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LTC3890-2 Datasheet(PDF) 2 Page - Linear Technology

Part # LTC3890-2
Description  60V Low IQ, Dual, 2-Phase Synchronous Step-Down DC/DC Controller
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3890-2 Datasheet(HTML) 2 Page - Linear Technology

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LTC3890-2
2
38902f
PIN CONFIGURATION
ABSOLUTE MAXIMUM RATINGS
(Note 1)
32 31 30 29 28 27 26 25
9
10 11 12 13 14 15 16
17
18
19
20
21
22
23
24
8
7
6
5
4
3
2
1
TOP VIEW
SENSE1
FREQ
PHASMD
CLKOUT
PLLIN/MODE
SGND
RUN1
RUN2
BOOST1
BG1
VIN
PGND
EXTVCC
INTVCC
BG2
BOOST2
UH PACKAGE
32-LEAD (5mm × 5mm) PLASTIC QFN
33
SGND
TJMAX = 150°C, θJA = 34°C/W
EXPOSED PAD (PIN 33) IS SGND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3890EUH-2#PBF
LTC3890EUH-2#TRPBF
38902
32-Lead (5mm × 5mm) Plastic QFN
–40°C to 125°C
LTC3890IUH-2#PBF
LTC3890IUH-2#TRPBF
38902
32-Lead (5mm × 5mm) Plastic QFN
–40°C to 125°C
LTC3890HUH-2#PBF
LTC3890HUH-2#TRPBF
38902
32-Lead (5mm × 5mm) Plastic QFN
–40°C to 150°C
LTC3890MPUH-2#PBF
LTC3890MPUH-2#TRPBF
38902
32-Lead (5mm × 5mm) Plastic QFN
–55°C to 150°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
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/
Input Supply Voltage (VIN)......................... –0.3V to 65V
Topside Driver Voltages
BOOST1, BOOST2 .................................–0.3V to 71V
Switch Voltage (SW1, SW2) ......................... –5V to 65V
(BOOST1-SW1), (BOOST2-SW2) ................ –0.3V to 6V
RUN1, RUN2 ............................................... –0.3V to 8V
Maximum Current Sourced into Pin from
Source > 8V .....................................................100μA
SENSE1+, SENSE2+, SENSE1
SENSE2Voltages ..................................... –0.3V to 28V
PLLIN/MODE, INTVCC Voltage ..................... –0.3V to 6V
FREQ Voltage ........................................ –0.3V to INTVCC
ILIM, PHASMD Voltages .......................–0.3V to INTVCC
EXTVCC ..................................................... –0.3V to 14V
ITH1, ITH2, VFB1, VFB2 Voltages................... –0.3V to 6V
PGOOD1, PGOOD2 Voltages ....................... –0.3V to 6V
TRACK/SS1, TRACK/SS2 Voltages ............. –0.3V to 6V
Operating Junction Temperature Range (Notes 2, 3)
LTC3890E-2, LTC3890I-2................... –40°C to 125°C
LTC3890H-2 ...................................... –40°C to 150°C
LTC3890MP-2.................................... –55°C to 150°C
Storage Temperature Range .................. –65°C to 150°C


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