LM26420XMH/NOPB National Semiconductor, LM26420XMH/NOPB Datasheet - Page 25

• Manufacturer Part Number: LM26420XMH/NOPB
• Description: IC REG SYNC BUCK DL 2A 20-TSSOP
• Manufacturer: National Semiconductor
• Series: PowerWise®r
• Type: Step-Down (Buck)r

Specifications of LM26420XMH/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: 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: LM26420XMH

LM26420Y Design Example 5
C1, C2, C6, C7, C8
Part ID
C3, C4
R3, R4
R5, R6
R7, R2
U1
C5
R1
L1
L2
FIGURE 17. 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%
49.9kΩ, 0603, 1%
12.7kΩ, 0603, 1%
4.99Ω, 0603, 1%
5.0µH, 2.82A
3.3µH, 3.28A
Part Value
IN
Bill of Materials
= 5V, V
25
OUT1
= 1.8V @ 2.0A and V
Manufacturer
Coilcraft
Coilcraft
Vishay
Vishay
Vishay
Vishay
Vishay
NSC
TDK
TDK
OUT2
= 0.8V @ 2.0A
VJ0805Y474KXQCW1BC
C3216X5R0J226M
C3216X5R0J476M
CRCW06034R99F
CRCW060310K0F
CRCW060649K9F
CRCW060312K7F
MSS7341-502NL
MSS7341-332NL
30069628
Part Number
LM26420Y
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