LTC3780
ABSOLUTE MAXIMUM RATINGS (Note 1)
Input Supply Voltage (V )........................ –0.3V to 36V
Peak Output Current <10μs (TG1, TG2, BG1, BG2).....3A
INTV Peak Output Current ................................. 40mA
IN
Topside Driver Voltages
CC
(BOOST1, BOOST2) .................................. –0.3V to 42V
Switch Voltage (SW1, SW2) ........................ –5V to 36V
Operating Junction Temperature Range (Notes 5, 2, 7)
LTC3780E............................................. –40°C to 85°C
LTC3780I............................................ –40°C to 125°C
LTC3780MP ....................................... –55°C to 125°C
Junction Temperature (Note 2) ............................ 125°C
Storage Temperature Range................... –65°C to 125°C
Lead Temperature (Soldering, 10 sec)
INTV , EXTV , (BOOST – SW1),
CC
CC
(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 INTV
TH OSENSE
SSOP Only........................................................ 300°C
CC
I , V
Voltages .............................. –0.3V to 2.4V
PIN CONFIGURATION
TOP VIEW
TOP VIEW
1
BOOST1
TG1
24
23
22
21
20
19
18
17
16
15
14
13
PGOOD
32 31 30 29 28 27 26 25
+
2
SS
+
SENSE
SENSE
I
1
2
3
4
5
6
7
8
24 SW1
3
SW1
SENSE
–
–
23
V
IN
4
V
IN
SENSE
EXTV
INTV
22
TH
CC
5
EXTV
CC
I
TH
V
21
OSENSE
SGND
CC
6
INTV
CC
V
OSENSE
33
20 BG1
7
BG1
SGND
RUN
FCB
PGND
19
8
PGND
BG2
RUN
18 BG2
17 SW2
9
FCB
PLLFTR
10
SW2
PLLFLTR
9
10 11 12 13 14 15 16
11
TG2
PLLIN
12
BOOST2
STBYMD
G PACKAGE
24-LEAD PLASTIC SSOP
UH PACKAGE
32-LEAD (5mm s 5mm) PLASTIC QFN
T
= 125°C, θ = 130°C/W
JA
JMAX
T
= 125°C, θ = 34°C/W
JMAX JA
EXPOSED PAD (PIN 33) IS GND, MUST BE SOLDERED TO PCB
3780fe
2
Linear Systems [ Linear Systems ]
