TPSM8291x 3V to 17V, 4.5A/6A, Low Noise and Low Ripple Buck Module With Integrated Ferrite Bead Filter Compensation

1 Features

Low output 1/f noise < 20µV_RMS (100Hz to 100kHz)
Low output voltage ripple < 10µV_RMS after ferrite bead
High PSRR of > 65dB (up to 100kHz)
2.2MHz, 1.4MHz, or 1.0MHz fixed frequency peak current mode control
Synchronizable with external clock (optional)
Integrated loop compensation supports ferrite bead for second stage L-C filter with 30dB attenuation (optional)
Spread spectrum modulation (optional)
3.0V to 17V input voltage range
0.8V to 5.5V output voltage range
25mΩ/7mΩ R_DSon
Output voltage accuracy of ±1% over temperature
Precise enable input allows
- User-defined undervoltage lockout
- Exact sequencing
Adjustable soft start
Power-good output
Output discharge (optional)
–40°C to 125°C junction temperature range
4.0mm × 4.7mm × 3.0mm QFN
Create a custom design using the TPSM8291x with the WEBENCH® Power Designer