LTC3892-1_15 Datasheet, PDF (2/36 Pages) Linear Technology – 60V Low IQ, Dual, 2-Phase Synchronous Step-Down DC/DC Controller

LTC3892/LTC3892-1
Absolute Maximum Ratings (Notes 1, 3)
Input Supply Voltage (V_IN).......................... –0.3V to 65V
Top Side Driver Voltages
(BOOST1, BOOST2)................................ –0.3V to 76V
Switch Voltage (SW1, SW2)........................... –5V to 70V
DRV_CC, (BOOST1-SW1),
(BOOST2-SW2)........................................–0.3V to 11V
BG1, BG2, TG1, TG2............................................ (Note 8)
RUN1, RUN2 Voltages................................. –0.3V to 65V
SENSE1⁺, SENSE2⁺, SENSE1^–
SENSE2^– Voltages.................................. –0.3V to 65V
PLLIN/MODE, FREQ, INTV_CC Voltages.......... –0.3V to 6V
EXTV_CC Voltage.......................................... –0.3V to 14V
I_TH1, I_TH2, V_FB1, V_FB2 Voltages...................... –0.3V to 6V
DRVSET, DRVUV Voltages............................ –0.3V to 6V
TRACK/SS1, TRACK/SS2 Voltages............... –0.3V to 6V
PGOOD1, PGOOD2 Voltages (LTC3892)........ –0.3V to 6V
VPRG1, ILIM Voltages (LTC3892)................. –0.3V to 6V
Operating Junction Temperature Range (Note 2)
LTC3892E, LTC3892I, LTC3892E-1,
LTC3892I-1......................................... –40°C to 125°C
LTC3892H, LTC3892H-1..................... –40°C to 150°C
LTC3892MP, LTC3892MP-1................ –55°C to 150°C
Storage Temperature Range................... –65°C to 150°C
Pin Configuration
LTC3892
TOP VIEW
32 31 30 29 28 27 26 25
FREQ 1
24 BOOST1
PLLIN/MODE 2
23 BG1
PGOOD1 3
PGOOD2 4
INTV_CC 5
RUN1 6
22 V_IN
33
21 EXTV_CC
GND
20 DRV_CC
19 BG2
RUN2 7
18 BOOST2
ILIM 8
17 SW2
9 10 11 12 13 14 15 16
UH PACKAGE
32-LEAD (5mm × 5mm) PLASTIC QFN
T_JMAX = 150°C, θ_JA = 44°C/W
EXPOSED PAD (PIN 33) IS GND, MUST BE CONNECTED TO GND
LTC3892-1
TOP VIEW
ITH1 1
28 TRACK/SS1
V_FB1 2
SENSE1⁺ 3
SENSE1^– 4
27 TG1
26 SW1
25 BOOST1
FREQ 5
24 BG1
PLLIN/MODE 6
23 V_IN
INTV_CC 7
29
22 EXTV_CC
RUN1 8
GND
21 DRV_CC
RUN2 9
SENSE2^– 10
SENSE2⁺ 11
20 BG2
19 BOOST2
18 SW2
V_FB2 12
ITH2 13
17 TG2
16 TRACK/SS2
DRVUV 14
15 DRVSET
FE PACKAGE
28-LEAD PLASTIC TSSOP
T_JMAX = 150°C, θ_JA = 30°C/W
EXPOSED PAD (PIN 29) IS GND, MUST BE CONNECTED TO GND
38921f
2
For more information www.linear.com/LTC3892