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LTM4677 Datasheet(PDF) 5 Page - Analog Devices

Part # LTM4677
Description  Dual Loop 8-Phase Step-Down DC/DC Controller with Digital Power System Management
PDF  110 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LTM4677 Datasheet(HTML) 5 Page - Analog Devices

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LTC3888-1
5
Rev. 0
For more information www.analog.com
PIN CONFIGURATION
ABSOLUTE MAXIMUM RATINGS
VIN Supply Voltage..................................... –0.3V to 40V
VSENSEn+, DAOUTn .................................... –0.3V to 4.2V
VSENSEn– ................................................... –0.3V to 0.3V
ISENSEn, VFBn............................................. –0.3V to 3.6V
TSNS
n, VDR_MON ................................... –0.3V to 6.0V
SYNC, FAULTn, PGOODn, CLKOUT,
SHARE_CLK.............................................. –0.3V to 3.6V
SCL, SDA, RUN
n, ALERT........................... –0.3V to 5.5V
INTVCC...............................................................(Note 4)
VDD33.................................................................(Note 5)
IREF, PWM
n....................................................... (Note 6)
VDD25, ITHn, ITHRn, RSET, ASELn,
ILIM
n_CFG, PWM_CFG......................................(Note 7)
Operating Junction Temperature Range
(Notes 2, 3).......................................... –40°C to 125°C*
Storage Temperature Range ................ –65°C to 150°C*
*See Derating EEPROM Retention at Temperature in the
Applications Information section for junction tempera-
tures in excess of 125°C.
(Note 1)
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3888EUHG-1#PBF
LTC3888EUHG-1#TRPBF
38881
52-Lead (5mm × 8mm) Plastic QFN
–40°C to 125°C
LTC3888IUHG-1#PBF
LTC3888IUHG-1#TRPBF
38881
52-Lead (5mm × 8mm) Plastic QFN
–40°C to 125°C
AUTOMOTIVE PRODUCTS**
LTC3888IUHG-1#WPBF
LTC3888IUHG-1#WTRPBF
38881
52-Lead (5mm × 8mm) Plastic QFN
–40°C to 125°C
Contact the factory for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Tape and reel specifications. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix.
**Versions of this part are available with controlled manufacturing to support the quality and reliability requirements of automotive applications. These
models are designated with a #W suffix. Only the automotive grade products shown are available for use in automotive applications. Contact your
local Analog Devices account representative for specific product ordering information and to obtain the specific Automotive Reliability reports for
these models.
51
52
50 49 48 47 46 45 44
18 19 20 21 22
TOP VIEW
53
GND
UHG PACKAGE
52-LEAD (5mm
× 8mm) PLASTIC QFN
TJMAX = 125°C, θJA = 36°C/W, θJC = 3.8°C/W
EXPOSED PAD (PIN 53) IS GND, MUST BE SOLDERED TO PCB
23 24 25 26
35
36
37
38
39
40
41
42
9
8
7
6
5
4
3
2
PWM3
PWM2
ISENSE2
ISENSE0
PWM0
VSENSE0–
VSENSE0+
TSNS0/VDR_MON
ITHO
ITHRO
DAOUT0
VFB0
PGOOD0/CLKOUT
SYNC
SCL
SDA
ALERT
ISENSE1
PWM1
VSENSE1–
VSENSE1+
TSNS1
ITH1
ITHR1
DAOUT1
VFB1
PGOOD1
IREF
VIN
INTVCC
VDD33
SHARE_CLK
VDD25
PWM_CFG
34
28
29
30
31
32
33
27
43
10
1
16
15
14
13
12
11
17



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