LM5642XMT/NOPB National Semiconductor, LM5642XMT/NOPB Datasheet - Page 24

• Manufacturer Part Number: LM5642XMT/NOPB
• Description: IC CONV SYNC DUAL BUCK 28-TSSOP
• Manufacturer: National Semiconductor
• Series: PowerWise®r
• Type: Step-Down (Buck)r

Specifications of LM5642XMT/NOPB

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Voltage - Output: 1.3 ~ 35 V
• Current - Output: 20A
• Frequency - Switching: 375kHz
• Voltage - Input: 4.5 ~ 36 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 28-TSSOP
• Power - Output: 1.1W
• For Use With: LM5642EVAL-KIT - BOARD EVALUATION LM5642
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: *LM5642XMT; *LM5642XMT/NOPB; LM5642XMT

www.national.com
Q2, Q3, Q5, Q6
R17, R18, R21,
C10, C24, C27
C6, C16, C28,
C7,C25, C34
R2, R6, R14,
R8, R9, R12,
Bill of Materials for Figure 2 30V to 1.8V, 20A LM5642
R31, R32
C9, C23
C2, C13
R1, R13
R7, R15
Q1, Q4
L1,L2
C30
C11
C19
C26
R16
R10
R11
R23
R27
R28
U1
D3
C1
ID
RLF12560T-2R7N110
VJ1206Y103KXXAT
VJ1206Y223KXXAT
VJ1206Y104KXXAT
VJ1206Y273KXXAT
C5750X5R1H106M
WSL-2512 .010 1%
C3216X7R1H105K
C2012X5R1C105K
C3216X7R1C475K
CRCW12062261F
CRCW12064991F
CRCW12061152F
CRCW1206000Z
CRCW12064R7J
CRCW1206123J
CRCW1206100J
CRCW1206224J
16MV1000WX
Part Number
Si4470DY
BAS40-06
Si4850EY
LM5642
Synchronou
N-MOSFET
N-MOSFET
s Controller
Capacitor
Capacitor
Capacitor
Capacitor
Capacitor
Capacitor
Capacitor
Capacitor
Capacitor
Schottky
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Inductor
Diode
Type
Dual
10mm D20mm H
12.5x12.5x 6mm
24
TSSOP-28
SOT-23
SO-8
SO-8
1206
0805
2220
1206
1206
1206
1206
1206
1206
1206
2512
1206
1206
1206
1206
1206
1206
Size
1000µF, 16V, 22mΩ
2.7µH,4.5mΩ 11.5A
10µF 50V, 2.8A
Parameters
100nF, 25V
16.9kΩ 1%
2.26kΩ 1%
4.99kΩ 1%
11.5kΩ 1%
220kΩ 5%
10nF, 25V
22nF, 25V
27nF 10%
4.7µF 25V
10mΩ 1W
100Ω 5%
1µF, 50V
1µF, 16V
4.7Ω 5%
60V
60V
40V
0Ω
Qty
1
2
4
1
2
1
3
4
2
2
1
3
1
1
1
1
2
8
1
1
1
1
1
Vendor
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Sanyo
NSC
TDK
TDK
TDK
TDK
TDK