LM3410, LM3410Q
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SNVS541G –OCTOBER 2007–REVISED MAY 2013
LM3410X WSON Design Example 11: Boot-Strap Circuit to Extend Battery Life
V
IN
V
O
L
D
1
C
1
4
D
2
C
1
LM3410
L
2
1
2
3
6
5
4
C
2
C
3
R
3
D
3
R
1
Figure 39. LM3410X (1.6MHz): VIN = 1.9V to 5.5V, VIN > 2.3V (TYP) for Startup, ILED ≊ 300mA
Part ID
U1
Part Value
2.8A ISW LED Driver
10µF, 6.3V, X5R
10µF, 6.3V, X5R
0.1µF, 6.3V, X5R
0.43Vf, Schotky, 1.0A, 20VR
Dual Small Signal Schotky
3.3µH 3A
Mfg
TI
Part Number
LM3410XSD
C1 Input VPWR Cap
C2 VOUT Cap
C3 Input VIN Cap
D1, Catch Diode
D2, D3
TDK
C1608X5R0J106K
C1608X5R0J106K
C1005X5R1C104K
DFLS120L
TDK
TDK
Diodes Inc
Diodes Inc
Coilcraft
Vishay
BAT54CT
L1, L2
MOS6020-332
CRCW0805R665F
CRCW08051003F
OVSPWBCR44
R1
665 mΩ, 1%
R3
100kΩ, 1%
Vishay
HB/OLED
3.4Vf, 350mA
TT Electronics/Optek
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