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Texas Instruments TPS62913
17-VIN, 3-A low noise and low ripple buck converter with integrated ferrite bead filter compensation
Overview
| Topology | Buck Converter |
| Input voltage | 3-17 V |
| Switching frequency | 1000-2000 kHz |
| Output 1 | 5.5 V / 2 A |
| IC revision | A |
Description
The TPS6291x devices are a family of high efficiency low noise and low ripple synchronous buck converters. The devices are ideal for noise sensitive applications that would normally use an LDO for post regulation such as high speed ADCs, Clock and Jitter Cleaner, Serializer, De-serializer, and Radar applications.
Features
- Low output 1/f noise < 20 µVRMS (100 Hz to 100 kHz)
- Low output voltage ripple < 10 µVRMS after ferrite bead
- High PSRR of > 65 dB (up to 100 kHz)
- 2.2-MHz or 1-MHz fixed frequency peak current mode control
- Synchronizable with external clock (optional)
- Integrated loop compensation supports ferrite bead for second stage L-C filter (optional)
- Spread spectrum modulation (optional)
- 3.0-V to 17-V input voltage range
- 0.8-V to 5.5-V output voltage range
- 57-mΩ/20-mΩ RDSon
- Output voltage accuracy of ±1%
- Precise enable input allows
- User-defined undervoltage lockout
- Exact sequencing
- Adjustable soft start
- Power-good output
- Output discharge (optional)
- -40°C to 150°C junction temperature range
- 2.0-mm x 2.0-mm QFN with 0.5-mm pitch
- Create a custom design using the TPS6291x with the WEBENCH Power Designer
Typical applications
- Telecom infrastructure
- Test and measurement
- Medical
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 | Z @ 100 MHz(Ω) | Zmax(Ω) | Test Condition Zmax | IR(A) | Z @ 1 GHz(Ω) | H(mm) | Type | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-MAPI SMT Power Inductor, 2.2 µH, 6.2 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MAPI SMT Power Inductor | Inductance2.2 µH | Performance Rated Current6.2 A | Saturation Current @ 30%7.9 A | DC Resistance29 mΩ | Self Resonant Frequency34 MHz | Operating Voltage80 V | MountSMT | – | – | – | Rated Current4.7 A | – | Height2 mm | – | ||||
| WE-MAPI SMT Power Inductor, 2.2 µH, 7.1 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MAPI SMT Power Inductor | Inductance2.2 µH | Performance Rated Current7.1 A | Saturation Current @ 30%9.2 A | DC Resistance22 mΩ | Self Resonant Frequency35 MHz | Operating Voltage80 V | MountSMT | – | – | – | Rated Current5.2 A | – | Height3.1 mm | – | ||||
 | WE-MPSB EMI Multilayer Power Suppression Bead, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MPSB EMI Multilayer Power Suppression Bead | – | – | – | DC Resistance2.5 mΩ | – | – | MountSMT | Impedance @ 100 MHz8 Ω | Maximum Impedance25 Ω | Maximum Impedance1930 MHz | Rated Current9.5 A | Impedance @ 1 GHz24 Ω | Height0.8 mm | TypeHigh Current | ||||
| WE-MPSB EMI Multilayer Power Suppression Bead, –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MPSB EMI Multilayer Power Suppression Bead | – | – | – | DC Resistance1 mΩ | – | – | MountSMT | Impedance @ 100 MHz10 Ω | Maximum Impedance41 Ω | Maximum Impedance2178 MHz | Rated Current10.5 A | Impedance @ 1 GHz28 Ω | Height1.1 mm | TypeHigh Current |