GE Industrial Solutions PicoTLynx 3A - Manual (Page 16)

GE
Data Sheet
PicoTLynx TM 3A: Non-Isolated DC-DC Power Modules
2.4Vdc –5.5Vdc input; 0.6Vdc to 3.63Vdc output; 3A Output Current
September 11, 2013 ©2013 General Electric Company. All rights reserved. Page 16
Table 2. General recommended values of of R
TUNE
and C
TUNE
for Vin=5V and various external ceramic capacitor
combinations.
Co 1x47 μF 2x47μF 4x47μF 6x47μF 10x47μF
R
TUNE
33 33 33 33 33
C
TUNE
6800pF 15nF 33nF 47nF 56nF
Table 3. Recommended values of R
TUNE
and C
TUNE
to obtain
transient deviation of ≤2% of Vout for a 1.5A step load with
Vin=5V.
Vo 3.3V 2.5V 1.8V 1.2V 0.6V
Co 1 x 47 μF 2 x 47μF 2 x 47μF 4 x 47μF
2 x 47 μF
+330 μF
Polymer
R
TUNE
33 33 33 33 33
C
TUNE
6800pF 15nF 15nF 33nF 82nF
ΔV 59mV 35mV 35mV 21mV 12mV
Table 4. General recommended values of of R
TUNE
and C
TUNE
for Vin=3.3V and various external ceramic capacitor
combinations.
Co 1x47 μF 2x47μF 4x47μF 6x47μF 10x47μF
R
TUNE
33 33 33 33 33
C
TUNE
15nF 27nF 47nF 56nF 68nF
Table 5. Recommended values of R
TUNE
and C
TUNE
to obtain
transient deviation of ≤2% of Vout for a 1.5A step load with
Vin=3.3V.
Vo 2.5V 1.8V 1.2V 0.6V
Co 2 x 47 μF 2 x 47μF 4 x 47μF
4 x 47 μF
+330 μF Polymer
R
TUNE
33 33 33 33
C
TUNE
22nF 27nF 47nF 150nF
ΔV 46mV 32mV 24mV 12mV