Absolute Maximum Ratings; Order Information; Pin Configuration - Linear Technology Analog Devices LT8708-1 Datasheet

ABSOLUTE MAXIMUM RATINGS

(Note 1)
V – V , V – V
CSP CSN CSPIN CSNIN
V – V ............................... –0.3V to 0.3V
CSPOUT CSNOUT
CSP, CSN Voltage ......................................... –0.3V to 3V
V Voltage (Note 2) ................................... –0.3V to 2.2V
C
RT, FBOUT, SS Voltage ................................ –0.3V to 5V
IMON_INP, IMON_INN, IMON_OP,
IMON_ON, ICP, ICN Voltage ..................... –0.3V to 5V
SYNC Voltage ............................................ –0.3V to 5.5V
INTV , GATEV Voltage ............................ –0.3V to 7V
CC CC
V – V , V
BOOST1 SW1 BOOST2
SWEN, RVSOFF Voltage ............................... –0.3V to 7V
SWEN Current .......................................................0.5mA
RVSOFF Current .......................................................1mA
FBIN, SHDN Voltage .................................. –0.3V to 30V
VINHIMON Voltage ..................................... –0.3V to 30V
VOUTLOMON Voltage .................................. –0.3V to 5V
DIR, MODE Voltage ...................................... –0.3V to 5V
CSNIN, CSPIN, CSPOUT, CSNOUT Voltage ...–0.3V to 80V
V , EXTV Voltage ............................ –0.3V to 80V
INCHIP CC
SW1, SW2 Voltage ..................................... 81V (Note 6)
BOOST1, BOOST2 Voltage ......................... –0.3V to 87V
BG1, BG2, TG1, TG2 ........................................... (Note 5)
LDO33, CLKOUT ................................................ (Note 8)
Operating Junction Temperature Range
LT8708-1E (Notes 3, 8) .......................–40°C to 125
LT8708-1I (Notes 3, 8) ........................–40
LT8708-1H (Notes 3, 8) .......................–40
Storage Temperature Range ...................–65

ORDER INFORMATION

LEAD FREE FINISH TAPE AND REEL
LT8708EUHG-1#PBF LT8708EUHG-1#TRPBF
LT8708IUHG-1#PBF LT8708IUHG-1#TRPBF
LT8708HUHG-1#PBF LT8708HUHG-1#TRPBF
Consult ADI Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Tape and reel specifications. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix.
,
– V ................ –0.3V to 7V
SW2
C to 125
°
C to 150
°
C to 150
°
PART MARKING* PACKAGE DESCRIPTION
87081
87081
87081
For more information

PIN CONFIGURATION

40 39 38 37 36 35
CLKOUT 1
SS 2
SHDN
3
CSN
4
CSP 5
ICN 6
DIR 7
FBIN 8
FBOUT 9
V
10
C
IMON_INP 11
IMON_INN 12
RT 13
SYNC 14
15 16 17 18
40-LEAD (5mm × 8mm) PLASTIC QFN
T = 150°C, θ
JMAX
EXPOSED PAD (PIN 41) IS GND, MUST BE SOLDERED TO PCB
C
°
C
°
C
°
C
°
40-Lead (5mm × 8mm) Plastic QFN
40-Lead (5mm × 8mm) Plastic QFN
40-Lead (5mm × 8mm) Plastic QFN
www.analog.com
LT8708-1
TOP VIEW
34
33 CSPIN
32 CSNIN
CSNOUT
31
CSPOUT
30
EXTV
29
CC
41
ICP
GND
VINHIMON
VOUTLOMON
25 RVSOFF
BOOST1
24
23
TG1
SW1
22
19 20 21
UHG PACKAGE
= 36°C/W, θ = 38°C/W
JA JC
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
–40°C to 150°C
Rev 0
3