LM26420XSQX/NOPB National Semiconductor, LM26420XSQX/NOPB Datasheet - Page 24

IC REG DUAL SYNC BUCK 2A 16LLP

LM26420XSQX/NOPB

Manufacturer Part Number
LM26420XSQX/NOPB
Description
IC REG DUAL SYNC BUCK 2A 16LLP
Manufacturer
National Semiconductor
Series
PowerWise®r
Type
Step-Down (Buck)r
Datasheet

Specifications of LM26420XSQX/NOPB

Internal Switch(s)
Yes
Synchronous Rectifier
Yes
Number Of Outputs
2
Voltage - Output
0.8 ~ 4.5 V
Current - Output
2A
Frequency - Switching
2.2MHz
Voltage - Input
3 ~ 5.5 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
16-LLP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power - Output
-
Other names
LM26420XSQX
www.national.com
LM26420Y Design Example 4
C1, C6, C7
Part ID
C3, C4
R3, R4
R5, R6
U1
C2
C5
R1
R2
R7
L1
L2
FIGURE 16. LM26420Y (550kHz): V
0.47µF, 10V, 0805, X7R
22µF, 6.3V, 1206, X5R
33µF, 6.3V, 1206, X5R
47µF, 6.3V, 1206, X5R
2A Buck Regulator
10.0kΩ, 0603, 1%
4.99kΩ, 0603, 1%
49.9kΩ, 0603, 1%
21.5kΩ, 0603, 1%
4.99Ω, 0603, 1%
3.3µH, 3.28A
5.0µH, 2.82A
Part Value
IN
Bill of Materials
= 5V, V
24
OUT1
= 1.2V @ 2.0A and V
Manufacturer
Coilcraft
Coilcraft
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
NSC
TDK
TDK
TDK
OUT2
= 2.5V @ 2.0A
VJ0805Y474KXQCW1BC
30069607
C3216X5R0J226M
C3216X5R0J336M
C3216X5R0J476M
CRCW060310K0F
CRCW06034K99F
CRCW060649K9F
CRCW060321K5F
CRCW06034R99F
MSS7341-332NL
MSS7341-502NL
Part Number
LM26420Y

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