GE Industrial Solutions 6A Analog PicoDLynx - Manual (Page 18)

GE
Preliminary Data Sheet
6A Analog PicoDLynx TM : Non-Isolated DC-DC Power Modules
3Vdc –14.4Vdc input; 0.6Vdc to 5.5Vdc output; 6A Output Current
December 7, 2012 ©2012 General Electric Company. All rights reserved. Page 18
Example Application Circuit
Requirements:
Vin:
12V
Vout: 1.8V
Iout: 4.5A max., worst case load transient is from 3.0A to 4.5A
ΔVout: 1.5% of Vout (27mV) for worst case load transient
Vin, ripple 1.5% of Vin (180mV, p-p)
CI1 Decoupling cap - 1x0.01 μF/16V ceramic capacitor (e.g. Murata LLL185R71E103MA01)
CI2 1x22 μF/16V ceramic capacitor (e.g. Murata GRM32ER61C226KE20)
CI3 47 μF/16V bulk electrolytic
CO1 Decoupling cap - 1x0.01 μF/16V ceramic capacitor (e.g. Murata LLL185R71E103MA01)
CO2 1 x 47 μF/6.3V ceramic capacitor (e.g. Murata GRM31CR60J476ME19)
CO3 1 x 330 μF/6.3V Polymer (e.g. Sanyo Poscap)
CTune 2200pF ceramic capacitor (can be 1206, 0805 or 0603 size)
RTune 178 ohms SMT resistor (can be 1206, 0805 or 0603 size)
RTrim 10k Ω SMT resistor (can be 1206, 0805 or 0603 size, recommended tolerance of 0.1%)
VOUT
Vout+
TRIM ON/OFF
CO1
+
CI2
PGOOD
CTUNE
RTrim
RTUNE
CI1
GND
MODULE
VIN
+
CO3
SENSE
Vin+
CI2 CO2