Data Sheet
12V Micro TLynxTM: Non-isolated DC-DC Power Modules
September 8, 2009
4.5 – 14Vdc input; 0.69Vdc to 5.5Vdc output; 12A output current
Example Application Circuit
Requirements:
Vin:
12V
Vout:
1.8V
Iout:
9.0A max., worst case load transient is from 6A to 9A
1.5% of Vout (27mV) for worst case load transient
1.5% of Vin (180mV, p-p)
ΔVout:
Vin, ripple
Vin+
Vout+
VIN
VOUT
VS+
RTUNE
CTUNE
RTrim
MODULE
MODULE
+
+
CI2
CI1
CO1
CO2
ON/OFF
GND
TRIM
VS-
Q1
CI1
22μF/16V ceramic capacitor (e.g. Murata GRM32ER61C226KE20)
100μF/16V bulk electrolytic
CI2
CO1
6 x 47μF/6.3V ceramic capacitor (e.g. Murata GRM31CR60J476ME19)
330μF/6.3V Polymer (e.g. Sanyo, Poscap)
CO2
CTune
RTune
RTrim
15nF 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 ]
