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LT8697IUDD#TRPBF

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30
LT8697
25
8697fb
For more information www.linear.com/LT8697
TYPICAL APPLICATIONS
5V Step-Down Converter with Cable Drop Compensation for
Copper Cabling Over Wide Temperature Range
Temperature Correction for Cable Drop Compensation
Through Copper Cabling
EN/UV
PG
INTV
CC
ICTRL
SYNC
TR/SS
RT
SW
SYS
ISP
ISN
USB5V
RCBL
V
IN
V
IN
BST
L
10µH
R
SENSE
0.02Ω
GND
LT8697
C
VCC
1µF
C
SS
10nF
f
SW
= 700kHz FOR
V
IN
= 7V TO 27V
R
T
56.2k
PGND
C
IN
10µF
C
BST
0.1µF
C
OUT
100µF
C
CDC
1nF
R
CBL2
10k
R
NTC
10k
R
CBL1
10k
0.13Ω
4 METERS AWG20
TWISTED PAIR CABLE
0.13Ω
R
CDC
10k
V
OUT
LOAD
8697 TA02
V
LOAD
5V
2.1A
+
–
C
IN
: X7R OR X5R
C
OUT
: 1210 CASE SIZE, X7R OR X5R
C
VCC
: X7R OR X5R
C
BST
: X7R OR X5R
L: WÜRTH 74437368100
R
NTC
: MURATA NCP21XV103J03RA
V
IN(MAX)
= 42V
V
IN(MIN)
= 5.8V AT 1A I
LOAD
6.6V AT 2.1A I
LOAD
TEMPERATURE (°C)
–50
VOLTAGE (V)
5.2
5.4
150
8697 TA02b
5.0
4.8
0
50
100
5.8
V
LOAD
V
OUT
5.6
I
LOAD
= 2.1A
CABLE = 4 METERS AWG20
TWISTED-PAIR COPPER
LT8697
26
8697fb
For more information www.linear.com/LT8697
TYPICAL APPLICATIONS
2MHz 5V Step-Down Converter with Cable Drop Compensation
EN/UV
PG
INTV
CC
ICTRL
SYNC
TR/SS
RT
SW
SYS
ISP
ISN
USB5V
RCBL
V
IN
V
IN
BST
L
3.3µH
R
SENSE
0.018Ω
GND
LT8697
C
VCC
1µF
R
T
16.5k
PGND
C
SS
10nF
f
SW
= 2MHz FOR
V
IN
= 8V TO 27V
C
BST
: X7R OR X5R
C
IN
: X7R OR X5R
C
OUT
: 1210 CASE SIZE, X7R OR X5R
C
VCC
: X7R OR X5R
L: COILCRAFT XAL7070-332
V
IN(MAX)
= 42V
V
IN(MIN)
= 5.7V AT 1A I
LOAD
6.3V AT 2.4A I
LOAD
C
IN
4.7µF
C
BST
0.1µF
C
OUT
47µF
×2
R
CBL
18.2k
0.1Ω
3 METERS AWG 20
TWISTED PAIR CABLE
0.1Ω
R
CDC
10k
C
CDC
1nF
V
OUT
LOAD
8697 TA03a
V
LOAD
5V
2.4A
+
–
VOLTAGE (V)
CURRENT (A)
5.00
5.25
5.50
8697 TA03b
4.75
4.50
4.25
3
4
5
2
1
0
100µs/DIV
V
OUT
V
LOAD
I
LOAD
50mA/µs
Transient Response Through 3 Meters AWG
20 Twisted-Pair Cable
2MHz 5.1V Step-Down Converter with Cable Drop Compensation
and Output Current Monitor
EN/UV
PG
INTV
CC
ICTRL
SYNC
TR/SS
RT
SW
SYS
ISP
ISN
USB5V
RCBL
V
IN
V
IN
BST
L
3.3µH
R
SENSE
0.02Ω
GND
LT8697
C
VCC
1µF
C
SS
10nF
R
T
16.5k
PGND
C
IN
4.7µF
C
BST
0.1µF
C
OUT
47µF
×2
C
CDC
1nF
R
CBL
15.4k
V
MON
0.41V/A
0.13Ω
4 METERS AWG20
TWISTED PAIR CABLE
0.13Ω
R
5V1
500k
R
CDC
10k
V
OUT
LOAD
8697 TA04a
V
LOAD
5.1V
2.1A
+
–
100k
C
BST
: X7R OR X5R
C
IN
: X7R OR X5R
C
OUT
: 1210 CASE SIZE, X7R OR X5R
C
VCC
: X7R OR X5R
L1: SUMIDA CDRR105NP-3R3NC
V
IN(MAX)
= 42V
V
IN(MIN)
= 5.8V AT 1A I
LOAD
6.5V AT 2.1I
LOAD
f
SW
= 2MHz FOR
V
IN
= 8V TO 27V
Transient Response
0.5A to 1.5A Load Step
VOLTAGE (V)
CURRENT (A)
4.75
5.00
5.25
V
LOAD
8697 TA04b
1.00
0.50
0
2
1
0
400µs/DIV
V
MON
0.41V/A
I
LOAD
10mA/µs
LT8697
27
8697fb
For more information www.linear.com/LT8697
TYPICAL APPLICATIONS
2.2MHz, 5.05V Step-Down Converter with Negative Output Resistance
Output Voltage vs Load Current
EN/UV
PG
INTV
CC
ICTRL
SYNC
TR/SS
RT
SW
SYS
ISP
ISN
USB5V
RCBL
V
IN
V
IN
BST
L
2.7µH
R
SENSE
0.018Ω
GND
LT8697
C
VCC
1µF
R
T
14.7k
PGND
C
SS
10nF
f
SW
= 2.2MHz FOR
V
IN
= 8V TO 27V
C
BST
: X7R OR X5R
C
IN
: X7R OR X5R
C
OUT
: 1210 CASE SIZE, X7R OR X5R
C
VCC
: X7R OR X5R
L: COILCRAFT XAL7030-272
V
IN(MAX)
= 42V
V
IN(MIN)
= 5.8V AT 1A I
LOAD
6.5V AT 2.4A I
LOAD
C
IN
4.7µF
C
BST
0.1µF
C
OUT
47µF
×2
R
CBL
15.4k
0.1Ω
V
OUT
3 METERS AWG 20
TWISTED PAIR CABLE
0.1Ω
R
CDC2
9.09k
R
CDC1
1k
C
CDC
1nF
R
5VO5
100k
LOAD
8697 TA07a
V
LOAD
5.05V
2.4A
+
–
I
LOAD
(A)
0
5.0
VOLTAGE (V)
5.2
5.4
5.6
5.8
0.5 1.0 1.5 2.0
8697 TA07b
2.5 3.0
V
OUT
V
LOAD
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P27P28-P30

LT8697IUDD#TRPBF

Mfr. #:
Buy LT8697IUDD#TRPBF
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators USB 5V 2.5A Output, 42V Inpuut Synchronous Step-Down Regulator with Cable Drop Compensation
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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