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Overview
| Topology | Buck Converter |
| Input voltage | 4.5-17 V |
| Output 1 | 1.05 V / 1.6 A |
| IC revision | 1 |
Description
The TPS561201 and TPS561208 are simple, easy-touse,1-A synchronous step-down converters in SOT23package.The devices are optimized to operate with minimumexternal component counts and also optimized toachieve low standby current.These switch mode power supply (SMPS) devicesemploy D-CAP2 mode control providing a fasttransient response and supporting both lowequivalent series resistance (ESR) output capacitorssuch as specialty polymer and ultra-low ESR ceramiccapacitors with no external compensationcomponents.The TPS561201 operates in pulse skip mode, whichmaintains high efficiency during light load operation.The TPS561201 and TPS561208 are available in a 6-pin 1.6 × 2.9 (mm) SOT (DDC) package andspecified from –40°C to 125°C of junctiontemperature.
Features
TPS561201 and TPS561208 1-A Converter Integrated 140-mΩ and 84-mΩ FETsD-CAP2™ Mode Control With Fast Transient ResponseInput Voltage Range: 4.5 V to 17 VOutput Voltage Range: 0.76 V to 7 VPulse-Skip Mode (TPS561201) or Continuous Current Mode (TPS561208)580-kHz Switching FrequencyLow Shutdown Current Less than 10 µA2% Feedback Voltage Accuracy (25°C)Startup from Pre-Biased Output VoltageCycle-by-Cycle Overcurrent LimitHiccup-Mode Overcurrent ProtectionNon-Latch UVP and TSD ProtectionsFixed Soft-Start: 1.0 msCreate a Custom Design Using the TPS56120x With the WEBENCH® Power Designer
Typical applications
- Surveillance
- • Digital TV Power Supply
- High Definition Blu-ray™ Disc Players/ Digital Set-Top Box (STB)
- Networking Home Terminal
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC(mΩ) | fres(MHz) | Material | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-HCI SMT Flat Wire High Current Inductor, 2.2 µH, 10.2 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-HCI SMT Flat Wire High Current Inductor | Inductance2.2 µH | Performance Rated Current10.2 A | Saturation Current @ 10%5.6 A | Saturation Current @ 30%13 A | DC Resistance11.4 mΩ | Self Resonant Frequency52 MHz | MaterialSuperflux |