LM3429MH/NOPB National Semiconductor, LM3429MH/NOPB Datasheet - Page 30

• Manufacturer Part Number: LM3429MH/NOPB
• Description: IC LED DRVR HP CONS CURR 14TSSOP
• Manufacturer: National Semiconductor
• Series: PowerWise®r
• Type: High Power, Constant Currentr

Specifications of LM3429MH/NOPB

• Constant Current: Yes
• Topology: PWM, SEPIC, Step-Down (Buck), Step-Up (Boost)
• Number Of Outputs: 1
• Internal Driver: No
• Type - Primary: Automotive
• Type - Secondary: High Brightness LED (HBLED)
• Frequency: 2MHz
• Voltage - Supply: 4.5 V ~ 75 V
• Mounting Type: Surface Mount
• Package / Case: 14-TSSOP Exposed Pad, 14-eTSSOP 14-HTSSOP
• Operating Temperature: -40°C ~ 125°C
• Current - Output / Channel: 1A
• Internal Switch(s): No
• Efficiency: 95%
• For Use With: LM3429BSTEVAL - BOARD EVAL FOR BOOST LM3429LM3429BKBSTEVAL - BOARD EVAL FOR BUCK-BOOST LM3429
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Output: -
• Other names: LM3429MH

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DESIGN #6: BUCK APPLICATION - 3 LEDS AT 1.25A
Design #6 Bill of Materials
Qty
1
1
1
1
2
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
Part ID
LM3429
C
C
C
C
C
C
C
D1
L1
Q1
Q2
R
R
R
R
R
R
R
R
R
R
CMP
F
FS
IN
O
OV
T
CSH
T
FS
HSP
LIM
OV1
OV2
SNS
UV1
UV2
, R
HSN
Part Value
Boost controller
0.015 µF X7R 10% 50V
2.2 µF X7R 10% 16V
0.01 µF X7R 10% 50V
6.8 µF X7R 10% 50V
1 µF X7R 10% 50V
47 pF COG/NPO 5% 50V
1000 pF COG/NPO 5% 50V MURATA
Schottky 60V 5A
22 µH 20% 7.3A
NMOS 60V 8A
PNP 150V 600 mA
12.4 kΩ 1%
49.9 kΩ 1%
10Ω 1%
1.0 kΩ 1%
0.04Ω 1% 1W
21.5 kΩ 1%
499 kΩ 1%
0.08Ω 1% 1W
11.5 kΩ 1%
100 kΩ 1%
30
Manufacturer
NSC
MURATA
MURATA
MURATA
TDK
TDK
AVX
COMCHIP
COILCRAFT
VISHAY
FAIRCHILD
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
Part Number
LM3429MH
GRM21BR71H153KA01L
GRM21BR71C225KA12L
GRM21BR71H103KA01L
C4532X7R1H685K
C4532X7R1H105K
08055A470JAT2A
GRM2165C1H102JA01D
CDBC560-G
MSS1278-223MLB
SI4436DY
MMBT5401
CRCW080512K4FKEA
CRCW080549K9FKEA
CRCW080510R0FKEA
CRCW08051K00FKEA
WSL2512R0400FEA
CRCW080521K5FKEA
CRCW0805499KFKEA
WSL2512R0800FEA
CRCW080511K5FKEA
CRCW0805100KFKEA
300944h8