Description
TPSM82912, TPSM82913, TPSM82913E SLVSGJ4C * OCTOBER 2022 * REVISED JULY 2023 TPSM8291x 3-V to 17-V, 2-A/3-A Low-Noise and Low-Ripple B.
The TPSM8291x devices are a family of highefficiency, low-noise and low-ripple current mode synchronous buck power modules.
Features
* Low output 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)
Applications
* Telecom infrastructure
* Test and measurement
* Aerospace and defense (radar, avionics)
* Medical
Noise Density (V/Hz)
10 5
2 1 0.5
0.2 0.1 0.05
0.02 0.01 0.005
0.002 0.001 0.0005
1x101
CNRSS = open, 19.6 VRMS CNRSS = 220 nF, 17 VRMS CNRSS = 470 nF, 16.6
