Datasheet LTC3785 (Analog Devices) - 20
| 制造商 | Analog Devices |
| 描述 | 10V, High Efficiency, Synchronous, No RSENSE Buck-Boost Controller |
| 页数 / 页 | 20 / 20 — Li-Ion/9V Wall Adapter to 5V/2A. PART NUMBER DESCRIPTION. COMMENTS |
| 文件格式/大小 | PDF / 287 Kb |
| 文件语言 | 英语 |
Li-Ion/9V Wall Adapter to 5V/2A. PART NUMBER DESCRIPTION. COMMENTS
该数据表的模型线
文件文字版本
LTC3785 Typical applicaTion
Li-Ion/9V Wall Adapter to 5V/2A
VIN 9V REGULATED 2.7V TO 10V WALL ADAPTER C + VCC Li-Ion 1nF 4.7µF VIN 2.7V TO 4.2V RUN/SS VCC 205k ISVIN 66.5k CIN V MA = MB = MC = MD = 1/2 Si7940DY SENSE TG1 MA 22µF L1 = RLF7030T-3R3M4R1 CMDSH-3 D1 = D2 = PMEG2020EJ VBST1 270pF CA 0.22µF SW1 205k 1.3k I OPTIONAL SSW1 VDRV L1 FB BG1 MB D1 3.3µH 1nF 66.5k 12k LTC3785 VC 59k VOUT RT ISVOUT 5V OPTIONAL 2A TG2 MD D2 CMDSH-3 MODE VBST2 CB 0.22µF 42.2k SW2 COUT ILSET ISSW2 100µF CCM BG2 MC GND 3785 TA03 relaTeD parTs
PART NUMBER DESCRIPTION COMMENTS
LTC3780 High Efficiency (Up to 98%), Synchronous 4V ≤ VIN ≤ 36V, 0.8V ≤ VOUT ≤ 30V, SSOP-24, 5mm × 5mm QFN-32 4-Switch Buck-Boost Controller LTM4605 High Efficiency Buck-Boost DC/DC µModule 4.5V ≤ VIN ≤ 20V, 0.8V ≤ VOUT ≤ 16V, 15mm × 15mm × 2.8mm Complete Power Supply LTM4607 High Efficiency Buck-Boost DC/DC µModule 4.5V ≤ VIN ≤ 36V, 0.8V ≤ VOUT ≤ 25V, 15mm × 15mm × 2.8mm Complete Power Supply LTM4609 High Efficiency Buck-Boost DC/DC µModule 4.5V ≤ VIN ≤ 36V, 0.8V ≤ VOUT ≤ 34V, 15mm × 15mm × 2.8mm Complete Power Supply LTC3533 2A Synchronous Buck-Boost Monolithic DC/DC 1.8V ≤ VIN ≤ 5.5V, 1.8V ≤ VOUT ≤ 5.25V, IQ = 40µA, ISD < 1µA, 3mm × 4mm DFN-14 Converter LTC3441 1.2A Synchronous Buck-Boost Monolithic DC/DC 2.4V ≤ VIN ≤ 5.5V, 2.4V ≤ VOUT ≤ 5.25V, IQ = 25µA, ISD < 1µA, 3mm × 4mm DFN-12 Converter LTC3440 600mA Synchronous Buck-Boost Monolithic 2.5V ≤ VIN ≤ 5.5V, 2.5V ≤ VOUT ≤ 5.5V, IQ = 25µA, ISD < 1µA, 3mm × 3mm DFN-10, DC/DC Converter MSOP-10 LTC3444 500mA Synchronous Buck-Boost Monolithic 2.7V ≤ VIN ≤ 5.5V, ≤ 0.5V VOUT ≤ 5.25V, Optimized for WCDMA RF Amplifier Bias, DC/DC Converter 3mm × 3mm DFN-8 LTC3532 500mA Synchronous Buck-Boost Monolithic 2.4V ≤ VIN ≤ 5.5V, 2.4V ≤ VOUT ≤ 5.25V, IQ = 35µA, ISD < 1µA, 3mm × 3mm DFN-10, DC/DC Converter MSOP-10 LTC3531 200mA Synchronous Buck-Boost Monolithic 1.8V ≤ VIN ≤ to 5.5V, 2V ≤ VOUT ≤ 5V, IQ = 35µA, ISD < 1µA, 3mm × 3mm DFN-8, LTC3531-3 DC/DC Converter ThinSOT-23 LTC3531-3.3 µModule is a registered trademark of Linear Technology Corporation. 3785fc 0 Linear Technology Corporation LT 0310 REV C • PRINTED IN USA 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com LINEAR TECHNOLOGY CORPORATION 2007 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Application Package Description Revision History Typical Application Related Parts
