LM3410_08 Datasheet, PDF (27/32 Pages) National Semiconductor (TI) – PowerWise® 525kHz/1.6MHz, Constant Current Boost and SEPIC LED Driver with Internal Compensation

LM3410X LLP-6 Design Example 9:
Camera Flash or Strobe Circuit Application
LM3410X (1.6MHz): V_IN = 2.7V to 5.5, (V_OUT ≊ 7.5V), I_LED ≊ 1.5A Flash
30038572
Part ID
U1
C1 Input V_PWR Cap
C2 Output Cap
C3 Cap
D1, Catch Diode
L1
R1
R2
R3
R4
Q1, Q2
LED’s
Part Value
2.8A I_SW LED Driver
10µF, 6.3V, X5R
220µF, 10V, Tanatalum
10µF, 16V, X5R
0.43V_f, Schotky, 1.0A, 20V_R
3.3µH 2.7A
1.0kΩ, 1%
37.4kΩ, 1%
100kΩ, 1%
0.15Ω, 1%
30V, I_D = 3.9A
500mA, V_f ≊ 3 .6V, I_PULSE = 1.5A
Mfg
NSC
TDK
KEMET
TDK
Diodes Inc
Coilcraft
Vishay
Vishay
Vishay
Vishay
ZETEX
CREE
Part Number
LM3410XSD
C1608X5R0J106K
T491V2271010A2
C3216X5R0J106K
DFLS120L
MOS6020-332
CRCW08051001F
CRCW08053742F
CRCW08051003F
CRCW0805R150F
ZXMN3A14F
XREWHT-L1-0000-00901
27
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