Datasheet
Table Of Contents
FB
PGOOD
V
IN
LM21215
V
OUT
AGND
COMP
PVIN
SW
EN
L
O
R
C1
C
C1
C
C2
C
C3
R
FB1
R
FB2
R
C2
PGND
AVIN
C
F
11-16
3
4
17
19
18
20
8,9,10
5,6,7
R
F
SS/
TRK
C
SS
2
HTSSOP-20
C
IN1
V
IN
R
PGOOD
C
O1
C
O2
R
EN1
R
EN2
ILIM
1
R
ILIM
LM21215
www.ti.com
SNVS625E –FEBRUARY 2011–REVISED MARCH 2013
Figure 40. Typical Application Schematic 2
Table 2. Bill of Materials (V
IN
= 4.0 - 5.5V, V
OUT
= 0.9V, I
OUT
= 8A)
ID DESCRIPTION VENDOR PART NUMBER QUANTITY
C
F
CAP, CERM, 1uF, 10V, +/-10%, X7R, 0603 MuRata GRM188R71A105KA61D 1
C
IN1
, C
O1
, C
O2
CAP, CERM, 100uF, 6.3V, +/-20%, X5R, 1206 MuRata GRM31CR60J107ME39L 3
C
C1
CAP, CERM, 1800pF, 50V, +/-5%, C0G/NP0, 0603 MuRata GRM1885C1H182JA01D 1
C
C2
CAP, CERM, 82pF, 50V, +/-5%, C0G/NP0, 0603 TDK C1608C0G1H820J 1
C
C3
CAP, CERM, 820pF, 50V, +/-5%, C0G/NP0, 0603 TDK C1608C0G1H821J 1
C
SS
CAP, CERM, 0.033uF, 16V, +/-10%, X7R, 0603 MuRata GRM188R71C333KA01D 1
L
O
Inductor, Shielded Drum Core, 680nH, 22A, Coilcraft XAL1060-681ME 1
0.0014 ohm, SMD
R
F
RES, 1.0 ohm, 5%, 0.1W, 0603 Vishay-Dale CRCW06031R00JNEA 1
R
C1
RES, 8.25k ohm, 1%, 0.1W, 0603 Vishay-Dale CRCW06038K25FKEA 1
R
C2
RES, 124 ohm, 1%, 0.1W, 0603 Vishay-Dale CRCW0603124RFKEA 1
R
EN1
, R
FB1
, RES, 10k ohm, 1%, 0.1W, 0603 Vishay-Dale CRCW060310K0FKEA 3
R
PGOOD
R
EN2
RES, 19.6k ohm, 1%, 0.1W, 0603 Vishay-Dale CRCW060319K6FKEA 1
R
FB2
RES, 20.0k ohm, 1%, 0.1W, 0603 Vishay-Dale CRCW060320K0FKEA 1
R
ILIM
RES, 39.2k ohm, 1%, 0.1W, 0603 Vishay-Dale CRCW060339K2FKEA 1
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