LTC3780I Просмотр технического описания (PDF) - Linear Technology
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LTC3780I Datasheet PDF : 30 Pages
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LTC3780
Absolute Maximum Ratings (Note 1)
Input Supply Voltage (VIN)......................... –0.3V to 36V
Topside Driver Voltages
(BOOST1, BOOST2)................................... –0.3V to 42V
Switch Voltage (SW1, SW2)......................... –5V to 36V
INTVCC, EXTVCC, (BOOST – SW1),
(BOOST2 – SW2), PGOOD........................... –0.3V to 7V
RUN, SS........................................................ –0.3V to 6V
PLLIN Voltage........................................... –0.3V to 5.5V
PLLFLTR Voltage........................................ –0.3V to 2.7V
FCB, STBYMD Voltages......................... –0.3V to INTVCC
ITH, VOSENSE Voltages............................... –0.3V to 2.4V
Peak Output Current <10µs (TG1, TG2, BG1, BG2)......3A
INTVCC Peak Output Current.................................. 40mA
Operating Junction Temperature Range (Notes 2, 7)
LTC3780E.............................................. –40°C to 85°C
LTC3780I............................................ –40°C to 125°C
LTC3780MP........................................ –55°C to 125°C
Storage Temperature Range.................... –65°C to 125°C
Lead Temperature (Soldering, 10 sec)
SSOP Only......................................................... 300°C
Pin Configuration
TOP VIEW
PGOOD 1
SS 2
SENSE+ 3
SENSE– 4
ITH 5
VOSENSE 6
SGND 7
RUN 8
FCB 9
PLLFLTR 10
PLLIN 11
STBYMD 12
24 BOOST1
23 TG1
22 SW1
21 VIN
20 EXTVCC
19 INTVCC
18 BG1
17 PGND
16 BG2
15 SW2
14 TG2
13 BOOST2
G PACKAGE
24-LEAD PLASTIC SSOP
TJMAX = 125°C, θJA = 130°C/W
TOP VIEW
32 31 30 29 28 27 26 25
SENSE+ 1
24 SW1
SENSE– 2
23 VIN
ITH 3
22 EXTVCC
VOSENSE 4
SGND 5
21 INTVCC
33
20 BG1
RUN 6
19 PGND
FCB 7
18 BG2
PLLFTR 8
17 SW2
9 10 11 12 13 14 15 16
UH PACKAGE
32-LEAD (5mm × 5mm) PLASTIC QFN
TJMAX = 125°C, θJA = 34°C/W
EXPOSED PAD (PIN 33) IS SGND, MUST BE SOLDERED TO PCB
3780ff
2
For more information www.linear.com/LTC3780
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