LM26420YMH/NOPB National Semiconductor, LM26420YMH/NOPB Datasheet - Page 26

IC REG SYNC BUCK DL 2A 20-TSSOP

LM26420YMH/NOPB

Manufacturer Part Number
LM26420YMH/NOPB
Description
IC REG SYNC BUCK DL 2A 20-TSSOP
Manufacturer
National Semiconductor
Series
PowerWise®r
Type
Step-Down (Buck)r
Datasheet

Specifications of LM26420YMH/NOPB

Internal Switch(s)
Yes
Synchronous Rectifier
Yes
Number Of Outputs
2
Voltage - Output
0.8 ~ 4.5 V
Current - Output
2A
Frequency - Switching
550kHz
Voltage - Input
3 ~ 5.5 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
20-TSSOP Exposed Pad, 20-eTSSOP, 20-HTSSOP
Primary Input Voltage
5.5V
No. Of Outputs
2
Output Voltage
4.5V
Output Current
2A
No. Of Pins
20
Operating Temperature Range
-40°C To +125°C
Msl
MSL 1 - Unlimited
Filter Terminals
SMD
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power - Output
-
Other names
LM26420YMH
www.national.com
LM26420Y Design Example 6
C1, C2, C6
Part ID
C3, C4
R3, R4
R5, R6
L1, L2
U1
C5
R2
R1
R7
FIGURE 18. LM26420Y (550kHz): V
0.47µF, 10V, 0805, X7R
22µF, 6.3V, 1206, X5R
47µF, 6.3V, 1206, X5R
2A Buck Regulator
10.0kΩ, 0603, 1%
12.7kΩ, 0603, 1%
49.9kΩ, 0603, 1%
31.6kΩ, 0603, 1%
4.99Ω, 0603, 1%
5.0µH, 2.82A
Part Value
IN
Bill of Materials
= 5V, V
26
OUT1
= 3.3V @ 2.0A and V
Manufacturer
Coilcraft
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
NSC
TDK
TDK
OUT2
= 1.8V @ 2.0A
VJ0805Y474KXQCW1BC
30069603
C3216X5R0J226M
C3216X5R0J476M
CRCW060310K0F
CRCW060312K7F
CRCW060649K9F
CRCW060331K6F
CRCW06034R99F
MSS7341-502NL
Part Number
LM26420Y

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