LTC1647-2CS8#TR Linear Technology, LTC1647-2CS8#TR Datasheet - Page 19

• Manufacturer Part Number: LTC1647-2CS8#TR
• Description: IC CONTROLLER HOTSWAP DUAL 8SOIC
• Manufacturer: Linear Technology
• Type: Hot-Swap Controllerr

Specifications of LTC1647-2CS8#TR

• Applications: General Purpose
• Internal Switch(s): No
• Voltage - Supply: 2.7 V ~ 16.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

APPLICATIONS INFORMATION
3.3V V
SUPPLY
ID
WITH 1394 PHY
CONTROLLER
AND/OR USB
DEVICE BAY
FAULT1
FAULT2
Figure 13. V
ON1
ON2
V
V
V
V
0.1Ω
0.1Ω
FAULT1
FAULT2
GATE1
GATE2
R1
R7
V
V
ON1
V
ON2
V
V
R1
R7
R5
10Ω
R6
10Ω
ID
C3
0.1μF
C6
0.1μF
ID
FAULT 1 WAVEFORM SHOWN WITH C3
FAULT 2 WAVEFORM SHOWN WITHOUT C6
Power Controller with Fault Status and Retry Sequence
t1
V
LKO
1
2
3
4
t7
V
ON1/FAULT1
ON2/FAULT2
GND
CC
t2
SENSE1
SENSE2
t3
8
7
1/2 MMDF3N02HD
1/2 MMDF3N02HD
V
IH
LTC1647-2
t8
GATE1
GATE2
Q1
Q2
V
t9
IL
t4
6
5
R2
10Ω
R8
10Ω
t10
t5
V
LKO
V
IH
– V
LTC1647-2/LTC1647-3
C1
10nF
C4
10nF
LKH
R3**
R9**
t11
1647-1/2/3 F13
*
** R3, R4, R7 AND R8 ARE OPTIONAL DISCHARGE
t6
C
ON THE DEVICE REQUIREMENTS
RESISTORS WHEN DEVICES ARE POWERED-OFF
Q1, Q2: ON SEMICONDUCTOR
LOAD
IS USER-SELECTED BASED
+
+
C
C
LOAD
LOAD
DEVICE #1
DEVICE #2
*
*
LTC1647-1/
R4**
R10**
USB PORT
USB PORT
1394 PHY
1394 PHY
AND/OR
AND/OR
19
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