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Texas Instruments TPS55340 | Demoboard PM20550
TPS55340 Integrated 5-A Wide Input Range Boost/SEPIC/Flyback DC-DC Regulator
Overview
| Topology | SEPIC Buck-Boost Topology |
| Input voltage | 7-16 V |
| Switching frequency | 75-1480 kHz |
| Output 1 | 5 V / 0.2 A |
Description
The PMP20550 is a simple design using a SEPIC to produce 3 power rails in which 2 of those are isolated from the input supply. This design is made entirely with automotive qualified IC's and magnetics. The PMP20550 reference design has been designed with optional components to allow the user to adjust output voltage precision as desired.
Features
- Internal 5-A, 40-V Low-Side MOSFET Switch
- 2.9-V to 32-V Input Voltage Range
- ±0.7% Reference Voltage
- 0.5-mA Operating Quiescent Current
- 2.7-μA Shutdown Supply Current
- Fixed Frequency Current Mode PWM Control
- Frequency Adjustable From 100 kHz to 1.2 MHz
- Synchronization Capability to External Clock
- Adjustable Soft-Start Time
- Pulse Skipping for Higher Efficiency at LightLoads
- Cycle-by-Cycle Current Limit, Thermal Shutdown, and UVLO Protection
- QFN-16 (3-mm × 3-mm) and HTSSOP-14Packages With PowerPAD™
- Wide –40°C to 150°C Operating TJ Range
Typical applications
- Industrial Power Systems
- Thunderbolt Port, USB Type-C Power Delivery, Power Docking for Tablets and Portable PCs
- 3.3-V, 5-V, 12-V, 24-V Power Conversion / Boost, SEPIC, and Flyback Topologies
- ADSL Modems