LTC3605 LINER [Linear Technology], LTC3605 Datasheet - Page 20

• Manufacturer Part Number: LTC3605
• Description: 20V, 5A Synchronous Step-Down Regulator
• Manufacturer: LINER [Linear Technology]

LTC3605A
TYPICAL APPLICATION
20
RELATED PARTS
PART NUMBER
LTC3605
LTC3603
LTC3414/LTC3416
LTC3415
LTC3608
LTC3610
LTC3611
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
–3.6V Negative Converter Efficiency
100
90
80
70
60
50
40
30
20
10
0
0.01
DESCRIPTION
15V, 5A (I
15V, 2.5A (I
4A (I
7A (I
18V, 8A (I
24V, 12A (I
32V, 10A (I
DCM
OUT
OUT
●
CCM
470pF
16.2k
FAX: [phone]
), 4MHz, Synchronous Step-Down DC/DC Converters
), 1.5MHz, Synchronous Step-Down DC/DC Converter
LOAD CURRENT (A)
OUT
OUT
0.1
OUT
OUT
OUT
), 4MHz, Synchronous Step-Down DC/DC Converter
) 1MHz, Synchronous Step-Down DC/DC Converter
), 1MHz, Synchronous Step-Down DC/DC Converter
), 1MHz, Synchronous Step-Down DC/DC Converter
), 3MHz, Synchronous Step-Down DC/DC Converter 95% Efficiency, V
47pF
1
162k
3605A TA05b
●
www.linear.com
10
0.1µF
1
2
3
4
5
6
CLKIN
–3.6V Negative Converter
RT
PHMODE
MODE
FB
TRACK/SS
I
RUN
SV
TH
IN
C1
2.2µF
7
24
CLKOUT SGND
PGOOD V
23
8
100k
LTC3605A
ON
9
22
INTV
PGND
21
CC
10
D1
BOOST SV
SW
11
20
PV
PV
SW
SW
SW
SW
SW
COMMENTS
95% Efficiency, V
I
I
95% Efficiency, V
I
95% Efficiency, V
I
95% Efficiency, V
I
95% Efficiency, V
I
95% Efficiency, V
I
SD
SD
SD
SD
SD
SD
SD
IN
IN
IN
12
19
0.1µF
18
17
16
15
14
13
< 1µA, 4mm × 4mm QFN24
< 1µA, 3mm × 3mm QFN16, MSE16
< 1µA, TSSOP20E
< 1µA, 5mm × 7mm QFN38
< 15µA, 7mm × 8mm QFN52
< 15µA, 9mm × 9mm QFN64
< 15µA, 9mm × 9mm QFN64
10
2A/DIV
SW
L1 1µH
I
L
V
V
I
–3.6V Negative Converter
LOAD
C
22µF
×2
IN
OUT
IN
= 12V
= –3.6V
= 2A
0.1µF
IN
IN
IN
IN
IN
IN
IN
V
3V TO 16V
IN
C
47µF
×2
: 4V to 15V, V
: 4.5V to 15V, V
: 2.25V to 5.5V, V
: 2.5V to 5.5V, V
: 4V to 18V, V
: 4V to 24V, V
: 4V to 32V, V
OUT
3605A TA05
400ns/DIV
 LINEAR TECHNOLOGY CORPORATION 2012
24.9k
4.99k
V
–3.6V
2A
OUT
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
3605A TA05c
= 0.6V, I
= 0.6V, I
= 0.6V, I
= 0.6V, I
LT 0512 • PRINTED IN USA
= 0.6V, I
= 0.6V, I
= 0.8V, I
Q
Q
Q
Q
= 2mA,
Q
= 900µA,
= 900µA,
= 900µA,
Q
= 75µA,
Q
= 450µA,
= 64µA,
3605af