LTC1644CGN#TR Linear Technology, LTC1644CGN#TR Datasheet - Page 23

• Manufacturer Part Number: LTC1644CGN#TR
• Description: IC CONTROLLER HOT SWAP 20-SSOP
• Manufacturer: Linear Technology
• Type: Hot-Swap Controllerr

Specifications of LTC1644CGN#TR

• Applications: CompactPCI™
• Internal Switch(s): No
• Voltage - Supply: 3.3V, 5V, ±12V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 20-SSOP (0.154", 3.91mm Width)
• Family Name: LTC1644
• Package Type: SSOP N
• Operating Supply Voltage (min): 2.75/10.8/-10.8V
• Operating Supply Voltage (max): 13.2/-14V
• 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: 20
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: LTC1644CGNTR

APPLICATIO S I FOR ATIO
PACKAGE DESCRIPTIO
Table 8. Sense Resistor Selection Guide
Table 9. N-Channel Power MOSFET Selection Guide
CURRENT LIMIT VALUE
CURRENT LEVEL (A)
U
(0.178 – 0.249)
.007 – .0098
5 to 10
5 to 10
5 to 10
.254 MIN
.0165 .0015
0 to 2
2 to 5
NOTE:
1. CONTROLLING DIMENSION: INCHES
2. DIMENSIONS ARE IN
3. DRAWING NOT TO SCALE
**DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD
7.6A
10A
*DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH
1A
2A
5A
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
RECOMMENDED SOLDER PAD LAYOUT
U
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
(0.406 – 1.270)
.016 – .050
W
(MILLIMETERS)
LR120601R055F
LR120601R028F
LR120601R011F
MMDF3N02HD
MMSF5N02HD
PART NUMBER
WSL1206R055
WSL1206R028
WSL2010R011
WSL2512R007
WSL2512R005
PART NUMBER
R
R
MTB50N06V
R
IRF7413
R
Si4410DY
R
U
INCHES
DS(ON)
DS(ON)
DS(ON)
DS(ON)
DS(ON)
20-Lead Plastic SSOP (Narrow .150 Inch)
0 – 8 TYP
= 0.1
= 0.025
= 0.028
= 0.01
= 0.01
.150 – .165
.045 .005
(0.38 0.10)
.015 .004
(Reference LTC DWG # 05-08-1641)
.0250 TYP
U
45
GN Package
(5.817 – 6.198)
.229 – .244
(0.203 – 0.305)
DESCRIPTION
0.055 , 0.5W, 1% Resistor
0.028 , 0.5W, 1% Resistor
0.011 , 0.5W, 1% Resistor
0.007 , 1W, 1% Resistor
0.005 , 1W, 1% Resistor
DESCRIPTION
Dual N-Channel SO-8
Single N-Channel SO-8
Single N-Channel DD Pak
Single N-Channel SO-8
Single N-Channel SO-8
.008 – .012
(1.351 – 1.727)
.053 – .068
20
1
19
2 3
18
(8.560 – 8.737)
17
4
.337 – .344*
16
5 6 7
15 14 13 12
(0.635)
.0250
BSC
8 9 10
MANUFACTURER
IRC-TT
Vishay-Dale
IRC-TT
Vishay-Dale
IRC-TT
Vishay-Dale
Vishay-Dale
Vishay-Dale
MANUFACTURER
ON Semiconductor
ON Semiconductor
ON Semiconductor
International Rectifier
Vishay-Siliconix
11
(0.102 – 0.249)
.004 – .0098
(3.810 – 3.988)
GN20 (SSOP) 0502
.150 – .157**
(1.473)
.058
REF
LTC1644
23
1644f