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LTC3850-2 数据表(PDF) 2 Page - Linear Technology

部件名 LTC3850-2
功能描述  Dual, Fast, Accurate Step-Down DC/DC Controller
PDF  54 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LTC3850-2 数据表(HTML) 2 Page - Linear Technology

  LTC3850-2 Datasheet HTML 1Page - Linear Technology LTC3850-2 Datasheet HTML 2Page - Linear Technology LTC3850-2 Datasheet HTML 3Page - Linear Technology LTC3850-2 Datasheet HTML 4Page - Linear Technology LTC3850-2 Datasheet HTML 5Page - Linear Technology LTC3850-2 Datasheet HTML 6Page - Linear Technology LTC3850-2 Datasheet HTML 7Page - Linear Technology LTC3850-2 Datasheet HTML 8Page - Linear Technology LTC3850-2 Datasheet HTML 9Page - Linear Technology Next Button
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LTC3838
2
3838fa
ABSOLUTE MAXIMUM RATINGS
VIN Voltage................................................. –0.3V to 40V
BOOST1, BOOST2 Voltages ....................... –0.3V to 46V
SW1, SW2 Voltages ...................................... –5V to 40V
INTVCC, DRVCC1, DRVCC2, EXTVCC, PGOOD1,
PGOOD2, RUN1, RUN2, (BOOST1-SW1),
(BOOST2-SW2), MODE/PLLIN Voltages ...... –0.3V to 6V
VOUTSENSE1+, VOUTSENSE1–, SENSE1+, SENSE2+,
SENSE1–, SENSE2– Voltages ....................... –0.6V to 6V
(Note 1)
13 14 15 16
TOP VIEW
39
PGND
UHF PACKAGE
38-LEAD (5mm
7mm) PLASTIC QFN
17 18 19
38 37 36 35 34 33 32
24
25
26
27
28
29
30
31
8
7
6
5
4
3
2
1
TRACK/SS2
ITH2
VRNG2
PHASMD
MODE/PLLIN
CLKOUT
SGND
RT
VRNG1
ITH1
TRACK/SS1
VOUTSENSE1+
TG2
SW2
BG2
DRVCC2
EXTVCC
INTVCC
PGND
VIN
DRVCC1
BG1
SW1
TG1
23
22
21
20
9
10
11
12
TJMAX = 125°C, θJA = 34°C/W
EXPOSED PAD (PIN 39) IS PGND, MUST BE SOLDERED TO PCB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
TOP VIEW
FE PACKAGE
38-LEAD PLASTIC TSSOP
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
DTR2
SENSE2–
SENSE2+
VFB2
TRACK/SS2
ITH2
VRNG2
PHASMD
MODE/PLLIN
CLKOUT
SGND
RT
VRNG1
ITH1
TRACK/SS1
VOUTSENSE1+
VOUTSENSE1–
SENSE1+
SENSE1–
RUN2
PGOOD2
BOOST2
TG2
SW2
BG2
DRVCC2
EXTVCC
INTVCC
PGND
VIN
DRVCC1
BG1
SW1
TG1
BOOST1
PGOOD1
RUN1
DTR1
39
PGND
TJMAX = 125°C, θJA = 28°C/W
EXPOSED PAD (PIN 39) IS PGND, MUST BE SOLDERED TO PCB
PIN CONFIGURATION
TRACK/SS1, TRACK/SS2 Voltages .............. –0.3V to 5V
DTR1, DTR2, PHASMD, RT, VRNG1, VRNG2, VFB2,
ITH1, ITH2 Voltages ................ –0.3V to (INTVCC + 0.3V)
Operating Junction Temperature Range
(Note 2, 3, 4).......................................... –40°C to 125°C
Storage Temperature Range .................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec)
FE Package ....................................................... 300°C



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