Datasheet

LT8410/LT8410-1
12
84101fb
TYPICAL APPLICATIONS
16V Output Converter with 2mm × 2mm Inductor
SW CAP
GND
FBP
8410 TA06
LT8410
C1
2.2µF
C3
0.1µF
C4
0.1µF
L1
68µH
C2
0.1µF
V
OUT
= 16V
V
IN
2.5V to 16V
V
CC
V
OUT
V
REF
SHDN
R1
301k
R2
210k
TURN ON/OFF
C1: 2.2μF, 16V, X5R, 0603
C2: 0.1μF, 25V, X5R, 0603
C3: 0.1μF, 25V, X5R, 0603 *
C4: 0.1μF, 16V, X7R, 0402
L1: COILCRAFT DO2010-683ML
* HIGHER CAPACITANCE VALUE IS REQUIRED FOR
C3 WHEN THE V
IN
IS HIGHER THAN 5V
LOAD CURRENT (mA)
0.01
EFFICIENCY (%)
90
50
60
70
80
40
8410-1 TA08
100100.1 1
V
IN
= 12V
V
IN
= 3.6V
V
IN
= 5V
Efficiency vs Load Current
SW CAP
GND
FBP
8410-1 TA05
LT8410
C1
2.2µF
C3
0.1µF
C4
0.1µF
L1
100µH
C2
0.1µF
V
OUT
= 16V
V
IN
2.5V to 16V
V
CC
V
OUT
V
REF
SHDN
604k
412k
TURN ON/OFF
C1: 2.2μF, 16V, X5R, 0603
C2: 0.1μF, 25V, X5R, 0603
C3: 0.1μF, 25V, X5R, 0603 *
C4: 0.1μF, 16V, X7R, 0402
L1: MURATA LQH32CN101K53
* HIGHER CAPACITANCE VALUE IS REQUIRED FOR
C3 WHEN THE V
IN
IS HIGHER THAN 5V
LOAD CURRENT (mA)
0.01
EFFICIENCY (%)
100
50
60
70
80
90
40
8410-1 TA07
100100.1 1
V
IN
= 12V
V
IN
= 3.6V
V
IN
= 5V
V
IN
(V) I
OUT
(mA)
3.6 2.2
5 3.6
12 13
Efficiency vs Load Current
Figure 4. 16V Output Converter with Wide Input Voltage
V
OUT
(V)
RESISTOR DIVIDER
FROM V
REF
R1 (kΩ) / R2 ( kΩ)
MAXIMUM OUTPUT CURRENT (mA)
V
IN
= 2.8V V
IN
= 3.6V V
IN
= 5V V
IN
= 12V
40 NA 0.5 0.7 1.1 3.6
35 110/887 0.7 0.9 1.4 4.4
30 237/768 0.8 1 1.5 5.5
25 365/634 1 1.4 2.1 7.2
20 487/511 1.4 1.9 2.9 9.7
15 619/383 1.6 2.4 4 14
10 750/255 3.3 4.6 7 NA
5 866/127 8 11 17 NA
LT8410 Maximum Output Current vs Output Voltage