參數(shù)資料
型號: LTC3731HUH#TRPBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: 5 A SWITCHING CONTROLLER, 750 kHz SWITCHING FREQ-MAX, PQCC32
封裝: 5 X 5 MM, LEAD FREE, PLASTIC, MO-220WHHD, QFN-32
文件頁數(shù): 12/34頁
文件大小: 427K
代理商: LTC3731HUH#TRPBF
LTC3731H
3731Hfb
absoluTe MaxiMuM raTings
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 Voltages (VCC, VDR), PGOOD
Pin Voltage................................................... 7V to –0.3V
RUN/SS, PLLFLTR, PLLIN, UVADJ,
FCB Voltages ..............................................VCC to –0.3V
(Note 1)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
TOP VIEW
G PACKAGE
36-LEAD PLASTIC SSOP
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
VCC
PLLIN
PLLFLTR
FCB
NC
EAIN
SGND
SENSE1+
SENSE1
SENSE2+
SENSE2
SENSE3
SENSE3+
RUN/SS
ITH
UVADJ
CLKOUT
PGOOD
BOOST1
TG1
SW1
BOOST2
TG2
SW2
VDR
BG1
PGND
BG2
BG3
SW3
TG3
BOOST3
PHASMD
SGND
TJMAX = 140°C, θJA = 70°C/W, θJC = 25°C/W
PINS 5 AND 6 CAN BE GROUNDED OR NC
PIN 7 MUST BE LEFT AS NC
32
33
SGND
31 30 29 28 27 26 25
9 10 11 12
TOP VIEW
UH PACKAGE
32-LEAD (5mm 5mm) PLASTIC QFN
13 14 15 16
17
18
19
20
21
22
23
24
8
7
6
5
4
3
2
1
NC
EAIN
SENSE1+
SENSE1
SENSE2+
SENSE2
SENSE3
BOOST2
TG2
SW2
VCC
BG1
PGND
BG2
BG3
NC
FCB
PLLFL
TR
PLLIN
CLKOUT
BOOST1
TG1
SW1
SENSE3
+
RUN/SS
I TH
UVADJ
PHASMD/PG
BOOST3
TG3
SW3
TJMAX = 125°C, θJA = 34°C/W, θJC = 3°C/W
EXPOSED PAD (PIN 33) IS SGND, MUST BE SOLDERED TO PCB
PINS 1, 2 AND 32 MUST BE LEFT AS NC
pin conFiguraTion
orDer inForMaTion
LEAD FREE FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3731HG#PBF
LTC3731HG#TRPBF
LTC3731HG
36-Lead Plastic SSOP
–40°C to 140°C
LTC3731HUH#PBF
LTC3731HUH#TRPBF
3731
32-Lead (5mm
× 5mm) Plastic QFN
–40°C to 140°C
Consult LTC Marketing for parts specified with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
SENSE+, SENSEVoltages ........................ 5.5V to –0.3V
ITH Voltage ............................................... 2.4V to –0.3V
Operating Junction
Temperature Range (Note 2).................. –40°C to 140°C
Storage Temperature Range .................. –65°C to 150°C
Lead Temperature G Package (Soldering, 10sec)..300°C
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