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Overview
| Topology | Buck Converter |
| Input voltage | 4.75-28 V |
| Output 1 | 1.8 V / 0.5 A |
| Output 2 | 3.3 V / 0.5 A |
| Output 3 | 1.2 V / 0.5 A |
| Output 4 | 1 V / 0.5 A |
| Output 5 | 2.5 V / 0.5 A |
| IC revision | C |
Description
The TPS62175/7 is a high efficiency synchronous step-down DC-DC converter, based on the DCS Control™ topology.
With a wide operating input voltage range of 4.75 to 28V, the device is ideally suited for systems powered from multi cell Li-Ion as well as 12V and even higher intermediate supply rails, providing up to 500mA output current.
The TPS62175/7 automatically enters Power Save Mode at light loads, to maintain high efficiency across the whole load range. As well, it features a Sleep Mode to supply applications with advanced power save modes like ultra low power micro controllers.The Power Good output may be used for power sequencing and/or Power On Reset.
The device features a typical quiescent current of 22uA in normal mode and 4.8uA in Sleep Mode. In Sleep Mode, the efficiency at very low load currentscan be increased by as much as 20%. In shutdown mode, the shutdown current is less than 2uA and the output is actively discharged.
The TPS62175/7, available in an adjustable and a fixed output voltage version, is packaged in a small 2x3mm 10-pin WSON package.
Features
- DCS-Control™ Topology
- Input Voltage Range 4.75 to 28V
- Quiescent Current typ. 4.8µA (Sleep Mode)
- 100% Duty Cycle Mode
- Active Output Discharge
- Power Good Output
- Output Current of 500mA
- Output Voltage Range 1V to 6V
- Switching Frequency of Typically 1MHz
- Seamless Power Save Mode Transition
- Undervoltage Lockout
- Short Circuit Protection
- Over Temperature Protection
- Available in 2 x 3 mm 10-pin WSON Package
Typical applications
- Ultra Mobile PC, Embedded PC
- High Efficiency LDO Alternative
- General 12V/24V Point Of Load Supply
- Low Power Supply for Microprocessor
- Industrial Sensors
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | IR(A) | ISAT(A) | fres(MHz) | Mount | IRP,40K(A) | ISAT,10%(A) | ISAT,30%(A) | RDC max.(mΩ) | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-TPC SMT Tiny Power Inductor, 10 µH, 1 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-TPC SMT Tiny Power Inductor | Inductance10 µH | Rated Current1 A | Saturation Current1.1 A | Self Resonant Frequency41 MHz | MountSMT | – | – | – | DC Resistance190 mΩ | ||||
 | WE-LHMI SMT Power Inductor, 10 µH, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-LHMI SMT Power Inductor | Inductance10 µH | – | – | Self Resonant Frequency23 MHz | MountSMT | Performance Rated Current1.95 A | Saturation Current @ 10%1.5 A | Saturation Current @ 30%3.15 A | DC Resistance243 mΩ |