Manual

GE
Data Sheet
12V MicroTLynx
TM
12A: Non-Isolated DC-DC Power Modules
4.5Vdc –14Vdc input; 0.69Vdc to 5.5Vdc output; 12A Output Current
May 2, 2013 ©2013 General Electric Company. All rights reserved. Page 21
Example Application Circuit
Requirements:
Vin: 12V
Vout: 1.8V
Iout: 9.0A max., worst case load transient is from 6A to 9A
ΔVout: 1.5% of Vout (27mV) for worst case load transient
Vin, ripple 1.5% of Vin (180mV, p-p)
CI1 22μF/16V ceramic capacitor (e.g. Murata GRM32ER61C226KE20)
CI2 100μF/16V bulk electrolytic
CO1 6 x 47μF/6.3V ceramic capacitor (e.g. Murata GRM31CR60J476ME19)
CO2 330μF/6.3V Polymer (e.g. Sanyo, Poscap)
CTune 15nF 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
VOUT
VS+
GND
TRIM
RTUNE
CTUNE
RTrim
VIN
CO1
+
CI1
CI2
Vin+ Vout+
ON/OFF
Q1
VS-
+
CO2
MODULE