 9mm QFN-64 μModule is a registered trademark of Linear Technology Corporation. |
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