TPS40210-Q1, TPS40211-Q1
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SLVS861D –AUGUST 2008–REVISED APRIL 2010
OUTPUT VOLTAGE
vs
LOAD CURRENT
24.820
24.772
V
(V)
14
IN
12
8
24.724
24.676
24.628
24.580
V
= 8 V
IN
V
= 14 V
IN
24.532
24.484
V
= 12 V
IN
24.436
24.388
24.340
0
0.5
1.0 1.5
– Load Current – A
2.0
2.5
I
LOAD
Figure 35.
List of Materials
Table 2. List of Materials, Design Example 1
REFERENCE
DESIGNATOR
PART
NUMBER
DESCRIPTION
SIZE
MANUFACTURER
C1
C2
C3
C4
C5
C7
C8
C9
C10
D1
L1
100 mF, aluminum capacitor, SM, ± 20%, 35 V
0.406 x 0.457
0603
EEEFC1V101P
Panasonic
Std
2200 pF, ceramic capacitor, 25 V, X7R, 20%
100 pF, ceramic capacitor, 16 V, C0G, 10%
47 pF, ceramic capacitor, 16 V, X7R, 20%
0.22 mF, ceramic capacitor, 16 V, X7R, 20%
1.0 mF, ceramic capacitor, 16 V, X5R, 20%
10 mF, ceramic capacitor, 25 V, X7R, 20%
0.1 mF, ceramic capacitor, 50 V, X7R, 20%
100 pF, ceramic capacitor, 16 V, X7R, 20%
Schottky diode, 3 A, 40 V
Std
0603
Std
Std
0603
Std
Std
0603
Std
Std
0603
Std
Std
0805
C3225X7R1E106M
TDK
Std
0603
Std
0603
Std
Std
SMC
MBRS340T3
On Semi
TDK
Vishay
Std
10 mH, inductor, SMT, 7.5 A, 12.4 mΩ
MOSFET, N-channel, 40 V, 14 A, 9 mΩ
10 kΩ, chip resistor, 1/16 W, 5%
0.325 x 0.318 inch
SO-8
RLF12560T-100M-7R5
Q1
R3
R4
R5
R6
R7
R9
R10
R11
U1
Si4840DY
0603
Std
18.7 kΩ, chip resistor, 1/16 W, 1%
0603
Std
Std
1.5 kΩ, chip resistor, 1/16 W, 1%
0603
Std
Std
261 kΩ, chip resistor, 1/16 W, 1%
0603
Std
Std
51.1 kΩ, chip resistor, 1/16 W, 1%
0603
Std
Std
3.3 Ω, chip resistor, 1/16 W, 5%
0603
Std
Std
1.0 kΩ, chip resistor, 1/16 W, 5%
0603
Std
Std
Std
10 mΩ, chip resistor, 1/2 W, 2%
1812
Std
IC, 4.5 V-52 V I/P, current mode boost controller
DGQ10
TPS40210QDGQRQ1
TI
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