Data Sheet
12V TLynxTM: Non-isolated DC-DC Power Modules
July 24, 2009
4.5 – 14Vdc input; 0.69Vdc to 5.5Vdc output; 20A output current
Example Application Circuit
Requirements:
Vin:
12V
Vout:
1.8V
Iout:
15A max., worst case load transient is from 10A to 15A
1.5% of Vout (36mV) for worst case load transient
1.5% of Vin (180mV, p-p)
ΔVout:
Vin, ripple
Vin+
Vout+
VIN
VOUT
S+
RTUNE
CTUNE
RTrim
MODULE
MODULE
+
+
CI1
CI2
CO1
CO2
ON/OFF
GND
TRIM
S-
Q1
CI1
2 x 22μF/16V ceramic capacitor (e.g. Murata GRM32ER61C226KE20)
200μF/16V bulk electrolytic
CI2
CO1
5 x 47μF/6.3V ceramic capacitor (e.g. Murata GRM31CR60J476ME19)
2 x 330μF/6.3V Polymer (e.g. Sanyo, Poscap)
CO2
CTune
RTune
RTrim
22nF ceramic capacitor (can be 1206, 0805 or 0603 size)
150 ohms SMT resistor (can be 1206, 0805 or 0603 size)
6.19kΩ SMT resistor (can be 1206, 0805 or 0603 size, recommended tolerance of 0.1%)
LINEAGE POWER
21
LINEAGEPOWER [ LINEAGE POWER CORPORATION ]
