Datasheet

LTC3646/LTC3646-1
24
36461fa
For more information www.linear.com/LTC3646
Typical applicaTions
24V Input to 5V Output at 1MHz Frequency and EXTV
CC
Efficiency Curve 50mA to 1A Load Step
PVIN
SVIN
RUN
INTV
CC
PGOOD
ITH
RT
MODE/SYNC
EXTV
CC
BOOST
SW
V
ON
V
FB
+
–
SWITCH
CONTROL
LTC3646
100k
2Ω
L1
10µH
SGND PGND
0.1µF
487k
22µF
0.6V
90.9k
R
COMP
100k
66.5k
3646 TA03a
C
OUT
30µF
V
OUT
5V
20pF4.7µF
C
COMP
33pF
V
IN
24V
2.2µF
LOAD CURRENT (A)
0.001
EFFICIENCY (%)
0.1 1
3646 TA03b
0
0.01
100
10
20
30
40
50
60
70
80
90
40µs/DIV
3646 TA03c
V
OUT
200mV/DIV
AC-COUPLED
I
L1
1A/DIV
I
LOAD
1A/DIV