LTC3780_12 Datasheet, PDF (2/28 Pages) Linear Technology – High Effi ciency, Synchronous, 4-Switch Buck-Boost Controller

LTC3780
ABSOLUTE MAXIMUM RATINGS (Note 1)
Input Supply Voltage (V_IN) ........................ –0.3V to 36V
Topside Driver Voltages
(BOOST1, BOOST2) .................................. –0.3V to 42V
Switch Voltage (SW1, SW2) ........................ –5V to 36V
INTV_CC, EXTV_CC, (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 INTV_CC
I_TH, V_OSENSE Voltages .............................. –0.3V to 2.4V
Peak Output Current <10μs (TG1, TG2, BG1, BG2).....3A
INTV_CC Peak Output Current ................................. 40mA
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)
SSOP Only ........................................................ 300°C
PIN CONFIGURATION
PGOOD 1
SS 2
SENSE⁺ 3
SENSE^– 4
I_TH 5
V_OSENSE 6
SGND 7
RUN 8
FCB 9
PLLFLTR 10
PLLIN 11
STBYMD 12
TOP VIEW
24 BOOST1
23 TG1
22 SW1
21 V_IN
20 EXTV_CC
19 INTV_CC
18 BG1
17 PGND
16 BG2
15 SW2
14 TG2
13 BOOST2
G PACKAGE
24-LEAD PLASTIC SSOP
T_JMAX = 125°C, θ_JA = 130°C/W
TOP VIEW
32 31 30 29 28 27 26 25
SENSE⁺ 1
24 SW1
SENSE^– 2
23 V_IN
I_TH 3
22 EXTV_CC
V_OSENSE 4
SGND 5
21 INTV_CC
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 s 5mm) PLASTIC QFN
T_JMAX = 125°C, θ_JA = 34°C/W
EXPOSED PAD (PIN 33) IS GND, MUST BE SOLDERED TO PCB
3780fe
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