GE Industrial Solutions 12V TLynx 20A - Manual (Page 21)

GE
Data Sheet
12V TLynx TM 20A: Non-Isolated DC-DC Power Modules
4.5Vdc –14Vdc input; 0.69Vdc to 5.5Vdc output; 20A Output Current
May 2, 2013 ©2013 General Electric Company. All rights reserved. Page 21
Example Application Circuit
Requirements:
Vin:
12V
Vout: 1.8V
Iout: 15A max., worst case load transient is from 10A to 15A
ΔVout: 1.5% of Vout (36mV) for worst case load transient
Vin, ripple 1.5% of Vin (180mV, p-p)
MODULE
TRIM
VOUT
S+
RTUNE
GND
CTUNE
RTrim
CO1
VIN
+
CI2 CI1
Vout+ Vin+
Q1
ON/OFF
S-
+
CO2
CI1 2 x 22 μF/16V ceramic capacitor (e.g. Murata GRM32ER61C226KE20)
CI2 200 μF/16V bulk electrolytic
CO1 5 x 47 μF/6.3V ceramic capacitor (e.g. Murata GRM31CR60J476ME19)
CO2 2 x 330 μF/6.3V Polymer (e.g. Sanyo, Poscap)
CTune 22nF ceramic capacitor (can be 1206, 0805 or 0603 size)
RTune 150 ohms SMT resistor (can be 1206, 0805 or 0603 size)
RTrim 6.19k Ω SMT resistor (can be 1206, 0805 or 0603 size, recommended tolerance of 0.1%)
MODULE