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Texas Instruments TPS61087 | Demoboard PMP15044
TPS61087 650-kHz,1.2-MHz, 18.5-V Step-Up DC-DC Converter With 3.2-A Switch
Overview
| Topology | Flyback Converter |
| Input voltage | 2.5-6 V |
| Switching frequency | 650-1200 kHz |
| Output 1 | 18.5 V |
| IC revision | E1 |
Description
The TPS61087 is a high-frequency, high-efficiency DC-DC converter with an integrated 3.2-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 MHz allows the use of small external inductors and capacitors and provides fast transient response. The external compensation allows optimization of the application for specific conditions. A capacitor connected to the soft-start pin minimizes inrush current at startup.
Features
- 2.5-V to 6-V Input Voltage Range
- 18.5-V Boost Converter With 3.2-A Switch Current
- 650-kHz, 1.2-MHz Selectable Switching Frequency
- Adjustable Soft-Start
- Thermal Shutdown
- Undervoltage Lockout
- 10-Pin QFN and Thin QFN Packages
Typical applications
- USB-supplied system, Solid state drive etc.