| Part No.： | LTC3547B |
| Page： | 16 Pages |
| Size： | 233 KB |
| Manufacturer： | Linear Technology |
| Logo： |  |
| Views： | 1 |
| Update Time： | 2023-12-27 10:36:02 |
| DataSheet： | Download |
| Part No. | Packing | SPQ | Marking | MSL | Pins | Temp Range | Package Description | Buy |
| LTC3547BEDDB#PBF | Tube | LCPD | 1 | 8 | -40°C ~ 85°C | 8-Lead (3mm × 2mm) Plastic DFN | ||
| LTC3547BEDDB#TRPBF | Reel | 2500 | LCPD | 1 | 8 | -40°C ~ 85°C | 8-Lead (3mm × 2mm) Plastic DFN | |
| LTC3547BEDDB#TRMPBF | Reel | 500 | LCPD | 1 | 8 | -40°C ~ 85°C | 8-Lead (3mm × 2mm) Plastic DFN | |
| LTC3547BEDDB-1#PBF | Tube | LCPF | 1 | 8 | -40°C ~ 85°C | 8-Lead (3mm × 2mm) Plastic DFN | ||
| LTC3547BEDDB-1#TRPBF | Reel | 2500 | LCPF | 1 | 8 | -40°C ~ 85°C | 8-Lead (3mm × 2mm) Plastic DFN | |
| LTC3547BEDDB-1#TRMPBF | Reel | 500 | LCPF | 1 | 8 | -40°C ~ 85°C | 8-Lead (3mm × 2mm) Plastic DFN | |
| LTC3547BIDDB#PBF | Tube | LCPD | 1 | 8 | -40°C ~ 125°C | 8-Lead (3mm × 2mm) Plastic DFN | ||
| LTC3547BIDDB#TRPBF | Reel | 2500 | LCPD | 1 | 8 | -40°C ~ 125°C | 8-Lead (3mm × 2mm) Plastic DFN | |
| LTC3547BIDDB#TRMPBF | Reel | 500 | LCPD | 1 | 8 | -40°C ~ 125°C | 8-Lead (3mm × 2mm) Plastic DFN |
The LTC3547B is a dual, 2.25MHz, constant-frequency, synchronous step-down DC/DC converter in a tiny 3mm × 2mm DFN package. 100% duty cycle provides low dropout operation, extending battery life in portable systems. Low output voltages are supported with the 0.6V feedback reference voltage. Each regulator can supply 300mA continuous output current.
The input voltage range is 2.5V to 5.5V, making it ideal for Li-Ion polymer and USB powered applications. Supply current is only 1µA in shutdown.
An internally set 2.25MHz switching frequency allows the use of tiny surface mount inductors and capacitors. Internal soft-start reduces inrush current during start-up. All outputs are internally compensated to work with ceramic capacitors. The LTC3547B is available in a low profile (0.75mm) 3mm × 2mm DFN package. The LTC3547B is also available in a fixed output voltage configuration selected via internal resistor dividers.
