LTC3829 Datasheet, PDF (2/40 Pages) Linear Technology – 3-Phase, Single Output Synchronous Step-Down DC/DC Controller with Diffamp

LTC3829
Absolute Maximum Ratings (Note 1)
Input Supply Voltage (V_IN).......................... 40V to –0.3V
Topside Driver Voltages (BOOSTn)............. 46V to –0.3V
Switch Voltage (SWn)................................... 40V to –5V
Boosted Driver Voltage (BOOSTn – SWn).... 6V to –0.3V
INTV_CC, PGOOD, RUN, EXTV_CC..................... 6V to –0.3V
ITEMP, IFAST, V_FB Pin Voltages.............. INTV_CC to –0.3V
TK/SS, FREQ, DIFFP, DIFFN, DIFFOUT, ISET
AVP, I_LIM, MODE, PLLIN Voltages.......... INTV_CC to –0.3V
I_TH Voltage............................................. INTV_CC to –0.3V
SENSE⁺n, SENSE^–n................................... 5.7V to –0.3V
Operating Junction Temperature Range
(Notes 2, 3)............................................ –45°C to 125°C
Storage Temperature Range................... –65°C to 125°C
Lead Temperature (Soldering, 10 sec) (FE)........... 300°C
Pin Configuration
TOP VIEW
DIFFN 1
DIFFP 2
RUN 3
AVP 4
SENSE1⁺ 5
SENSE1^– 6
SENSE2⁺ 7
SENSE2^– 8
TK/SS 9
FREQ 10
SENSE3⁺ 11
SENSE3^– 12
38 37 36 35 34 33 32
39
13 14 15 16 17 18 19
31 SW1
30 BG1
29 BG2
28 SW2
27 TG2
26 BOOST2
25 V_IN
24 INTV_CC
23 EXTV_CC
22 BG3
21 SW3
20 TG3
UHF PACKAGE
38-LEAD (5mm s 7mm) PLASTIC QFN
T_JMAX = 125°C, θ_JA = 34°C/W
EXPOSED PAD (PIN 39) IS SGND/PGND, MUST BE SOLDERED TO PCB
ITEMP 1
DIFFOUT 2
DIFFN 3
DIFFP 4
RUN 5
AVP 6
SENSE1⁺ 7
SENSE1^– 8
SENSE2⁺ 9
SENSE2^– 10
TK/SS 11
FREQ 12
SENSE3⁺ 13
SENSE3^– 14
V_FB 15
I_TH 16
ISET 17
I_LIM 18
PGOOD 19
TOP VIEW
39
38 IFAST
27 MODE
36 CLKOUT
35 BOOST1
34 TG1
33 SW1
32 BG1
31 BG2
30 SW2
29 TG2
28 BOOST2
27 V_IN
26 INTV_CC
25 EXTV_CC
24 BG3
23 SW3
22 TG3
21 BOOST3
20 PLLIN
FE PACKAGE
38-LEAD PLASTIC TSSOP
T_JMAX = 125°C, θ_JA = 25°C/W
EXPOSED PAD (PIN 39) IS SGND/PGND, MUST BE SOLDERED TO PCB
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