Datasheet LT1615, LT1615-1 (Analog Devices) - 7
| Manufacturer | Analog Devices |
| Description | Micropower Step-Up DC/DC Converters in ThinSOT |
| Pages / Page | 8 / 7 — TYPICAL APPLICATIO S. 2-Cell to 3.3V Boost Converter. 2-Cell to 3.3V … |
| File Format / Size | PDF / 168 Kb |
| Document Language | English |
TYPICAL APPLICATIO S. 2-Cell to 3.3V Boost Converter. 2-Cell to 3.3V Converter Efficiency
Model Line for this Datasheet
Text Version of Document
LT1615/LT1615-1
U TYPICAL APPLICATIO S 2-Cell to 3.3V Boost Converter 2-Cell to 3.3V Converter Efficiency
L1 D1 90 4.7µH VIN 3.3V 1.5V TO 3V 60mA 85 VIN = 3V 5 1 4.7pF 80 VIN SW 1M 75 LT1615 C2 V 4 3 22µF IN = 1.5V SHDN FB 70 GND C1 604k 65 4.7µF EFFICIENCY (%) 2 60 C1: TAIYO YUDEN LMK316BJ475 (408) 573-4150 1615/-1 TA03 C2: TAIYO YUDEN JMK325BJ226 (408) 573-4150 55 L1: MURATA LQH3C4R7M24 (814) 237-1431 D1: MOTOROLA MBR0520 (800) 441-2447 50 0.1 1 10 100 LOAD CURRENT (mA) 1615/-1 TA03a
1-Cell Li-Ion to 3.3V SEPIC Converter 4-Cell to 5V SEPIC Converter
C3 C3 L1 L1 1µF 1µF D1 D1 10µH 10µH V 3.3V V IN IN 5V 2.5V TO 4.2V 50mA 3V TO 6V 40mA 5 1 5 1 4.7pF 4.7pF V V IN SW L2 IN SW L2 1M 1M 10µH 10µH LT1615 C2 LT1615 C2 4 3 10µF 4 3 10µF SHDN FB SHDN FB GND GND C1 C1 604k 324k 4.7µF 4.7µF 2 2 C1: TAIYO YUDEN LMK316BJ475 (408) 573-4150 C1: TAIYO YUDEN LMK316BJ475 (408) 573-4150 1615/-1 TA07 1615/-1 TA07 C2: TAIYO YUDEN JMK316BJ106 (408) 573-4150 C2: TAIYO YUDEN JMK316BJ106 (408) 573-4150 C3: TAIYO YUDEN JMK107BJ105 (408) 573-4150 C3: TAIYO YUDEN JMK107BJ105 (408) 573-4150 L1, L2: MURATA LQH3C100K24 (814) 237-1431 L1, L2: MURATA LQH3C100K24 (814) 237-1431 D1: MOTOROLA MBR0520 (800) 441-2447 D1: MOTOROLA MBR0520 (800) 441-2447
PIN Diode Driver 1-Cell to 3.3V Boost Converter
L1 L1 D1 D1 22 22µH µH 35V V V IN 3.3V IN 500 1V TO 1.5V 15mA 1V TO 6V µA 5 1 5 1 4.7pF V V IN SW IN SW 1M 10M C2 LT1615-1 C2 LT1615-1 4 3 1µF 4 3 10µF SHDN FB SHDN FB GND GND C1 C1 604k 365k 4.7 4.7µF µF 2 2 C1: TAIYO YUDEN LMK316BJ475 (408) 573-4150 C1: TAIYO YUDEN EMK316BJ475 (408) 573-4150 1615/-1 TA04 1615/-1 TA09 C2: TAIYO YUDEN JMK316BJ106 (408) 573-4150 C2: TAIYO YUDEN GMK316BJ105 (408) 573-4150 L1: MURATA LQH3C220K24 (814) 237-1431 L1: MURATA LQH3C220K24 (814) 237-1431 D1: CENTRAL SEMICONDUCTOR CMDSH-3 (516) 435-1110 D1: MOTOROLA MBR0540 (800) 441-2447 sn16151 16151fas Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. 7
U TYPICAL APPLICATIO S 2-Cell to 3.3V Boost Converter 2-Cell to 3.3V Converter Efficiency
L1 D1 90 4.7µH VIN 3.3V 1.5V TO 3V 60mA 85 VIN = 3V 5 1 4.7pF 80 VIN SW 1M 75 LT1615 C2 V 4 3 22µF IN = 1.5V SHDN FB 70 GND C1 604k 65 4.7µF EFFICIENCY (%) 2 60 C1: TAIYO YUDEN LMK316BJ475 (408) 573-4150 1615/-1 TA03 C2: TAIYO YUDEN JMK325BJ226 (408) 573-4150 55 L1: MURATA LQH3C4R7M24 (814) 237-1431 D1: MOTOROLA MBR0520 (800) 441-2447 50 0.1 1 10 100 LOAD CURRENT (mA) 1615/-1 TA03a
1-Cell Li-Ion to 3.3V SEPIC Converter 4-Cell to 5V SEPIC Converter
C3 C3 L1 L1 1µF 1µF D1 D1 10µH 10µH V 3.3V V IN IN 5V 2.5V TO 4.2V 50mA 3V TO 6V 40mA 5 1 5 1 4.7pF 4.7pF V V IN SW L2 IN SW L2 1M 1M 10µH 10µH LT1615 C2 LT1615 C2 4 3 10µF 4 3 10µF SHDN FB SHDN FB GND GND C1 C1 604k 324k 4.7µF 4.7µF 2 2 C1: TAIYO YUDEN LMK316BJ475 (408) 573-4150 C1: TAIYO YUDEN LMK316BJ475 (408) 573-4150 1615/-1 TA07 1615/-1 TA07 C2: TAIYO YUDEN JMK316BJ106 (408) 573-4150 C2: TAIYO YUDEN JMK316BJ106 (408) 573-4150 C3: TAIYO YUDEN JMK107BJ105 (408) 573-4150 C3: TAIYO YUDEN JMK107BJ105 (408) 573-4150 L1, L2: MURATA LQH3C100K24 (814) 237-1431 L1, L2: MURATA LQH3C100K24 (814) 237-1431 D1: MOTOROLA MBR0520 (800) 441-2447 D1: MOTOROLA MBR0520 (800) 441-2447
PIN Diode Driver 1-Cell to 3.3V Boost Converter
L1 L1 D1 D1 22 22µH µH 35V V V IN 3.3V IN 500 1V TO 1.5V 15mA 1V TO 6V µA 5 1 5 1 4.7pF V V IN SW IN SW 1M 10M C2 LT1615-1 C2 LT1615-1 4 3 1µF 4 3 10µF SHDN FB SHDN FB GND GND C1 C1 604k 365k 4.7 4.7µF µF 2 2 C1: TAIYO YUDEN LMK316BJ475 (408) 573-4150 C1: TAIYO YUDEN EMK316BJ475 (408) 573-4150 1615/-1 TA04 1615/-1 TA09 C2: TAIYO YUDEN JMK316BJ106 (408) 573-4150 C2: TAIYO YUDEN GMK316BJ105 (408) 573-4150 L1: MURATA LQH3C220K24 (814) 237-1431 L1: MURATA LQH3C220K24 (814) 237-1431 D1: CENTRAL SEMICONDUCTOR CMDSH-3 (516) 435-1110 D1: MOTOROLA MBR0540 (800) 441-2447 sn16151 16151fas Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. 7
