LT3492IUFD(RevA) Ver la hoja de datos (PDF) - Linear Technology
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LT3492IUFD Datasheet PDF : 22 Pages
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LT3492
ABSOLUTE MAXIMUM RATINGS
(Note 1)
VIN (Note 4)...............................................................40V
SW1-SW3, ISN1-ISN3, ISP1-ISP3............................60V
TG1-TG3 ...............................................ISP – 10V to ISP
PWM1-PWM3 ...........................................................20V
VREF, CTRL1-CTRL3, FADJ, VC1-VC3, OVP1-OVP3....2.5V
SHDN (Note 4) ...........................................................VIN
Operating Junction Temperature Range
(Note 2).................................................. –40°C to 125°C
Max Junction Temperature.................................... 125°C
Storage Temperature Range
TSSOP ............................................... –65°C to 150°C
UFD.................................................... –65°C to 125°C
PIN CONFIGURATION
SHDN 1
PWM3 2
PWM2 3
PWM1 4
VREF 5
CTRL3 6
CTRL2 7
CTRL1 8
FADJ 9
VC3 10
VC2 11
VC1 12
OVP3 13
OVP2 14
TOP VIEW
GND
29
28 VIN
27 TG3
26 ISN3
25 ISP3
24 SW3
23 SW2
22 ISP2
21 ISN2
20 TG2
19 SW1
18 ISP1
17 ISN1
16 TG1
15 OVP1
FE PACKAGE
28-LEAD PLASTIC TSSOP
TJMAX = 125°C, θJA = 30°C/W, θJC = 10°C/W
EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB
TOP VIEW
28 27 26 25 24 23
PWM1 1
22 ISP3
VREF 2
21 SW3
CTRL3 3
20 SW2
CTRL2 4
CTRL1 5
GND
19 ISP2
29
18 ISN2
FADJ 6
17 TG2
VC3 7
VC2 8
9
16 SW1
15 ISP1
10 11 12 13 14
UFD PACKAGE
28-LEAD (4mm s 5mm) PLASTIC QFN
TJMAX = 125°C, θJA = 34°C/W, θJC = 2.7°C/W
EXPOSED PAD (PIN 29) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LT3492EFE#PBF
LT3492EFE#TRPBF
LT3492FE
28-Lead Plastic TSSOP
–40°C to 125°C
LT3492IFE#PBF
LT3492IFE#TRPBF
LT3492FE
28-Lead Plastic TSSOP
–40°C to 125°C
LT3492EUFD#PBF
LT3492EUFD#TRPBF
3492
28-Lead (4mm × 5mm) Plastic QFN –40°C to 125°C
LT3492IUFD#PBF
LT3492IUFD#TRPBF
3492
28-Lead (4mm × 5mm) Plastic QFN –40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based finish parts.
*For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
3492fa
2
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