lm21215a-1 National Semiconductor Corporation, lm21215a-1 Datasheet - Page 20

• Manufacturer Part Number: lm21215a-1
• Description: 15a High Efficiency Synchronous Buck Regulator With Frequency Synchronization
• Manufacturer: National Semiconductor Corporation

www.national.com
Bill of Materials (V
R
FB1
C
C
IN1
O1
, R
, C
, C
FB2
C
C
C
C
R
R
C
R
ID
L
IN2
O2
C1
C2
C3
SS
C1
C2
O
F
F
, R
, C
, C
PGOOD
IN3
O3
,
CAP, CERM, 820 pF, 50V, +/-5%,
RES, 9.31 kohm, 1%, 0.1W, 0603
CAP, CERM, 1 uF, 10V, +/-10%,
CAP, CERM, 68 pF, 50V, +/-5%,
RES, 165 ohm, 1%, 0.1W, 0603
RES, 10 kohm, 1%, 0.1W, 0603
RES, 1.0 ohm, 5%, 0.1W, 0603
Inductor, Shielded Drum Core,
Powdered Iron, 560nH, 27.5A,
CAP, CERM, 0.033 uF, 16V,
CAP, CERM, 1800 pF, 50V,
CAP, CERM, 100 uF, 6.3V,
+/-5%, C0G/NP0, 0603
+/-20%, X5R, 1206
+/-10%, X7R, 0603
0.0018 ohm, SMD
C0G/NP0, 0603
C0G/NP0, 0603
DESCRIPTION
IN
X7R, 0603
= 3.3V - 5.5V, V
FIGURE 16. Typical Application Schematic 1
Vishay-Dale
Vishay-Dale
Vishay-Dale
Vishay-Dale
Vishay-Dale
OUT
VENDOR
MuRata
MuRata
MuRata
TDK
TDK
TDK
20
= 1.2V, I
OUT
GRM188R71A105KA61D
GRM31CR60J107ME39L
GRM188R71C333KA01D
IHLP4040DZERR56M01
CRCW06031R00JNEA
CRCW06039K31FKEA
CRCW0603165RFKEA
CRCW060310K0FKEA
C1608C0G1H182J
C1608C0G1H680J
C1608C0G1H821J
PART NUMBER
= 15A, f
SW
= 500kHz)
QUANTITY
1
6
1
1
1
1
1
1
1
1
3
30152143