LTC1642CGN Linear Technology, LTC1642CGN Datasheet - Page 16

• Manufacturer Part Number: LTC1642CGN
• Description: IC CONTROLLER HOTSWAP ADJ 16SSOP
• Manufacturer: Linear Technology
• Type: Hot-Swap Controllerr

Specifications of LTC1642CGN

• Applications: General Purpose, Infiniband™
• Internal Switch(s): No
• Voltage - Supply: 2.97 V ~ 16.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 16-SSOP (0.150", 3.90mm Width)
• Linear Misc Type: Positive Low Voltage
• Family Name: LTC1642
• Package Type: SSOP N
• Operating Supply Voltage (min): 2.97V
• Operating Supply Voltage (max): 16.5V
• Operating Temperature (min): 0C
• Operating Temperature (max): 70C
• Operating Temperature Classification: Commercial
• Product Depth (mm): 3.99mm
• Product Height (mm): 1.5mm
• Mounting: Surface Mount
• Pin Count: 16
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

PACKAGE DESCRIPTIO
LTC1642
TYPICAL APPLICATIO
PART NUMBER
LTC1421
LTC4211
LT4250
LTC1643
16
RELATED PARTS
(0.178 – 0.249)
NOTE:
1. CONTROLLING DIMENSION: INCHES
2. DIMENSIONS ARE IN
.007 – .0098
(0.38 ± 0.10)
.015 ± .004
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
(0.406 – 1.270)
(MILLIMETERS)
.016 – .050
VBxEn_L
VB_Ret
INCHES
VB_In
× 45°
*INSTALL D1 FOR AUTOMATIC RESTART
BACKPLANE
IF USING D1, INCREASE C1
InfiniBand
DESCRIPTION
Hot Swap Controller
Hot Swap Controller with Multifunction Current Control
Negative Voltage Hot Swap Controller in SO-8
PCI-Bus Hot Swap Controller
●
FAX: [phone]
3. DRAWING NOT TO SCALE
**DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD
*DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH
0° – 8°
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
TYP
(0.203 – 0.305)
LONG
SHORT
LONG
.008 – .012
TYP
LOCAL POWER
.0532 – .0688
(1.35 – 1.75)
10.2k 1%
0.01µF
U
R5
ENABLE
127k
C7
1%
R6
U
●
www.linear.com
12V Hot Swap Circuit for InfiniBand Modules
12.4k
R11
1%
16-Lead Plastic SSOP (Narrow .150 Inch)
START-UP DELAY IS 20ms TYPICAL
CIRCUIT-BREAKER DELAY IS 1ms TYPICAL
R12
84.5k
1%
10k
(Reference LTC DWG # 05-08-1641)
11
0.01µF
9
C5
OV
COMP
(0.635)
.0250
V
REF
BSC
(0.102 – 0.249)
CC
.004 – .0098
13
16
+
C6
0.1µF
R2
COMP
SENSE
GN Package
15
12
1N4705
–
(5.817 – 6.198)
CRWBR RST TMR BRK TMR
18V
.229 – .244
InfiniBand
D2
MODULE
1
0.033µF
LTC1642
100Ω
C1*
R3
Q1
GATE
3
16 15 14 13
14
1
0.033µF
†
C4
330Ω
2 3
M
FAIRCHILD
5%
R4
(4.801 – 4.978)
O
D
.189 – .196*
U
E L
5 2
0 5
4
2
30k
COMPOUT
COMMENTS
Two Supplies from 3V to 12V and –12V
Single Supply from 2.5V to 16.5V, MSOP Package
– 48V Supplies, Active Current Limit
3.3V, 5V, ±12V Supplies for PCI Bus, Active Current Limit
W
W
P
12 11 10 9
5 6 7
O
C2
0.047µF
RESET
FAULT
GND
W
E
ON
8
R
FB
[phone]
1N4148
10
5
7
6
4
0
0
0 .
0 .
8
5 1
7 0
D1*
R
Ω
Ω
2
(3.810 – 3.988)
5 ,
5 ,
.150 – .157**
%
%
(0.229)
.009
REF
F
F
D
D
R8
100k
1%
S
S
R9
681k
1%
Q
© LINEAR TECHNOLOGY CORPORATION 1999
6
6
1
1 6
8 6
2
0
†
†
.254 MIN
.0165 ± .0015
RECOMMENDED SOLDER PAD LAYOUT
LT/LT 0805 REV B • PRINTED IN USA
DC/DC
CONVERTER
INPUT
UV
TO CONVERTER'S
RUN/SS
TO DC/DC RETURN
1642 TA02
.045 ±.005
.150 – .165
GN16 (SSOP) 0204
.0250 BSC
1642fb