Manual

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 22μF/16V ceramic capacitor (e.g. Murata GRM32ER61C226KE20)
CI2 200μF/16V bulk electrolytic
CO1 5 x 47μF/6.3V ceramic capacitor (e.g. Murata GRM31CR60J476ME19)
CO2 2 x 330μF/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 6.19kΩ SMT resistor (can be 1206, 0805 or 0603 size, recommended tolerance of 0.1%)
MODULE