Datasheet

LT3759
25
3759fc
For more information www.linear.com/3759
TYPICAL APPLICATIONS
1.8V to 3.3V Input, 5V/2A Output Boost Converter
Efficiency vs Output Current Load Step Response at V
IN
= 2.5V
OUTPUT CURRENT (A)
0.001
EFFICIENCY (%)
60
80
100
1
3759 TA02b
40
0.01 0.1
10
10
20
30
50
70
90
0
V
IN
= 1.8V
V
IN
= 3.3V
V
OUT
500mV/DIV
(AC)
I
OUT
1A/DIV
3759 TA02c
500µs/DIV
1.6A
0.4A
SENSE
LT3759
V
IN
DRIVE
V
IN
1.8V TO 3.3V
C
IN
47µF
6.3V
X5R
R
T
27.4k
300kHz
GATE
PGOOD
FBX
GND
INTV
CC
EN/UVLO
SYNC
RT
SS
VC
L1
2.2µH
R3
59k
R4
124k
C
SS
0.1µF
M1: VISHAY SiA414DJ
L1: TOKO FDA1055-2R2M
D1: VISHAY 6CWQ06FN
R
C
7.5k
C
C1
22nF
R1
15.8k
1%
R2
34k
1%
R
S
5mΩ
0.5W
C
C2
100pF
C
VCC
4.7µF
10V
X5R
V
OUT
5V
2A
C
OUT2
100µF
6.3V
X5R
×3
3759 TA02a
D1
M1
R5
10k