lm2742mtcx National Semiconductor Corporation, lm2742mtcx Datasheet - Page 19
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lm2742mtcx
Manufacturer Part Number
lm2742mtcx
Description
N-channel Fet Synchronous Buck Regulator Controller For Low Output Voltages
Manufacturer
National Semiconductor Corporation
Datasheet
1.LM2742MTCX.pdf
(24 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LM2742MTCX
Manufacturer:
NS/国半
Quantity:
20 000
Co1, Co2,
Q1/Q2
Cboot
Rfadj
Rfadj
Rfb1
Rfb2
Cin1
Rfb1
Rfb2
Cin1
Cinx
Cc1
Cc2
Rc1
Co1
Cc1
Cc2
Rc1
Co3
Rcs
Css
Rcs
Css
Rin
Cin
Rin
Cin
Q1
Q2
Lin
U1
Cc
U1
D1
L1
L1
ID
ID
ID
C3216X7R1E105K
C3216X7R1E225K
C3216X7R1E105K
C3216X7R1E225K
CRCW12068872F
CRCW12062293F
CRCW12064991F
CRCW12064991F
CRCW12064222F
CRCW12065112F
CRCW12062491F
CRCW12064991F
VJ1206A4R7KXX
VJ1206A102KXX
VJ1206X123KXX
VJ1206A100KXX
VJ1206A561KXX
VJ1206X104XXA
VJ1206X123KXX
CRCW1206100J
CRCW1206152J
CRCW1206100J
CRCW1206272J
16MV4700WX
DO3316P-222
10MV5600AX
10TPB100ML
Part Number
Part Number
Part Number
4TPB220ML
P1166.102T
P1168.102T
Si4826DY
Si4884DY
Si4884DY
LM2742
LM2742
BAT-54
TABLE 4. Bill of Materials for Circuit of Figure 5
TABLE 5. Bill of Materials for Circuit of Figure 6
Capacitor
Capacitor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Synchronous
Controller
Asymetric Dual
N-MOSFET
Inductor
POSCAP
POSCAP
Capacitor
Capacitor
Capacitor
Capacitor
Capacitor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Synchronous
Controller
N-MOSFET
N-MOSFET
Schottky Diode
Inductor
Inductor
Aluminum
Electrolytic
Capacitor
Aluminum
Electrolytic
Capacitor
Capacitor
Capacitor
Type
Type
Type
12.95x9.4x 5.21mm
12.5mm D 30mm H
7.29x7.29 3.51mm
16mm D 25mm H
7.3x4.3x3.1mm
7.3x4.3x3.1mm
12x12x4.5 mm
TSSOP-14
TSSOP-14
19
SOT-23
SO-8
SO-8
SO-8
1206
1206
1206
1206
1206
1206
1206
1206
1206
1206
1206
1206
1206
1206
1206
1206
1206
1206
1206
1206
1206
1206
1206
Size
Size
Size
5600µF 10V 2.35Arms
30V, 13.5mΩ, @ 4.5V
30V, 13.5mΩ, @ 4.5V
4700µF 16V 2.8Arms
100µF 10V 1.9Arms
Top 16.5mΩ/ 15nC
2.2µH, 6.1A, 12mΩ
220µF 4V 1.9Arms
1µH, 11A, 3.7mΩ
30V, 24mΩ/ 8nC
1µH, 11A 3.7mΩ
Parameters
Parameters
Parameters
560pF 10%
88.7kΩ 1%
4.99kΩ 1%
4.99kΩ 1%
2.2µF, 25V
42.2kΩ 1%
51.1kΩ 1%
2.49kΩ 1%
4.99kΩ 1%
0.1µF, 25V
2.2µF, 25V
4.7pF 10%
229kΩ 1%
12nF, 25V
12nF, 25V
10pF 10%
1.5kΩ 5%
2.7kΩ 5%
1µF, 25V
1µF, 25V
1nF 10%
10Ω 5%
10Ω 5%
15.3nC
15.3nC
30V
Qty.
Qty.
Qty.
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
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Coilcraft
Vendor
Vendor
Vendor
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Vishay
Sanyo
Sanyo
Sanyo
Sanyo
Pulse
Pulse
NSC
NSC
TDK
TDK
TDK
TDK