LT8697
absoluTe MaxiMuM raTings
(Note 1)
pin conFiguraTion
TOP VIEW
ICTRL
RCBL
ISN
ISP
20 USB5V
19 PG
18 SYS
25
GND
17 INTV
CC
16 BST
15 SW
14 SW
13 SW
9 10 11 12
NC
NC
NC
NC
V
IN
, EN/UV, PG, ISP, ISN ...........................................42V
SYS ...........................................................................30V
USB5V .....................................................................3mA
BST Above SW ............................................................4V
SW Above V
IN
..........................................................0.3V
TR/SS, ICTRL..............................................................4V
RT, RCBL.....................................................................2V
SYNC ..........................................................................6V
Operating Junction Temperature Range (Notes 2, 3)
LT8697E ................................................. –40°C to 125°C
LT8697I.................................................. –40°C to 125°C
24 23 22 21
SYNC 1
TR/SS 2
RT 3
EN/UV 4
V
IN
5
V
IN
6
PGND 7
PGND 8
UDD PACKAGE
24-LEAD (3mm
×
5mm) PLASTIC QFN
θ
JA
= 46°C/W,
θ
JC
= 5°C/W
EXPOSED PAD (PIN 25) IS GND, MUST BE SOLDERED TO PCB
orDer inForMaTion
LEAD FREE FINISH
LT8697EUDD#PBF
LT8697IUDD#PBF
TAPE AND REEL
LT8697EUDD#TRPBF
LT8697IUDD#TRPBF
PART MARKING*
LGGW
LGGW
PACKAGE DESCRIPTION
24-Lead (3mm
×
5mm) Plastic QFN
24-Lead (3mm
×
5mm) Plastic QFN
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
For more information on lead free part marking, go to:
http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to:
http://www.linear.com/tapeandreel/
The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at T
A
= 25°C. (Notes 2, 4)
PARAMETER
V
IN
Undervoltage Lockout
V
IN
Shutdown Current
V
IN
Current in Regulation
V
IN
to Disable Forced Continuous Mode
Output Sink Current in Forced Continuous Mode
USB5V Voltage
USB5V Voltage Line Regulation
Regulated Load Voltage Through 0.3Ω
USB5V Clamp Voltage
V
EN/UV
= 0.3V
l
elecTrical characTerisTics
CONDITIONS
l
MIN
TYP
2.9
1
MAX
3.4
3
8
12
31
1.7
5.01
5.04
35
5.075
UNIT
V
µA
µA
mA
V
A
V
V
mV
V
V
V
IN
= 12V, I
LOAD
= 100µA, R
T
= 56.2k
V
IN
Rising
V
USB5V
= 5.5V, L = 6.8µH, R
T
= 56.2k
V
IN
= 12V
l
l
9
27
0.6
4.97
4.91
4.925
29
1
4.99
4.99
6
5
9
l
V
IN
= 6V to 42V
V
IN
= 12V, I
LOAD
= 2.1A, Voltage at Point of Load (End
of Cable), R
CBL
= 13.7k, R
CDC
= 10k, R
SENSE
= 20mΩ
I
USB5V
= 3mA
l
l
8697p
2
For more information
LINEAR_DIMENSIONS [ LINEAR DIMENSIONS SEMICONDUCTOR ]
