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Overview
| Topology | Boost Converter |
| Input voltage | 2.3-6 V |
| Switching frequency | 650-1200 kHz |
| Output 1 | 12 V / 0.3 A |
| IC revision | B |
Description
The TPS61085 is a high frequency, high efficiency DC to DC converter with an integrated 2.0 A, 0.13 Ω power switch capable of providing an output voltage up to 18.5 V. The selectable frequency of 650 kHz or 1.2 MHzallows the use of small external inductors and capacitors and provides fast transient response. The external compensation allows optimizing the application for specific conditions. A capacitor connected to the soft-start pin minimizes inrush current at startup.
Features
- 2.3 V to 6 V Input Voltage Range
- 18.5 V Boost Converter With 2.0 A Switch Current
- 650 kHz/1.2 MHz Selectable Switching Frequency
- Adjustable Soft-Start
- Thermal Shutdown
- Undervoltage Lockout
- 8-Pin MSOP Package
- 8-Pin TSSOP Package
Typical applications
- Portable Applications
- Handheld Devices
- Digital Still Camera
- TFT LCD Bias Supply
- PCMCIA Card
- DSL Modem
- GPS Receiver
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IRP,40K(A) | ISAT(A) | RDC max.(mΩ) | fres(MHz) | Size | Version | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-PD SMT Power Inductor, 4.7 µH, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Inductance4.7 µH | – | Saturation Current2.5 A | DC Resistance78 mΩ | Self Resonant Frequency53 MHz | Size6033 | VersionRobust | ||||
| WE-PD SMT Power Inductor, 10 µH, 2.9 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-PD SMT Power Inductor | Inductance10 µH | Performance Rated Current2.9 A | – | DC Resistance72 mΩ | Self Resonant Frequency32 MHz | Size7332 | VersionRobust |