LT3436 LINER [Linear Technology], LT3436 Datasheet - Page 14

• Manufacturer Part Number: LT3436
• Description: 3A, 800kHz Step-Up Switching Regulator
• Manufacturer: LINER [Linear Technology]

LT3436
14
TYPICAL APPLICATIO S
3.6V TO 17V
GND
V IN
SEPIC Converter Drives 5W LumiLEDs Luxeon V White LEDs at 70% Efficiency
Q1: DIODES, INC. MMBT2222A
L1: CDRH6D28 10µH 1.7A
L2: CDRH4D28 10µH 1A
D2: LUMILEDS LXHL-PW03 EMITTER OR LXHL-LW6C STAR
C1
4.7µF
X5R
25V
CERAMIC
LED ON
+
U
SINGLE
Li-Ion
CELL
8.2k
+
SHDN
OFF
V
SYNC
IN
C1
10µF
GND
LT3436
ON
L1
Single Li-Ion Cell to 5V
GND
0.1µF
SHDN
SW
GND
V
FB
C4
C
LT3436
3.3nF
V
IN
C2
1.5k
R3
4.7µH
C
2.2µF, X5R, 25V
CERAMIC
1.86A
V
V
COUP
I
1.5A
2.0A
L1
OUT
SW
C
Q1
FB
23.7k
2.7V
3.3V
3.6V
V
R5
R6
4.99k
IN
C3
470pF
124k
B220A
R7
D1
LT1783
V
IN
LT3436 • TA04
V
R2
10k
1%
OUT
R1
31.6k
1%
B130A
+
–
L2
D1
+
R4
1k
1%
C4
47µF
10V
V
5V
OUT
D2
700mA
R2
0.068Ω
1%
3436 TA04b
C2
22µF
X5R
16V
CERAMIC
V
OUT
3436fa