Datasheet

LM20146
www.ti.com SNVS563C –FEBRUARY 2008–REVISED APRIL 2013
Bill of Materials (V
IN
= 5V, V
OUT
= 3.3V, F
SW
= 500kHz, I
OUTMAX
= 6A)
Designator Description Part Number Manufacturer Qty
U1 Synchronous Buck Regulator LM20146 Texas Instruments 1
C
IN
100µF, 1210, X5R, 6.3V C3225X5R0J107M TDK 1
C
OUT
100µF, 1210, X5R, 6.3V C3225X5R0J107M TDK 1
L 1µH, 7.8 mΩ SPM6530T-1R0M120 TDK 1
R
F
1Ω, 0603 CRCW06031R0J-e3 Vishay-Dale 1
C
F
100nF, 0603, X7R, 16V GRM188R71C104KA01 Murata 1
C
VCC
1µF, 0603, X5R, 6.3V GRM188R60J105KA01 Murata 1
R
C1
14.3 kΩ, 0603 CRCW06031432F-e3 Vishay-Dale 1
C
C1
1nF, 0603, COG, 50V GRM1885C1H102JA01 Murata 1
C
SS
33nF, 0603, X7R, 25V VJ0603Y333KXXA Vishay-Vitramon 1
R
T
100kΩ, 0603 CRCW06031003F-e3 Vishay-Dale 1
R
FB1
31.6kΩ, 0603 CRCW06033162F-e3 Vishay-Dale 1
R
FB2
10.2kΩ, 0603 CRCW06031022F-e3 Vishay-Dale 1
Bill of Materials (V
IN
= 3.3V to 5V, V
OUT
= 1.2V, F
SW
=750kHz, I
OUTMAX
= 6A)
Designator Description Part Number Manufacturer Qty
U1 Synchronous Buck Regulator LM20146 Texas Instruments 1
C
IN
100µF, 1210, X5R, 6.3V C3225X5R0J107M TDK 1
C
OUT
100µF, 1210, X5R, 6.3V C3225X5R0J107M TDK 1
L 0.68µH, 5.39 mΩ SPM6530T-R68M140 TDK 1
R
F
1Ω, 0603 CRCW06031R0J-e3 Vishay-Dale 1
C
F
100nF, 0603, X7R, 16V GRM188R71C104KA01 Murata 1
C
VCC
1µF, 0603, X5R, 6.3V GRM188R60J105KA01 Murata 1
R
C1
4.53kΩ, 0603 CRCW06034532F-e3 Vishay-Dale 1
C
C1
1.8nF, 0603, X7R, 25V VJ0603Y182KXXA Vishay-Vitramon 1
C
SS
33nF, 0603, X7R, 25V VJ0603Y333KXXA Vishay-Vitramon 1
R
T
48.7kΩ, 0603 CRCW06034872F-e3 Vishay-Dale 1
R
FB1
4.99kΩ, 0603 CRCW06034991F-e3 Vishay-Dale 1
R
FB2
10kΩ, 0603 CRCW06031002F-e3 Vishay-Dale 1
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