The TPS62745 is a high efficiency ultra low power synchronous step down converter optimized for low power wireless applications. It provides a regulated output voltage consuming only 400-nA quiescent current. The device operates from two rechargeable Li-Ion batteries, Li-primary battery chemistries such as Li-SOCl2, Li-SO2, Li-MnO2 or four to six cell alkali.
•1 Input Voltage Range VIN from 3.3 V to 10 V
• Typical 400 nA Quiescent Current
• Up to 90% efficiency with load currents >15 µA
• Up to 300 mA Output Current
• RF Friendly DCS-Control™
• Low Output Ripple Voltage
• 16 Selectable Output Voltages from
– 1.8 V to 3.3 V (TPS62745)
– 1.3 V to 2.8 V (TPS627451)
• Integrated input voltage switch
• Integrated Discharge Function at VOUT
• Open Drain Power Good Output
• Operates with a Tiny 3.3 µH or 4.7 µH Inductor
• Small 3 mm x 2 mm WSON Package
2 Applications
• Bluetooth® Low Energy, RF4CE, Zigbee
• Industrial Metering
• Energy Harvesting
3 Descr.
No. | Partie # | Fabricant | Description | Fiche Technique |
---|---|---|---|---|
1 | TPS62740 |
Texas Instruments |
Step Down Converter | |
2 | TPS62742 |
Texas Instruments |
Step Down Converter | |
3 | TPS62743 |
Texas Instruments |
300/400mA High Efficiency Buck Converter | |
4 | TPS627431 |
Texas Instruments |
300/400mA High Efficiency Buck Converter | |
5 | TPS627451 |
Texas Instruments |
Dual-cell Ultra Low Step Down Converter | |
6 | TPS62746 |
Texas Instruments |
300/400mA High Efficiency Buck Converter | |
7 | TPS62748 |
Texas Instruments |
300/400mA High Efficiency Buck Converter | |
8 | TPS62700 |
Texas Instruments |
2MHz 650mA Step Down Converter | |
9 | TPS62701 |
Texas Instruments |
2MHz 650mA Step Down Converter | |
10 | TPS62730 |
Texas Instruments |
Step-Down Converter | |
11 | TPS62732 |
Texas Instruments |
Step-Down Converter | |
12 | TPS62733 |
Texas Instruments |
Step-Down Converter |