Datasheet

V
O
V
IN
L
1
D
1
C
1
C
2
R
1
R
3
L
2
C
3
1
2
3
6
5
4
LM3410
R
2
R
4
LED(s)
FLASH CTRL
Q
1
Q
2
LM3410, LM3410Q
www.ti.com SNVS541G –OCTOBER 2007–REVISED MAY 2013
LM3410X WSON Design Example 9: Camera Flash or Strobe Circuit Application
Figure 37. LM3410X (1.6MHz): V
IN
= 2.7V to 5.5, (V
OUT
≊≊ 7.5V), I
LED
≊≊ 1.5A Flash
Part ID Part Value Mfg Part Number
U1 2.8A I
SW
LED Driver TI LM3410XSD
C1 Input V
PWR
Cap 10µF, 6.3V, X5R TDK C1608X5R0J106K
C2 Output Cap 220µF, 10V, Tanatalum KEMET T491V2271010A2
C3 Cap 10µF, 16V, X5R TDK C3216X5R0J106K
D1, Catch Diode 0.43V
f
, Schotky, 1.0A, 20V
R
Diodes Inc DFLS120L
L1 3.3µH 2.7A Coilcraft MOS6020-332
R1 1.0kΩ, 1% Vishay CRCW08051001F
R2 37.4kΩ, 1% Vishay CRCW08053742F
R3 100kΩ, 1% Vishay CRCW08051003F
R4 0.15Ω, 1% Vishay CRCW0805R150F
Q1, Q2 30V, I
D
= 3.9A ZETEX ZXMN3A14F
LED’s 500mA, V
f
≊ 3 .6V, I
PULSE
= 1.5A CREE XREWHT-L1-0000-00901
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