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Overview
| Topology | Buck Converter |
| Input voltage | 4-18 V |
| Output 1 | 3.3 V / 3 A |
Description
The TPS563212 is a single, advanced emulated current mode (AECM) control, synchronous buck converter,that is able to deliver 3-A continuous output current, providing selectable Eco-mode operation or FCCM operation and a selectable power-good indicator or external soft start by the configuring the MODE pin. Powersequencing is possible by correctly configuring the enable, power-good indicator, or external soft start. Thedevice implements an AECM control, which can get fast transient response with fixed frequency. The fast transient response results in low voltage drop and fixed frequency brings a better jitter permanence and predictable frequency for EMI design. The optimized internal compensation network minimizes the external component counts and simplifies the control loop design over a wide voltage output range.
Features
- 4.2-V to 18-V input voltage
- 0.6-V to 7-V output voltage
- Up to 3-A continuous output current
- 45-ns minimum switching on time
- 98% maximum duty cycle
- High efficiency
- Integrated 66-mΩ and 33-mΩ MOSFETs
- 120-μA typical quiescent current
- Highly flexible and easy to use
- Selectable Eco-mode or FCCM operation
- Selectable power-good indicator or external soft start – Precise enable input
- High accuracy
- ±1% (25°C) reference voltage accuracy
- ±8.5% switching frequency tolerance
- Small solution size
- Internal compensation for ease of use
- SOT-5X3 package
- Minimum external components
- Cycle-by-cycle current limit for both high-side and low-side MOSFETs
- Non-latched OVP, UVP, UVLO, and TSD protections
- Create a custom design using TPS563212 with the WEBENCH® Power Designer
Typical applications
- Set-top box (STB), digital TV, Smart speaker, Wired networking, broadband, Surveillance
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | C | Tol. C | VR(V (DC)) | Size | Operating Temperature | DF(%) | RISO | Ceramic Type | L(mm) | W(mm) | H(mm) | Fl(mm) | Packaging | L(µH) | IRP,40K(A) | ISAT,30%(A) | RDC typ.(mΩ) | RDC max.(mΩ) | fres(MHz) | Mount | Pins | Type | IR(A) | Working Voltage(V (AC)) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WCAP-CSGP MLCCs 50 V(DC), 100 nF, ±10% | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 50 V(DC) | Capacitance100 nF | Capacitance±10% | Rated Voltage50 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor3 % | Insulation Resistance5 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Width0.8 mm | Height0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | – | – | – | – | – | – | – | – | – | – | – | |||||
 | WR-PHD Pin Header - Single, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWR-PHD Pin Header - Single | – | – | – | – | Operating Temperature -40 °C up to +105 °C | – | Insulation Resistance1000 MΩ | – | Length2.54 mm | – | – | – | PackagingBag | – | – | – | – | – | – | MountTHT | Pins1 | TypeStraight | Rated Current3 A | Working Voltage250 V (AC) | |||
 | WE-XHMI SMT Power Inductor, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-XHMI SMT Power Inductor | – | – | – | Size6030 | Operating Temperature -40 °C up to +125 °C | – | – | – | Length6.65 mm | Width6.45 mm | Height3 mm | – | – | Inductance2.2 µH | Performance Rated Current10.85 A | Saturation Current @ 30%16.25 A | DC Resistance10.5 mΩ | DC Resistance11.55 mΩ | Self Resonant Frequency37 MHz | MountSMT | Pins2 | – | Rated Current8 A | – |