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Overview
| Topology | Buck Converter |
| Input voltage | 4.5-17 V |
| Output 1 | 7 V / 3 A |
| IC revision | * |
Description
The TPS563240 is a simple, easy-to-use, 3-A synchronous step-down regulator in SOT-23 package. The peak transient output current can be 3.5A. The devices are optimized to operate with minimum external component counts and also optimized to achieve low standby current. This switching regulator employs D-CAP3 mode control providing a fast transient response and supporting both low-equivalent series resistance (ESR) output capacitors such as specialty polymer and ultra-low ESR ceramic capacitors with no external compensation components. TPS563240 operates in pulse skip mode, which maintains high efficiency during light load operation. With Out-of-Audio™ (OOA) operation implemented, The TPS563240 maintain Fsw over 25kHz under light load condition. The TPS563240 is available in a 6-pin 1.6-mm × 2.9-mm SOT (DDC) package, and specified from a –40°C to 125°C junction temperature.
Features
- 3-A converter integrated 70-mΩ and 30-mΩ FETs, support 3.5-A transient
- D-CAP3™ mode control with fast transient response
- Input voltage range: 4.5 V to 17 V
- Output voltage range: 0.6 V to 7 V
- Pulse-skip mode with Out-of-Audio™ (OOA) operation, light load operation with Fs over 25 kHz
- 1.4-MHz switching frequency
- Low shutdown current less than 10 μA
- 1% feedback voltage accuracy (25 ºC)
- Startup from pre-biased output voltage
- Cycle-by-cycle overcurrent limit
- Hiccup-mode overcurrent protection
- Non-latch UVP and TSD protections
- Fixed soft start: 1.7 ms
Typical applications
- Wireless routers / Access point networks / Broadband modem
- Surveillance
- TV / set-top boxes
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 | ISAT,10%(A) | RDC(mΩ) | Material | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-MAPI SMT Power Inductor, 0.56 µH, 13.65 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MAPI SMT Power Inductor | Inductance0.56 µH | Performance Rated Current13.65 A | Saturation Current @ 30%14.7 A | DC Resistance7 mΩ | Self Resonant Frequency85 MHz | Operating Voltage80 V | MountSMT | Saturation Current @ 10%6.9 A | – | – | ||||
| WE-MAPI SMT Power Inductor, 0.68 µH, 13.15 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MAPI SMT Power Inductor | Inductance0.68 µH | Performance Rated Current13.15 A | Saturation Current @ 30%12.7 A | DC Resistance7.5 mΩ | Self Resonant Frequency75 MHz | Operating Voltage80 V | MountSMT | Saturation Current @ 10%5.8 A | – | – | ||||
 | WE-HCI SMT Flat Wire High Current Inductor, 1 µH, 16.8 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance1 µH | Performance Rated Current16.8 A | Saturation Current @ 30%19 A | – | Self Resonant Frequency85 MHz | – | MountSMT | Saturation Current @ 10%8 A | DC Resistance4.6 mΩ | MaterialSuperflux | ||||
| WE-HCI SMT Flat Wire High Current Inductor, 1.5 µH, 13.8 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance1.5 µH | Performance Rated Current13.8 A | Saturation Current @ 30%14 A | – | Self Resonant Frequency72 MHz | – | MountSMT | Saturation Current @ 10%4.5 A | DC Resistance6.6 mΩ | MaterialSuperflux |