LM3429_14 Datasheet, PDF (42/50 Pages) Texas Instruments – LM3429Q1 N-Channel Controller for Constant Current LED Drivers

LM3429
SNVS616F – APRIL 2009 – REVISED JANUARY 2010
DESIGN #8: SEPIC APPLICATION - 5 LEDs at 750mA
9V - 36V
V_IN
L1
C_IN
R_T
C_CMP
1
V_IN
LM3429
2
COMP
14
HSN
R_HSN
13
HSP
R_HSP
R_CSH
3
CSH
12
IS
C_T
4
RCT
5
AGND
11
V_CC
C_BYP
10
GATE
R_UV2
R_UV1
6
OVP
7
nDIM
DAP
9
PGND
8
NC
C_SEP
D1
L2
C_FS
R_SNS
R_FS
C_O
750 mA
I_LED
Q1
R_OV2
C_OV
R_OV1
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Design #8 Bill of Materials
Qty
Part ID
1
LM3429
1
C_CMP
1
C_F
1
C_FS
2, 1
C_IN, C_O
1
C_OV
1
C_SEP
1
C_T
1
D1
1
L1, L2
1
Q1
1
Q2
1
R_CSH
1
R_FS
2
R_HSP, R_HSN
1
R_LIM
2
R_OV1, R_UV1
1
R_OV2
1
R_SNS
1
R_T
1
R_UV2
Part Value
Boost controller
0.47 µF X7R 10% 25V
2.2 µF X7R 10% 16V
0.1 µF X7R 10% 25V
6.8 µF X7R 10% 50V
47 pF COG/NPO 5% 50V
1.0 µF X7R 10% 100V
1000 pF COG/NPO 5% 50V
Schottky 60V 5A
68 µH 20% 4.3A
NMOS 60V 8A
NMOS 60V 115 mA
12.4 kΩ 1%
10Ω 1%
750Ω 1%
0.04Ω 1% 1W
15.8 kΩ 1%
499 kΩ 1%
0.1Ω 1% 1W
49.9 kΩ 1%
100 kΩ 1%
Manufacturer
NSC
MURATA
MURATA
MURATA
TDK
AVX
TDK
MURATA
COMCHIP
COILCRAFT
VISHAY
ON SEMI
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
Part Number
LM3429MH
GRM21BR71E474KA01L
GRM21BR71C225KA12L
GRM21BR71E104KA01L
C4532X7R1H685K
08055A470JAT2A
C4532X7R2A105K
GRM2165C1H102JA01D
CDBC560-G
DO3340P-683
SI4436DY
2N7002ET1G
CRCW080512K4FKEA
CRCW080510R0FKEA
CRCW0805750RFKEA
WSL2512R0400FEA
CRCW080515K8FKEA
CRCW0805499KFKEA
WSL2512R1000FEA
CRCW080549K9FKEA
CRCW0805100KFKEA
42
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