Example application circuit – GE Industrial Solutions 12V Mega TLynx User Manual

Page 17

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Data Sheet
May 4, 2012

12V Mega TLynx

TM

: Non-Isolated DC-DC Power Modules:

6.0 – 14Vdc Input; 0.8Vdc to 3.63Vdc Output; 30A output

current

LINEAGE

POWER

17

Example Application Circuit

Requirements:
Vin:

12V

Vout:

1.8V

Iout:

22.5A max., worst case load transient is from 15A to 22.5A

ΔVout:

1.5% of Vout (27mV) for worst case load transient

Vin, ripple

1.5% of Vin (180mV, p-p)


CI1

2x22

μF/16V ceramic capacitor (e.g. TDK C Series)

CI2

100

μF/16V bulk electrolytic

CO1

3x47

μF/6.3V ceramic capacitor (e.g. TDK C Series, Murata GRM32ER60J476ME20)

CO2

2x470

μF/4V Polymer/poscap, Low EST (e.g. Sanyo Poscap 4TPE470MCL/4TPF470ML)

CTune

15nF ceramic capacitor

RTune

430 ohms SMT resistor

RTrim

8k

Ω SMT resistor (recommended tolerance of 0.1%)

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