参数资料
型号: LM3421MHX/NOPB
厂商: National Semiconductor
文件页数: 59/67页
文件大小: 0K
描述: IC LED DRVR HP CONS CURR 16TSSOP
产品培训模块: LED Design Solutions
标准包装: 2,500
系列: PowerWise®
恒定电流:
拓扑: PWM,SEPIC,降压(降压),升压(升压)
输出数: 1
内部驱动器:
类型 - 主要: 车载
类型 - 次要: 高亮度 LED(HBLED)
频率: 2MHz
电源电压: 4.5 V ~ 75 V
输出电压: 3 V ~ 72 V
安装类型: 表面贴装
封装/外壳: 16-TSSOP(0.173",4.40mm)裸露焊盘
供应商设备封装: 16-TSSOP-EP
包装: 带卷 (TR)
工作温度: -40°C ~ 125°C
其它名称: LM3421MHX
DESIGN #8 Bill of Materials
SNVS574E – JULY 2008 – REVISED MAY 2013
Qty
1
1
1
0
4
4
1
1
1
1
2
2
1
1
1
2
1
1
1
2
1
1
1
1
1
Part ID
LM3421
C BYP
C CMP
C FS
C IN
C O
C SEP
C OV
C T
D1
L1, L2
Q1, Q2
Q3
R CSH
R FS
R HSP , R HSN
R LIM
R OV1
R OV2
R REF1 , R REF2
R SNS
R T
R UV1
R UV2
R UVH
Part Value
SEPIC controller
2.2 μF X7R 10% 16V
0.47 μF X7R 10% 25V
DNP
4.7 μF X7R 10% 100V
10 μF X7R 10% 50V
1.0 μF X7R 10% 100V
47 pF COG/NPO 5% 50V
1000 pF COG/NPO 5% 50V
Schottky 60V 5A
68 μH 20% 4.3A
NMOS 60V 8A
NMOS 60V 115 mA
12.4 k ? 1%
0 ? 1%
750 ? 1%
0.04 ? 1% 1W
15.8 k ? 1%
499 k ? 1%
49.9 k ? 1%
0.1 ? 1% 1W
49.9 k ? 1%
1.62 k ? 1%
10.0 k ? 1%
16.9 k ? 1%
Manufacturer
TI
MURATA
MURATA
TDK
TDK
TDK
AVX
MURATA
COMCHIP
COILCRAFT
VISHAY
ON-SEMI
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
VISHAY
Part Number
LM3421MH
GRM21BR71C225KA12L
GRM21BR71E474KA01L
C5750X7R2A475K
C4532X7R1H106K
C4532X7R2A105K
08055A470JAT2A
GRM2165C1H102JA01D
CDBC560-G
DO3340P-683
SI4436DY
2N7002ET1G
CRCW080512K4FKEA
CRCW08050000OZEA
CRCW0805750RFKEA
WSL2512R0400FEA
CRCW080515K8FKEA
CRCW0805499KFKEA
CRCW080549K9FKEA
WSL2512R1000FEA
CRCW080549K9FKEA
CRCW08051K62FKEA
CRCW080510K0FKEA
CRCW080516K9FKEA
Copyright ? 2008–2013, Texas Instruments Incorporated
59
Product Folder Links: LM3421 LM3421-Q1 LM3423 LM3423-Q1
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