LTC3733-1 데이터 시트보기 (PDF) - Linear Technology
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LTC3733-1 Datasheet PDF : 32 Pages
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LTC3733/LTC3733-1
ABSOLUTE AXI U RATI GS (Note 1)
Topside Driver Voltages (BOOSTN) ............ 38V to –0.3V
Switch Voltage (SWN)................................... 32V to –5V
Boosted Driver Voltage (BOOSTN – SWN) .... 7V to –0.3V
Peak Output Current <1ms (TGN, BGN) ..................... 5A
Supply Voltage (VCC), PGOOD
Pin Voltages ................................................ 7V to –0.3V
PLLIN, RUN, SS,
PLLFLTR, FCB Voltages ............................. VCC to –0.3V
ITH Voltage ................................................ 2.4V to –0.3V
Operating Ambient Temperature Range ....... 0°C to 70°C
Junction Temperature (Note 2) ............................. 125°C
Storage Temperature Range
LTC3733CG .......................................–65°C to 150°C
LTC3733CUHF-1 ...............................–65°C to 125°C
Lead Temperature (LTC3733CG)
(Soldering, 10 sec) ............................................... 300°C
UW U
PACKAGE/ORDER I FOR ATIO
TOP VIEW
VID1 1
RUN 2
PLLFLTR 3
FCB 4
IN+ 5
IN– 6
DIFFOUT 7
EAIN 8
SGND 9
SENSE1+ 10
SENSE1– 11
SENSE2+ 12
SENSE2– 13
SENSE3– 14
SENSE3+ 15
SS 16
ITH 17
VID2 18
36 VID0
35 PGOOD
34 BOOST1
33 TG1
32 SW1
31 BOOST2
30 TG2
29 SW2
28 VCC
27 BG1
26 PGND
25 BG2
24 BG3
23 SW3
22 TG3
21 BOOST3
20 VID4
19 VID3
G PACKAGE
36-LEAD PLASTIC SSOP
TJMAX = 125°C, θJA = 95°C/W
ORDER PART
NUMBER
LTC3733CG
TOP VIEW
PLLFLTR 1
FCB 2
IN+ 3
IN– 4
DIFFOUT 5
EAIN 6
SGND 7
SENSE1+ 8
SENSE1– 9
SENSE2+ 10
SENSE2– 11
SENSE3– 12
38 37 36 35 34 33 32
39
13 14 15 16 17 18 19
31 SW1
30 BOOST2
29 TG2
28 SW2
27 VCC
26 DRVCC
25 BG1
24 PGND
23 BG2
22 BG3
21 SW3
20 TG3
UHF PACKAGE
38-LEAD (7mm × 5mm) PLASTIC QFN
TJMAX = 125°C, θJA = 34°C/W
EXPOSED PAD IS SGND (PIN 39) MUST BE SOLDERED TO PCB
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ORDER PART
NUMBER
LTC3733CUHF-1
UHF PART
MARKING
37331
ELECTRICAL CHARACTERISTICS The q denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = VRUN = VSS = 5V unless otherwise noted.
SYMBOL
PARAMETER
Main Control Loop
VREGULATED Regulated Voltage at IN+
CONDITIONS
(Note 3); VID Code = 10011, VITH = 1.2V
VSENSEMAX
IMATCH
Maximum Current Sense Threshold
Current Match
VEAIN = 0.5V, VITH Open,
VSENSE1–, VSENSE2–, VSENSE3– = 0.8V, 1.55V
Worst-Case Error at VSENSE(MAX)
MIN TYP MAX UNITS
1.067 1.075 1.083
V
q 1.064 1.075 1.086
V
65
75
85
mV
q 62
75
88
mV
–5
5
%
3733f
2
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