LTC1646 LINER [Linear Technology], LTC1646 Datasheet - Page 2

• Manufacturer Part Number: LTC1646
• Description: CompactPCI Dual Hot Swap Controller
• Manufacturer: LINER [Linear Technology]

LTC1646
ABSOLUTE AXI U RATI GS
Supply Voltages: 5V
Input Voltages: (Pins 15, 16) ..................... –0.3V to 10V
Output Voltages: (Pins 1, 3, 4) .................. –0.3V to 10V
Analog Voltages and Currents:
Operating Temperature Range:
Storage Temperature Range ..................–65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
(Note 1)
temperature range, otherwise specifications are at T
SYMBOL
I
V
V
V
t
t
I
V
V
V
V
2
ELECTRICAL CHARACTERISTICS
DD
CP
OC
SS
LKO
FB
CB
GATE
TH
3VONLY
IL
(Pin 9) .................................... –0.3V to (3V
(Pins 2, 5, 7, 11, 13, 14) ........ –0.3V to (5V
(Pin 10) .......................................................... ±20mA
LTC1646C ............................................... 0°C to 70°C
LTC1646I .............................................–40°C to 85°C
PARAMETER
V
Undervoltage Lockout
Foldback Current Limit Voltage
Circuit Breaker Trip Voltage
Overcurrent Fault Response Time
Short-Circuit Fault Response Time
GATE Pin Output Current
External Gate Voltage
(GATE to GND)
Power Good Threshold Voltage
No 5V Input Mode Window Voltage V
Input Low Voltage
5VIN
Supply Current
W
IN
, 3V
IN ...............................................
W W
CONDITIONS
OFF/ON = 0V
5V
3V
V
V
V
V
V
V
(V
(V
(V
(V
OFF/ON = 0V, V
OFF/ON = 5V, V
OFF/ON = 0V, V
OFF/ON = 0V, I
OFF/ON = 0V, V
3V
5V
OFF/ON, RESETIN, FAULT
FB
FB
FB
FB
CB
CB
3VONLY
5VIN
3VIN
5VIN
3VIN
IN
IN
OUT
OUT
= (V
= (V
= (V
= (V
= (V
= (V
– V
– V
– V
– V
5VIN
5VIN
3VIN
3VIN
5VIN
3VIN
= ⎪V
U
5VSENSE
3VSENSE
5VSENSE
3VSENSE
A
IN
IN
= 25°C. V
– V
– V
– V
– V
– V
– V
5VIN
GATE
+ 0.3V)
+ 0.3V)
GATE
GATE
GATE
5VIN
5VSENSE
5VSENSE
3VSENSE
3VSENSE
5VSENSE
3VSENSE
The
) = 100mV, TIMER Open
) = 100mV, TIMER Open
) = 200mV, TIMER Open
) = 200mV, TIMER Open
– V
10V
= –1µA
= 3.3V, I
= 0V, TIMER = 0V
= 5V, TIMER = 0V
= 5V, FAULT = 0V, TIMER Open
3VIN
●
5VIN
), V
), V
), V
), V
), V
), V
denotes the specifications which apply over the full operating
⎪, V
5VOUT
5VOUT
3VOUT
3VOUT
5VOUT
3VOUT
= 5V and V
GATE
5VOUT
PACKAGE/ORDER I FOR ATIO
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking:
ORDER PART NUMBER
= 0V, TIMER = 0V
= 4V, TIMER = 0V
= 0V, TIMER = 0V
= 2V, TIMER = 0V
= –1µA
= 5V, TIMER Open
= 3.3V, TIMER Open
= V
3VOUT
LTC1646CGN
LTC1646IGN
3VIN
= 3.3V
= 3.3V unless otherwise noted.
RESETOUT
PWRGD
TIMER
FAULT
5V
3V
GND
3V
OUT
OUT
IN
http://www.linear.com/leadfree/
T
JMAX
16-LEAD PLASTIC SSOP
1
2
3
4
5
6
7
8
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
= 125°C, θ
GN PACKAGE
TOP VIEW
MIN
–18
2.3
2.3
2.8
4.5
15
50
15
50
50
50
10
10
80
12
11
50
4
JA
= 135°C/W
U
GN PART MARKING
16
15
14
13
12
11
10
9
0.145
0.145
2.50
2.55
4.65
TYP
–13
200
120
1.5
2.9
20
55
20
55
56
56
21
21
15
13
RESETIN
OFF/ON
DRIVE
PRECHARGE
5V
5V
GATE
3V
7
IN
SENSE
SENSE
1646
1646I
W
MAX
4.75
300
200
2.7
2.7
3.0
0.8
30
65
30
65
65
65
–8
12
30
30
16
15
4
1
1
UNITS
1646fa
U
mA
mV
mV
mV
mV
mV
mV
mA
mV
µA
µA
µs
µs
µs
µs
V
V
V
V
V
V
V