LM3429MH/NOPB National Semiconductor, LM3429MH/NOPB Datasheet - Page 26

• 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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Applications Information
DESIGN #2: BOOST PWM DIMMING APPLICATION - 9 LEDs at 1A
Design #2 Bill of Materials
Qty
1
2
1
2, 1
1
1
1
1
1
1
2
1
2
1
1
1
1
1
1
1
Part ID
LM3429
C
C
C
C
C
D1
L1
Q1
Q2
R
R
R
R
R
R
R
R
R
R
CMP
F
IN
OV
T
CSH
FS
HSP
LIM
OV2
SNS
T
UV1
UV2
UVH
, C
, R
, R
, C
O
OV1
HSN
FS
Part Value
Boost controller
0.1 µF X7R 10% 25V
2.2 µF X7R 10% 16V
6.8 µF X7R 10% 50V
47 pF COG/NPO 5% 50V
1000 pF COG/NPO 5% 50V MURATA
Schottky 60V 5A
33 µH 20% 6.3A
NMOS 60V 8A
NMOS 60V 115 mA
12.4 kΩ 1%
10Ω 1%
1.0 kΩ 1%
0.06Ω 1% 1W
499 kΩ 1%
0.1Ω 1% 1W
35.7 kΩ 1%
1.82 kΩ 1%
10 kΩ 1%
17.8 kΩ 1%
26
Manufacturer
NSC
MURATA
MURATA
TDK
AVX
COMCHIP
COILCRAFT
VISHAY
ON SEMI
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
Part Number
LM3429MH
GRM21BR71E104KA01L
GRM21BR71C225KA12L
C4532X7R1H685K
08055A470JAT2A
GRM2165C1H102JA01D
CDBC560-G
MSS1278-333MLB
SI4436DY
2N7002ET1G
CRCW080512K4FKEA
CRCW080510R0FKEA
CRCW08051K00FKEA
WSL2512R0600FEA
CRCW0805499KFKEA
WSL2512R1000FEA
CRCW080535K7FKEA
CRCW08051K82FKEA
CRCW080510KFKEA
CRCW080517K8FKEA
300944h5