LTC3616 LINER [Linear Technology], LTC3616 Datasheet - Page 25

• Manufacturer Part Number: LTC3616
• Description: 6A, 4MHz Monolithic Synchronous Step-Down DC/DC Converter
• Manufacturer: LINER [Linear Technology]

TYPICAL APPLICATIONS
100
2.25V TO 5.5V
90
80
70
60
50
40
30
20
10
0
1
V
OUT
Efficiency vs Output Current
V
= 1.8V, V
IN
10
OUTPUT CURRENT (mA)
L1: VISHAY IHLP-2525CZ-01 220nH
IN
R
4.7M
= 3.3V
SS
C
10nF
C
470pF
SS
C
100
15k
General Purpose Buck Regulator Using Ceramic Capacitors, 2.25MHz
R
22μF
C
4
1000
C
10pF
V
V
V
V
C1
IN
IN
IN
IN
= 2.5V
= 3.3V
= 4V
= 5.5V
3616 TA02b
PGOOD
R5A
1M
R5B
1M
10000
R4
100k
R
24Ω
F
C
1μF
F
RUN
TRACK/SS
RT/SYNC
PGOOD
ITH
MODE
SV
200mV/DIV
IN
LTC3616
5A/DIV
V
I
OUT
OUT
SRLIM/DDR
PV
V
V
I
V
V
OUT
IN
OUT
MODE
FB
SGND
PGND
IN
Load Step Forced Continuous Mode
R2
196k
= 3.3V
SW
= 100mA TO 3A
= 1.8V
= 1.5V
0.22μH
L1
392k
22pF
R1
C3
50μs/DIV
3616 TA02a
C
47μF
O1
C
100μF
O2
LTC3616
3616 TA02c
V
1.8V
6A
OUT
25
3616f