LTC3614 LINER [Linear Technology], LTC3614 Datasheet - Page 25

• Manufacturer Part Number: LTC3614
• Description: 4A, 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
Effi ciency vs Output Current
V
= 1.8V
IN
10
OUTPUT CURRENT (mA)
L1: VISHAY IHLP-2525CZ-01 330nH
R
4.7M
SS
C
10nF
C
220pF
SS
C
100
43k
R
C
10μF
4
General Purpose Buck Regulator with Fast Compensation
1000
C
10pF
V
V
V
V
C1
IN
IN
IN
IN
= 2.5V
= 3.3V
= 4V
= 5.5V
3614 TA02b
PGOOD
R5A
1M
R5B
1M
10000
and Improved Step Response, 2.25MHz
R4
100k
R
24Ω
F
C
1μF
F
RUN
TRACK/SS
RT/SYNC
PGOOD
ITH
MODE
SV
100mV/DIV
IN
LTC3614
2A/DIV
V
I
OUT
OUT
SRLIM/DDR
PV
V
V
I
V
V
OUT
IN
OUT
MODE
FB
SGND
PGND
IN
R2
196k
= 3.3V
SW
= 100mA TO 4A
= 1.8V
= 1.5V
Forced Continuous Mode
Load Step Response in
0.33μH
L1
392k
22pF
R1
C3
50μs/DIV
3614 TA02a
C
100μF
O2
V
1.8V
4A
OUT
LTC3614
3614 TA02c
25
3614f