LTC4240 Linear Technology, LTC4240 Datasheet - Page 2
LTC4240
Manufacturer Part Number
LTC4240
Description
CompactPCI Hot Swap Controller with I2C Compatible Interface
Manufacturer
Linear Technology
Datasheet
1.LTC4240.pdf
(28 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
LTC4240CGN
Manufacturer:
LINEAR/凌特
Quantity:
20 000
ABSOLUTE AXI U RATI GS
temperature range, otherwise specifications are at T
LTC4240
(Notes 1, 2)
Supply Voltages
Input Voltages
Output Voltages
Operating Temperature Range
Storage Temperature Range .................... 65 C to 150 C
Lead Temperature (Soldering, 10 sec).................. 300 C
SYMBOL
I
V
V
V
t
t
I
I
I
2
ELECTRICAL CHARACTERISTICS
DD
OC
SC
GATE(UP)
GATE(DN)
GATE(FAULT)
LKO
FB
CB
V
GATE
5V
12V
V
PRSNT1#, PRSNT2#, SCL, RESETIN,
OFF/ON .................................................. –0.3V to 12V
5V
3V
ADDRIN, PRECHARGE ......................... –0.3V to 5V
TIMER, FAULT, PWRGD, SDA, RESETOUT,
LED, DRIVE, GATE, 12V
V
BE ............................................. 0.3V to (5V
LTC4240C ............................................... 0 C to 70 C
LTC4240I .............................................–40 C to 85 C
EEIN ...................................................................
EEOUT ................................................................
IN ....................................................................
OUT
SENSE
IN .................................................................
, 5V
PARAMETER
V
Undervoltage Lockout
Foldback Current Limit Voltage
Circuit Breaker Trip Voltage
Overcurrent Fault Response Time
Overcurrent Fault Response Time
Short-Circuit Response Time
GATE Pin Turn-On Current
GATE Pin Turn-Off Current
GATE Pin Fault-Off Current
External Gate Voltage
, 3V
12VIN
SENSE
OUT ............................
Supply Current
W
, 3V
IN
,
OUT .......................
W W
–0.3V to (5V
CONDITIONS
OFF/ON = 0V
12V
5V
3V
V
V
V
V
V
V
V
V
V
(V
(V
(V
(V
OFF/ON = 0V, V
V
OFF/ON = 0V, V
EEIN
FB
FB
FB
FB
TV
TV
TV
TV
GATE
V
5VIN
3VIN
5VIN
3VIN
IN
IN
GATE
IN
= (V
= (V
= (V
= (V
= (V
= (V
= (V
= (V
= 5V, (Note 3)
– V
– V
– V
– V
–0.3V to 12V
–0.3V to 14V
–0.3V to 14V
0.3V to –14V
–14V to 0.3V
= (V
5VIN
5VIN
3VIN
3VIN
5VIN
5VIN
3VIN
3VIN
A
U
5VSENSE
3VSENSE
5VSENSE
3VSENSE
= 25 C. 12V
IN
IN
12VIN
– V
– V
– V
– V
– V
– V
– V
– V
+ 0.3V)
+ 0.3V)
GATE
GATE
5VSENSE
5VSENSE
3VSENSE
3VSENSE
5VSENSE
5VSENSE
3VSENSE
3VSENSE
The denotes the specifications which apply over the full operating
– V
) = 100mV, TIMER = Open
) = 100mV, TIMER = Open
) = 200mV, TIMER = Open
) = 200mV, TIMER = Open
= 0V, TIMER = 0V
= 2V, TIMER = Open, FAULT = 0V
GATE
IN
), V
), V
), V
), V
), V
), V
), V
), V
IN
), I
= 12V, V
5VOUT
5VOUT
3VOUT
3VOUT
5VOUT
5VOUT
3VOUT
3VOUT
GATE
PACKAGE/ORDER I FOR ATIO
Consult LTC Marketing for parts specified with wider operating temperature ranges.
RESETOUT
PRSNT1#
PRSNT2#
= 1 A
= 0V, TIMER = 0V
= 3V, TIMER = 0V
= 0V, TIMER = 0V
= 2V, TIMER = 0V
= 5V, TIMER = Open
= 0V, TIMER = Open
= 0V, TIMER = Open
ADDRIN
= 3.3V, TIMER = Open
PWRGD
TIMER
FAULT
5V
12V
V
EEIN
GND
SDA
EEIN
SCL
OUT
BE
IN
= –12V, V
T
28-LEAD PLASTIC SSOP
JMAX
10
11
12
13
14
1
2
3
4
5
6
7
8
9
= 140 C,
GN PACKAGE
TOP VIEW
3VIN
JA
= 3.3V, V
= 135 C/W
28
27
26
25
24
23
22
21
20
19
18
17
16
15
OFF/ON
RESETIN
12V
V
3V
3V
3V
5V
5V
GATE
PRECHARGE
DRIVE
DGND
LED
EEOUT
OUT
SENSE
IN
IN
SENSE
OUT
5VIN
7.00
4.10
2.35
MIN
– 20
100
2.5
15
55
15
55
50
50
25
25
25
25
6
6
= 5V unless otherwise noted.
U
8.00
2.45
TYP
– 65
200
600
4.3
–9
25
70
25
65
55
11
55
11
35
35
35
35
3
6
LTC4240CGN
LTC4240IGN
ORDER PART
NUMBER
W
10.80
–10.5
–100
1000
MAX
4.45
2.55
300
8.5
35
85
35
80
60
16
60
16
55
55
55
55
8
UNITS
U
4240f
mA
mV
mV
mV
mV
mV
mV
mV
mV
mA
mV
V
V
V
V
A
A
s
s
s
s