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LTC3770EG 数据表(PDF) 2 Page - Linear Technology

部件名 LTC3770EG
功能描述  Synchronous Controller with Margining, Tracking and PLL
PDF  24 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LTC3770EG 数据表(HTML) 2 Page - Linear Technology

  LTC3770EG Datasheet HTML 1Page - Linear Technology LTC3770EG Datasheet HTML 2Page - Linear Technology LTC3770EG Datasheet HTML 3Page - Linear Technology LTC3770EG Datasheet HTML 4Page - Linear Technology LTC3770EG Datasheet HTML 5Page - Linear Technology LTC3770EG Datasheet HTML 6Page - Linear Technology LTC3770EG Datasheet HTML 7Page - Linear Technology LTC3770EG Datasheet HTML 8Page - Linear Technology LTC3770EG Datasheet HTML 9Page - Linear Technology Next Button
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2
LTC3770
3770f
32 31 30 29 28 27 26 25
9
10 11 12
TOP VIEW
UH PACKAGE
32-LEAD (5mm × 5mm) PLASTIC QFN
13
33
14 15 16
17
18
19
20
21
22
23
24
8
7
6
5
4
3
2
1
VRNG
VFB
ITH
SGND
MARGIN1
MARGIN0
ION
VREFIN
SENSE+
SENSE–
PGND
BG
DRVCC
INTVCC
Z2
Z1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
TOP VIEW
G PACKAGE
28-LEAD PLASTIC SSOP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
RUN
VON
PGOOD
VRNG
VFB
ITH
SGND
MARGIN1
MARGIN0
ION
VREFIN
VREFOUT
MPGM
TRACK/SS
FCB
Z0
BOOST
TG
SW
PGND
BG
INTVCC
Z2
Z1
ZVIN
VIN
PLLIN
PLLFLTR
Input Supply Voltage (VIN, VINSNS) ............32V to –0.3V
Boosted Topside Driver Supply Voltage
(BOOST) ................................................38V to – 0.3V
SENSE+, SW Voltage ....................................32V to – 5V
DRVCC, (BOOST – SW) Voltages .................7V to –0.3V
VON, VRNG, PGOOD Voltages .... INTVCC + 0.3V to –0.3V
PLLFLTR, ITH, VFB, VREFIN Voltages ..........2.7V to –0.3V
TRACK/SS, FCB, Z0, Z1, Z2, RUN, PLLIN, MARGIN0,
MARGIN1 Voltages ............... INTVCC + 0.3V to –0.3V
ABSOLUTE
AXI U
RATI GS
PACKAGE/ORDER I FOR ATIO
ORDER PART
NUMBER
LTC3770EG
G PART
MARKING
LTC3770EG
TJMAX = 125°C, θJA = 130°C/ W
Consult LTC Marketing for parts specified with wider operating temperature ranges.
(Note 1)
INTVCC, ZVIN Voltages .................................7V to –0.3V
TG, BG, INTVCC Peak Currents................................... 4A
TG, BG, INTVCC RMS Currents ............................. 50mA
Operating Ambient Temperature
Range (Note 4) ................................... – 40°C to 85°C
Junction Temperature (Note 2) ............................. 125°C
Storage Temperature Range ................. – 65°C to 125°C
QFN Reflow Peak Body Temperature .................... 245°C
Lead Temperature (Soldering, 10 sec).................. 300°C
ORDER PART
NUMBER
LTC3770EUH
UH PART
MARKING
3770
TJMAX = 125°C, θJA = 34°C/ W
EXPOSED PAD IS SGND (PIN 33)
MUST BE SOLDERED TO THE PCB



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