LT1641-1IS8 Linear Technology, LT1641-1IS8 Datasheet - Page 2

• Manufacturer Part Number: LT1641-1IS8
• Description: IC CONTRLR HOTSWAP POSVOLT 8SOIC
• Manufacturer: Linear Technology
• Type: Hot-Swap Controllerr

Specifications of LT1641-1IS8

• Applications: General Purpose
• Internal Switch(s): No
• Voltage - Supply: 9 V ~ 80 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: LT16411IS8

LT1641-1/LT1641-2
ABSOLUTE AXI U RATI GS
(Note 1)
Supply Voltage (V
Input Voltage (SENSE) .............................– 0.3V to 100V
Input Voltage (TIMER) ...............................– 0.3V to 44V
Input Voltage (FB, ON) ...............................– 0.3V to 60V
Output Voltage (PWRGD) ........................– 0.3V to 100V
Output Voltage (GATE) ............................– 0.3V to 100V
Operating Temperature Range
Storage Temperature Range ................. – 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
DC ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
SYMBOL
V
I
V
V
V
V
I
∆V
V
I
I
∆V
I
I
V
V
V
I
V
I
2
CC
INFB
GATEUP
GATEDN
TIMERUP
TIMERON
INON
OH
CC
LKO
FBH
FBL
FBHST
SENSETRIP
ONH
ONL
ONHYST
OL
FB
GATE
LT1641-1C, LT1641-2C ........................... 0°C to 70°C
LT1641-1I, LT1641-2I ........................ – 40°C to 85°C
PARAMETER
V
V
V
FB Pin High Voltage Threshold
FB Pin Low Voltage Threshold
FB Pin Hysteresis Voltage
FB Pin Input Current
FB Pin Threshold Line Regulation
SENSE Pin Trip Voltage (V
GATE Pin Pull-Up Current
GATE Pin Pull-Down Current
External N-Channel Gate Drive
TIMER Pin Pull-Up Current
TIMER Pin Pull-Down Current
ON Pin High Threshold
ON Pin Low Threshold
ON Pin Hysteresis
ON Pin Input Current
PWRGD Output Low Voltage
PWRGD Pin Leakage Current
CC
CC
CC
Operating Range
Supply Current
Undervoltage Lockout
CC
W
) ...............................– 0.3V to 100V
W W
CC
– V
SENSE
)
U
A
CONDITIONS
ON = 3V
FB Low to High Transition
FB High to Low Transition
V
9V ≤ V
V
V
Charge Pump On, V
Any Fault Condition, V
V
V
V
V
ON Low to High Transition
ON High to Low Transition
V
I
I
V
O
O
FB
FB
FB
GATE
CC
TIMER
TIMER
ON
PWRGD
= 25°C. V
= 2mA
= 4mA
= GND
= 0V
= 1V
= 20V to 80V
= GND
– V
CC
= 0V
= 1V
= 80V
≤ 80V
CC
, V
cc
The
CC
= 24V
= 10.8V to 20V
●
PACKAGE/ORDER I FOR ATIO
Consult LTC Marketing for parts specified with wider operating temperature ranges.
GATE
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking:
denotes the specifications which apply over the full operating
GATE
ORDER PART NUMBER
= 7V
= 2V
LT1641-1CS8
LT1641-1IS8
LT1641-2CS8
LT1641-2IS8
PWRGD
GND
ON
T
http://www.linear.com/leadfree/
FB
JMAX
1
2
3
4
8-LEAD PLASTIC SO
= 125°C, θ
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
S8 PACKAGE
TOP VIEW
1.280
1.221
1.280
1.221
MIN
– 24
7.5
4.5
1.5
39
– 5
35
10
9
8
JA
= 110°C/W
U
S8 PART MARKING
8
7
6
5
1.313
1.233
1.313
1.233
TYP
– 10
– 80
V
SENSE
GATE
TIMER
8.3
80
12
47
70
80
CC
2
3
16411
16411I
16412
16412I
W
1.345
1.245
1.345
1.245
– 132
MAX
0.05
– 20
100
5.5
8.8
0.4
2.5
– 1
– 1
80
17
55
18
18
10
5
164112fc
UNITS
mV/V
U
mA
mV
mV
mV
mA
mV
µA
µA
µA
µA
µA
µA
V
V
V
V
V
V
V
V
V
V