Datasheet

V
O
V
IN
L
1
D
1
C
1
C
2
R
1
C
3
R
3
L
2
C
4
1
2
3
6
5
4
D
2
D
3
LM3410
LM3410, LM3410Q
www.ti.com SNVS541G –OCTOBER 2007–REVISED MAY 2013
LM3410X WSON Design Example 11: Boot-Strap Circuit to Extend Battery Life
Figure 39. LM3410X (1.6MHz): V
IN
= 1.9V to 5.5V, V
IN
> 2.3V (TYP) for Startup, I
LED
≊≊ 300mA
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 V
OUT
Cap 10µF, 6.3V, X5R TDK C1608X5R0J106K
C3 Input V
IN
Cap 0.1µF, 6.3V, X5R TDK C1005X5R1C104K
D1, Catch Diode 0.43V
f
, Schotky, 1.0A, 20V
R
Diodes Inc DFLS120L
D2, D3 Dual Small Signal Schotky Diodes Inc BAT54CT
L1, L2 3.3µH 3A Coilcraft MOS6020-332
R1 665 mΩ, 1% Vishay CRCW0805R665F
R3 100kΩ, 1% Vishay CRCW08051003F
HB/OLED 3.4V
f
, 350mA TT Electronics/Optek OVSPWBCR44
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