LM3429MH/NOPB National Semiconductor, LM3429MH/NOPB Datasheet - Page 28

• 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 #4: BOOST ANALOG DIMMING APPLICATION - 12 LEDs at 700mA
Design #4 Bill of Materials
Qty
1
1
1
1
2, 1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
1
1
1
Part ID
LM3429
C
C
C
C
C
C
D1
L1
Q1
Q2
Q3, Q4 (dual pack) Dual PNP 40V 200 mA
R
R
R
R
R
R
R
R
R
R
R
V
REF
CMP
F
FS
IN
OV
T
ADJ
BIAS
CSH
FS
HSP
LIM
MAX
OV2
SNS
T
UV2
, C
, R
, R
O
OV1
HSN
, R
UV1
Part Value
Boost controller
1.0 µF X7R 10% 10V
2.2 µF X7R 10% 16V
0.1 µF X7R 10% 50V
6.8 µF X7R 10% 50V
47 pF COG/NPO 5% 50V
1000 pF COG/NPO 5% 50V MURATA
Schottky 100V 12A
47 µH 20% 5.3A
NMOS 100V 32A
NPN 40V 200 mA
100 kΩ potentiometer
40.2 kΩ 1%
12.4 kΩ 1%
10Ω 1%
1.05 kΩ 1%
0.06Ω 1% 1W
4.99 kΩ 1%
499 kΩ 1%
0.15Ω 1% 1W
35.7 kΩ 1%
100 kΩ 1%
5V precision reference
28
Manufacturer
NSC
MURATA
MURATA
MURATA
TDK
AVX
VISHAY
COILCRAFT
FAIRCHILD
FAIRCHILD
FAIRCHILD
BOURNS
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
NSC
Part Number
LM3429MH
GRM21BR71A105KA01L
GRM21BR71C225KA12L
GRM21BR71E104KA01L
C4532X7R1H685K
08055A470JAT2A
GRM2165C1H102JA01D
12CWQ10FNPBF
MSS1278-473MLB
FDD3682
MMBT3904
FFB3906
3352P-1-104
CRCW080540K2FKEA
CRCW080512K4FKEA
CRCW080510R0FKEA
CRCW08051K05FKEA
WSL2512R0600FEA
CRCW08054K99FKEA
CRCW0805499KFKEA
WSL2512R1500FEA
CRCW080535K7FKEA
CRCW0805100KFKEA
LM4040
300944h7