LTC3611EWP LINER [Linear Technology], LTC3611EWP Datasheet - Page 24

• Manufacturer Part Number: LTC3611EWP
• Description: 10A, 32V Monolithic Synchronous Step-Down DC/DC Converter
• Manufacturer: LINER [Linear Technology]

LTC3611
TYPICAL APPLICATION
RELATED PARTS
PART NUMBER DESCRIPTION
LTC1778
LTC3411
LTC3412
LTC3414
LTC3418
LTC3610
LTC3770
LTC3778
LT3800
LTM4600HV
LTM4601HV
LTM4602HV
LTM4603HV
24
12V AT
V
GND
OUT
5A
(OPTIONAL)
14V TO 32V
4.7μF
22μF
25V
50V
C
C5
×2
IN
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
V
IN
C
C
L1: HCP0703-4R7-R
KEEP POWER AND SIGNAL GROUNDS SEPARATE.
CONNECT TO ONE POINT.
IN
OUT
(OPTIONAL)
No R
1.25A (I
2.5A (I
4A (I
8A (I
12A Current Mode Monolithic Synchronous Step-Down Converter Up to 24V Input (28V Maximum), Current Mode Extremely Fast
Fast, No R
Margining, Tracking, PLL
Low V
60V Synchronous Step-Down Controller
10A Complete Switch Mode Power Supply
12A Complete Switch Mode Power Supply
6A Complete Switch Mode Power Supply
6A Complete Switch Mode Power Supply
: GRM31CR71H475K
: SANYO 16SVP180MX
180μF
100μF
C
16V
50V
OUT
C6
OUT
OUT
SENSE
+
+
OUT
OUT
OUT
), 4MHz, Synchronous Step-Down DC/DC Converter
), 4MHz, Synchronous Step-Down DC/DC Converter
GND
, No R
●
) 4MHz Synchronous Step-Down DC/DC Converter
SENSE
4.7μH
Current Mode Synchronous Step-Down Controller
), 4MHz, Synchronous Step-Down DC/DC Converter 95% Efficiency, V
L1
FAX: [phone]
PGND
V
IN
SENSE
Step-Down Synchronous Controller with
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
PGND
PGND
PGND
SW
SW
SW
SW
SW
SW
SW
SW
PV
PV
PV
PV
PV
Synchronous Step-Down Controller
IN
IN
IN
IN
IN
64 63 62 61 60 59 58 57 56 55
17 18 19 20 21 22 23 24 25
INTV
●
CC
www.linear.com
CMDSH-3
14V to 32V Input to 12V/5A at 500kHz
D
B
4.7μF
C
6.3V
VCC
LTC3611
0.22μF
C
B1
26 27 28 29 30 31 32
SW
INTV
54
CC
53
52 51 50 49
C
0.1μF
SS
COMMENTS
Up to 97% Efficiency, V
I
MS Package
95% Efficiency, V
I
95% Efficiency, V
I
95% Efficiency, V
Enhanced 38-Lead QFN Package
Transient Response
±0.67% 0.6V Reference Voltage; Programmable Margining;
True Current Mode; 4V ≤ V
0.6V ≤ V
Current Mode, Output Slew Rate Control
92% Efficiency, V
Control, Ultrafast Transient Response
92% Efficiency, V
Control, Ultrafast Transient Response
92% Effi ciency, V
Control, Ultrafast Transient Response
93% Effi ciency, V
EXTV
OUT
SD
SD
PGOOD
C
0.1μF
50V
SGND
SGND
SGND
SGND
SGND
SGND
SGND
F
V
FCB
RNG
V
: <1mA, TSSOP16E
: <1μA, TSSOP20E Package
V
I
I
ON
ON
CC
TH
FB
Up to 20A
RUN/SS
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
OUT
SGND
V
≤ (0.9) V
IN
(OPTIONAL)
IN
IN
IN
IN
IN
IN
IN
IN
C4
0.01μF
: 4.5V to 28V, with PLL, Output Tracking and Margining
R
510k
SS1
: 2.5V to 5.5V, V
: 2.5V to 5.5V, V
: 2.25V to 5.5V, V
: 2.25V to 5.5V, V
: 4.5V to 28V, V
: 4.5V to 28V, V
: 4.5V to 28V, V
EXTV
IN
, 4V ≤ V
R
100k
IN
C
0.01μF
PG1
CC
ON
V
: 4V to 36V, 0.8V ≤ V
IN
IN
R1
1.58k
1%
≤ 32V
INTV
(OPTIONAL)
IN
R
1%
1M
© LINEAR TECHNOLOGY CORPORATION 2008
ON
CC
≤ 36V, I
OUT
OUT
OUT
(OPTIONAL)
OUT
OUT(MIN)
(OPTIONAL)
C1
OUT(MIN)
OUT(MIN)
: 0.6V, True Current Mode
: 0.6V, True Current Mode
: 0.6V, True Current Mode
: 0.8V, I
OUT
LT 0808 REV B • PRINTED IN USA
20k
R5
: 0.8V, I
Up to 20A
= 0.8V, I
= 0.8V, Thermally
OUT
Q
R2
30.1k
1%
: 60μA, I
C
560pF
100pF
VON
C
C
≤ (0.9)(V
C1
C2
Q
: 60mA,
Q
(OPTIONAL)
3611 TA05
= 64μA,
SD
C2
: <1μA,
IN
V
V
I
SGND
NTVCC
OUT
IN
),
3611fb