US3012 Datasheet, PDF (7/11 Pages) UNISEM – 5 BIT PROGRAMMABLE SYNCHRONOUS BUCK CONTROLLER IC

US3012/3012A
US3012/3012A and RC5051 Dual Layout Parts List
Ref Desig Description
Q1
MOSFET
Q2
MOSFET
L1
Inductor
L2
Inductor
D1
Diode
C11
Capacitor ,Electrolytic
C3
Capacitor ,Electrolytic
C1
Capacitor ,Electrolytic
C2
Capacitor , Ceramic
C4
Capacitor , Ceramic
C5
Capacitor , Ceramic
C6
Capacitor , Ceramic
C7
Capacitor , Ceramic
C8
Capacitor , Ceramic
C9
Capacitor , Ceramic
C10
Capacitor , Ceramic
R1
Resistor
R2
Resistor
R3
Resistor
R4
Resistor
R5
Resistor
R6
Resistor
R7
Resistor
R8
Resistor
R9
Resistor
R10
Resistor
R11
Resistor
R12
Resistor
R13
Resistor
HS1
Q1 Heatsink
HS2
Q2 Heatsink
Qty Part #
1
IRL3103
IRL3103S (Note 1)
1
IRL3103
IRL3103S (Note 1)
1
L=1 uH
1
Core:T50-18
Turns:14 AWG
L=2.5 uH R=2 mohm
1
open
5
6MV1500GX ,1500uF,6.3V,
2
6MV1500GX ,1500uF,6.3V,
1
680uF,10V, EEUFA1A681L
1
1 uF , SMT
1
1 uF , SMT
1
220 pF , SMT
1
1 uF , SMT
1
470 pF , SMT
1
150pF , X7R , SMT
1
0.01 uF , SMT
1
0.01 uF , SMT
1
Short, SMT
1
2.21 kΩ , 1% ,SMT
1
10Ω , 5%, SMT , 1206 size
1
Short, SMT
1
10Ω , 5%, SMT , 1206 size
1
10Ω , 5%, SMT , 1206 size
1
open , SMT
1
short , #20 AWG wire
1
open , SMT
1
100Ω, 1%, SMT
1
10 kΩ , 1% ,SMT
1
100 kΩ , 5%, SMT
1
See Raytheon Parts List , SMT
1
6270
1
6270
Manuf
IR
IR
Micro Metal
Sanyo
Sanyo
Panasonic
Thermalloy
Thermalloy
Note 1 : For the applications where it is desirable not to use the Heatsink, the IRL3103S MOSFET in the TO263
SMT package with 1″ square of pad area using top and bottom layers of the board as a minimum is required.
Rev. 1.0
5/6/98
4-7