GE Industrial Solutions 2A DLynx - Manual (Page 19)

GE Energy
Datasheet
2A DLynx TM : Non-Isolated DC-DC Power Modules
3Vdc –14Vdc input; 0.6Vdc to 5.5Vdc output; 2A Output Current
June 24, 2013 ©2012 General Electric Company. All rights reserved. Page 19
Example Application Circuit
Requirements:
Vin:
12V
Vout: 1.8V
Iout: 1A max., worst case load transient is from 1A to 1.5A
ΔVout: 1.5% of Vout (27mV) for worst case load transient
Vin, ripple 1.5% of Vin (180mV, p-p)
CI1
1x0.1 μF/16V ceramic capacitor (0402 size)
CI2 1x10 μF/16V ceramic capacitor (e.g. TDK C Series)
CI2 100 μF/16V bulk electrolytic
CO1 1x0.1 μF/16V ceramic capacitor (0402 size)
CO1 2x47 μF/6.3V ceramic capacitor (e.g. TDK C Series, Murata GRM32ER60J476ME20)
CTune 5600pF ceramic capacitor
RTune 150 ohms SMT resistor
RTrim 5k Ω SMT resistor (recommended tolerance of 0.1%)
MODULE
VOUT
SENSE
GND
TRIM
RTUNE
CTUNE
RTrim
VIN
CO1 + CI3 CI1
Vin+ Vout+
ON/OFF
Q3
CI2
CO2