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Texas Instruments TPSM863252RDX | Demoboard PMP41081E2
TPSM86325x 3V to 17V Input, 3A, Synchronous Buck Module in QFN Package
Overview
| Topology | LLC Resonant Converter |
| Input voltage | 340-420 V |
| Output 1 | 12 V / 84 A |
| IC revision | 001 |
Description
The TPSM86325x is a simple, easy-to-use, high efficiency, high-power density, synchronous buck module with input voltage ranging from 3V to 17V and supports up to 3A continuous current.The TPSM86325x employs D-CAP3 control mode to provide a fast transient response and to support low-ESR output capacitors with no requirement for external compensation. The device can support up to 95% duty cycle operation.
Features
- Configured for a wide range of applications
- 3V to 17V input voltage range
- 0.6V to 10V output voltage range for TPSM863252
- 0.6V to 5.5V output voltage range for TPSM863257
- Fixed 3.3V output voltage for TPSM863253
- 0.6V reference voltage
- ±1% reference accuracy at 25°C
- ±1.5% reference accuracy at –40°C to 125°C
- Integrated 55mΩ and 24mΩ MOSFETs
- 100μA low quiescent current
- 1.2MHz switching frequency
- Maximum 95% large duty cycle operation
- Precision EN threshold voltage
- 1.6ms fixed typical soft-start time
- Ease of use and small design size
- TPSM863252 Eco-mode, TPSM863257 and TPSM863253 FCCM mode at light loading
- Fast transient D-CAP3™ control mode
- Easy layout with integrated bootstrap capacitor and inductor
- Support start-up with prebiased output voltage
- Non-latch for OV, OT, and UVLO protection
- Cycle-by-cycle OC and NOC protection
- –40°C to 125°C operating junction temperature
- 3.3mm × 4mm × 2mm QFN package
- Create a custom design using the TPSM863252 with the WEBENCH® Power Designer
- Create a custom design using the TPSM863253 with the WEBENCH® Power Designer
- Create a custom design using the TPSM863257 with the WEBENCH® Power Designer
Typical applications
- AC/DC adapters/PSU
- Factory automation and control
- Merchant network and server PSU
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IRP,40K(A) | ISAT,30%(A) | RDC typ.(mΩ) | fres(MHz) | VOP(V) | Mount | C | VR(V (DC)) | Endurance(h) | IRIPPLE(mA) | ILeak(µA) | DF(%) | Pitch(mm) | Ø D(mm) | L(mm) | Operation Force(g) | Schematic | Packaging | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-MAPI SMT Power Inductor, 0.47 µH, 3.35 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MAPI SMT Power Inductor | Inductance0.47 µH | Performance Rated Current3.35 A | Saturation Current @ 30%5.65 A | DC Resistance70 mΩ | Self Resonant Frequency160 MHz | Operating Voltage80 V | MountSMT | – | – | – | – | – | – | – | – | Length2.5 mm | – | – | – | ||||
 | WS-SLTV THT Mini Slide Switch, Opposite Side Connection 10x2.5 mm, –, – | Simulation– | Status Activei| Production is active. Expected lifetime: >10 years. | – | – | – | – | – | – | – | – | Rated Voltage12 V (DC) | – | – | – | – | – | – | – | Operation Force800 g | SchematicSPDT | PackagingBulk | ||||
 | WCAP-AT1H Aluminum Electrolytic Capacitors, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-AT1H Aluminum Electrolytic Capacitors | – | – | – | – | – | – | – | Capacitance47 µF | Rated Voltage450 V (DC) | Endurance 10000 | Ripple Current1120 mA | Leakage Current946 µA | Dissipation Factor20 % | Pitch7.5 mm | Diameter18 mm | Length31.5 mm | – | – | PackagingAmmopack |