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Overview
| Topology | Boost Converter |
| Input voltage | 0.7-3.3 V |
| Switching frequency | 500-2000 kHz |
| Output 1 | 3.3 V / 0.4 A |
| IC revision | A |
Description
The TLV61225 provides a power-supply solution for products powered by either a single-cell or two-cell alkaline or NiMH, or one-cell Li-primary battery. Possible output currents depend on the input-to-output voltage ratio. The boost converter is based on a hysteretic controller topology using synchronous rectification to obtain maximum efficiency at minimal quiescent currents. The output voltage of this device is set internally to a fixed outputvoltage of 3.3 V. The converter can be switched off by a featured enable pin. While being switched off, battery drain is minimized. The device is offered in a 6-pin SC-70 package (DCK) measuring 2 mm x 2 mm to enable small circuit layout size.
Features
- Up to 94% Efficiency at Typical Operating Conditions
- 5 mA Quiescent Current
- Operating Input Voltage from 0.7 V to 3.3 V
- Pass-Through Function during Shutdown
- More than 40mA Output Current from a 1.2V Input
- Typical Switch Current Rating 400 mA
- Output Overvoltage Protection
- Overtemperature Protection
- Fixed 3.3 V Output Voltage
- Small 6-pin SC-70 Package
Typical applications
- Consumer and Portable Medical Products , Personal Care Products
- Battery Powered Applications
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IR(A) | ISAT(A) | fres(MHz) | Mount | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-TPC SMT Tiny Power Inductor, 4.7 µH, 1.2 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TPC SMT Tiny Power Inductor | Inductance4.7 µH | Rated Current1.2 A | Saturation Current0.9 A | Self Resonant Frequency75 MHz | MountSMT |