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LTC1772CS6 Datasheet(PDF) 12 Page - Linear Technology |
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LTC1772CS6 Datasheet(HTML) 12 Page - Linear Technology |
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12 / 12 page  12 LTC1772 1772fb LT/LT 0605 500 REV B • PRINTED IN USA RELATED PARTS ©LINEAR TECHNOLOGY CORPORATION 1999 Linear Technology Corporation 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com PART NUMBER DESCRIPTION COMMENTS LTC1147 Series High Efficiency Step-Down Switching Regulator Controllers 100% Duty Cycle, 3.5V ≤ VIN ≤ 16V LT1375/LT1376 1.5A, 500kHz Step-Down Switching Regulators High Frequency, Small Inductor, High Efficiency LTC1622 Low Input Voltage Current Mode Step-Down DC/DC Controller VIN 2V to 10V, IOUT Up to 4.5A, Synchronizable to 750kHz Optional Burst Mode Operation, 8-Lead MSOP LTC1624 High Efficiency SO-8 N-Channel Switching Regulator Controller N-Channel Drive, 3.5V ≤ VIN ≤ 36V LTC1625 No RSENSE TM Synchronous Step-Down Regulator 97% Efficiency, No Sense Resistor LTC1627 Low Voltage, Monolithic Synchronous Step-Down Regulator Low Supply Voltage Range: 2.65V to 8V, IOUT = 0.5A LTC1649 3.3V Input Synchronous Controller No Need for 5V Supply, Uses Standard Logic Gate MOSFETs; IOUT up to 15A LTC1702 550kHz, 2 Phase, Dual Synchronous Controller Two Channels; Minimum CIN and COUT, IOUT up to 15A LTC1735 Single, High Efficiency, Low Noise Synchronous Switching Controller High Efficiency 5V to 3.3V Conversion at up to 15A LTC1771 Ultra-Low Supply Current Step-Down DC/DC Controller 10 µA Supply Current, 93% Efficiency, 1.23V ≤ VOUT ≤ 18V; 2.8V ≤ VIN ≤ 20V LTC1872 SOT-23 Step-Up Controller 2.5V ≤ VIN ≤ 9.8V; 550kHz; 90% Efficiency No RSENSE is a trademark of Linear Technology Corporation. TYPICAL APPLICATIONS LTC1772 3.3V to 5V/1A Boost Regulator ITH/RUN LTC1772 R4 10k R1 0.033 Ω R2 422k R3 80.6k L1 4.7 µH M1 D1 C3 220pF U1: FAIRCHILD NC7SZ04 GND VFB 6 3 4 2 5 5 4 1772 TA03 1 2 3 PGATE VIN SENSE– C1 47 µF 16V ×2 VOUT 5V 1A VIN 3.3V C2 100 µF 10V ×2 + U1 C1: AVXTPSE476M016R0047 C2: AVXTPSE107M010R0100 D1: IR10BQ015 L1: MURATA LQN6C-4R7 M1: Si9804 R1: DALE 0.25W ALSO SEE LTC1872 FOR THIS APPLICATION LTC1772 5V/0.5A Flyback Regulator ITH/RUN LTC1772 R4 10k R1 0.033 Ω 10 µH 10 µH R2 52.3k R3 10k M1 D1 T1 C3 220pF C1: AVXTPSE476M016R0047 C2: AVXTPSE107M010R0100 D1: IR10BQ015 M1: Si9803 R1: DALE 0.25W T1: COILTRONICS CTX10-4 GND VFB 6 5 4 • • 1772 TA04 1 2 3 PGATE VIN SENSE– VIN 2.5V TO 9.8V VOUT 5V 0.5A C2 100 µF 10V ×2 C2 47 µF 16V ×2 C5 150pF CERAMIC R6 100 Ω + C4 100pF CERAMIC R5 22 Ω |
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