Li-Ion/9V Wall Adapter to 5V/2A
VIN 9V REGULATED 2.7V TO 10V WALL ADAPTER C + VCC Li-Ion 1nF 4.7µF VIN 2.7V TO 4.2V RUN/SS VCC 205k ISVIN 66.5k CIN V MA = MB = MC = MD = 1/2 Si7940DY SENSE TG1 MA 22µF L1 = RLF7030T-3R3M4R1 CMDSH-3 D1 = D2 = PMEG2020EJ VBST1 270pF CA 0.22µF SW1 205k 1.3k I OPTIONAL SSW1 VDRV L1 FB BG1 MB D1 3.3µH 1nF 66.5k 12k LTC3785 VC 59k VOUT RT ISVOUT 5V OPTIONAL 2A TG2 MD D2 CMDSH-3 MODE VBST2 CB 0.22µF 42.2k SW2 COUT ILSET ISSW2 100µF CCM BG2 MC GND 3785 TA03 relaTeD parTs
PART NUMBER DESCRIPTION COMMENTS
LTC3780 High Efficiency (Up to 98%), Synchronous 4V ≤ VIN ≤ 36V, 0.8V ≤ VOUT ≤ 30V, SSOP-24, 5mm × 5mm QFN-32 4-Switch Buck-Boost Controller LTM4605 High Efficiency Buck-Boost DC/DC µModule 4.5V ≤ VIN ≤ 20V, 0.8V ≤ VOUT ≤ 16V, 15mm × 15mm × 2.8mm Complete Power Supply LTM4607 High Efficiency Buck-Boost DC/DC µModule 4.5V ≤ VIN ≤ 36V, 0.8V ≤ VOUT ≤ 25V, 15mm × 15mm × 2.8mm Complete Power Supply LTM4609 High Efficiency Buck-Boost DC/DC µModule 4.5V ≤ VIN ≤ 36V, 0.8V ≤ VOUT ≤ 34V, 15mm × 15mm × 2.8mm Complete Power Supply LTC3533 2A Synchronous Buck-Boost Monolithic DC/DC 1.8V ≤ VIN ≤ 5.5V, 1.8V ≤ VOUT ≤ 5.25V, IQ = 40µA, ISD < 1µA, 3mm × 4mm DFN-14 Converter LTC3441 1.2A Synchronous Buck-Boost Monolithic DC/DC 2.4V ≤ VIN ≤ 5.5V, 2.4V ≤ VOUT ≤ 5.25V, IQ = 25µA, ISD < 1µA, 3mm × 4mm DFN-12 Converter LTC3440 600mA Synchronous Buck-Boost Monolithic 2.5V ≤ VIN ≤ 5.5V, 2.5V ≤ VOUT ≤ 5.5V, IQ = 25µA, ISD < 1µA, 3mm × 3mm DFN-10, DC/DC Converter MSOP-10 LTC3444 500mA Synchronous Buck-Boost Monolithic 2.7V ≤ VIN ≤ 5.5V, ≤ 0.5V VOUT ≤ 5.25V, Optimized for WCDMA RF Amplifier Bias, DC/DC Converter 3mm × 3mm DFN-8 LTC3532 500mA Synchronous Buck-Boost Monolithic 2.4V ≤ VIN ≤ 5.5V, 2.4V ≤ VOUT ≤ 5.25V, IQ = 35µA, ISD < 1µA, 3mm × 3mm DFN-10, DC/DC Converter MSOP-10 LTC3531 200mA Synchronous Buck-Boost Monolithic 1.8V ≤ VIN ≤ to 5.5V, 2V ≤ VOUT ≤ 5V, IQ = 35µA, ISD < 1µA, 3mm × 3mm DFN-8, LTC3531-3 DC/DC Converter ThinSOT-23 LTC3531-3.3 µModule is a registered trademark of Linear Technology Corporation. 3785fc 0 Linear Technology Corporation LT 0310 REV C • PRINTED IN USA 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com LINEAR TECHNOLOGY CORPORATION 2007 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Application Package Description Revision History Typical Application Related Parts