lm2742mtcx National Semiconductor Corporation, lm2742mtcx Datasheet - Page 21
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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
Co1 Co2
Q1/Q2
Cboot
Cboot
Rfadj
Rfadj
Cin1
Rfb1
Rfb2
Cin1
Rfb1
Cinx
Cinx
Cox
Cc1
Cc2
Cc3
Rc1
Rc2
Cox
Cc1
Cc2
Cc3
Rc1
Rc2
Css
Rcs
Css
Cin
Cin
Lin
Q1
U1
U2
D1
U1
D2
D1
L1
L1
ID
ID
SLF12565T-4R2N5R5
SLF12565T-470M2R4
RLF7030T-1R0N64
C3216X5R1C106M
CRCW120662371F
C3216X5R1C106M
C3216X5R10J06M
C3216X7R1E225K
C3216X5R10J06M
C3216X7R1E225K
CRCW12063252F
CRCW12065232F
CRCW12062211F
CRCW12061002F
CRCW12062673F
CRCW12066192F
CRCW12067503F
CRCW12061371F
VJ1206A8R2KXX
VJ1206X104XXA
VJ1206X123KXX
VJ1206X102KXX
VJ1206X472KXX
VJ1206X104XXA
VJ1206X123KXX
VJ1206A561KXX
VJ1206X392KXX
VJ1206X223KXX
CRCW1206202J
Part Number
16MV680WG
16MV680WG
Part Number
16MV680WG
16MV680WG
MBRS330T3
Si4826DY
Si4894DY
MBR0520
LM78L05
LM2742
LM2742
BAT-54
TABLE 8. Bill of Materials for Circuit of Figure 8
TABLE 9. Bill of Materials for Circuit of Figure 9
Synchronous
Controller
Voltage
Regulator
Assymetric Dual
N-MOSFET
Schottky Diode
Inductor
Inductor
Al-E
MLCC
MLCC
MLCC
Capacitor
Capacitor
Capacitor
Capacitor
Capacitor
Capacitor
Resistor
Resistor
Resistor
Resistor
Resistor
Resistor
Synchronous
Controller
N-MOSFET
Schottky Diode
Inductor
Schottky Diode
Al-E
MLCC
Al-E
MLCC
Capacitor
Capacitor
Capacitor
Capacitor
Capacitor
Capacitor
Resistor
Resistor
Resistor
Resistor
Type
Type
D: 10mm L: 12.5mm
D: 10mm L: 12.5mm
12.5x12.8x 4.7mm
12.5x12.5x6.5mm
6.8x7.1x3.2mm
TSSOP-14
TSSOP-14
21
SOT-23
SO-8
SO-8
SO-8
SO-8
1210
1812
1206
1206
1206
1206
1206
1206
1206
1206
1206
1206
1206
1206
1206
1812
1206
1206
1206
1206
1206
1206
1206
1206
1206
1206
1206
1206
1206
Size
Size
680µF, 16V, 1.54Arms
680µF 16V 3.4Arms
10µF, 16V, 3.4Arms
30V, 15mΩ, 11.5nC
Top 16.5mΩ/ 15nC
4.2µH, 5.5A, 15mΩ
10µF 16V 3.4Arms
15µF 25V 3.3Arms
1µH, 6.4A, 7.3mΩ
47µH, 2.7A 53mΩ
680µF 16V 26mΩ
30V, 24mΩ/ 8nC
10µF, 6.3V 2.7A
10µF 6.3V 2.7A
Parameters
Parameters
0.1µF, 25V
2.2µF, 25V
32.5kΩ 1%
52.3kΩ 1%
2.21kΩ 1%
0.1µF, 25V
2.2µF, 25V
61.9kΩ 1%
1.37kΩ 1%
8.2pF 10%
4.7nF 10%
3.9nF 10%
12nF, 25V
12nF, 25V
267kΩ 1%
750kΩ 1%
2.37Ω 1%
56pF 10%
22nF 10%
10kΩ 1%
20V 0.5A
1nF 10%
2kΩ 5%
30V, 3A
30V
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
2
1
1
1
1
1
1
1
1
1
1
1
www.national.com
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
NSC
NSC
NSC
TDK
TDK
TDK
TDK
TDK
TDK
TDK
TDK
TDK
ON
ON