LTC3735 LINER [Linear Technology], LTC3735 Datasheet - Page 2

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LTC3735

Manufacturer Part Number
LTC3735
Description
2-Phase, High Efficiency DC/DC Controller for Intel Mobile CPUs
Manufacturer
LINER [Linear Technology]
Datasheet

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ABSOLUTE MAXIMUM RATINGS
LTC3735
Input Supply Voltage (PV
Topside Driver Voltages (BOOST1,2) ......... 38V to –0.3V
Switch Voltage (SW1, 2) ............................... 32V to –5V
Boosted Driver Voltages
DPRSLPVR, STP_CPUB, MCH_PG, PGOOD,
RDPRSLP, RDPSLP, RBOOT Voltages ......... 5V to –0.3V
RUN/SS, PSIB, FREQSET Voltages .............7V to – 0.3V
VID0-VID5 Voltages ....................................5V to – 0.3V
V
V
PIN CONFIGURATION
ORDER INFORMATION
LEAD FREE FINISH
LTC3735EG#PBF
LTC3735EUHF#PBF
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:
For more information on tape and reel specifications, go to:
2
FB
OA
(BOOST1-SW1, BOOST2-SW2) ............... 7V to –0.3V
, Voltage ................................................ 2V to –0.3V
+
, V
OA
............................................... 3.6V to –0.3V
DPRSLPVR
STP_CPUB
RDPRSLP
FREQSET
SENSE1
SENSE1
SENSE2
SENSE2
RDPSLP
RUN/SS
OAOUT
RBOOT
SGND
V
V
PSIB
OA
OA
V
I
TH
FB
T
+
+
+
JMAX
TAPE AND REEL
LTC3735EG#TRPBF
LTC3735EUHF#TRPBF
36-LEAD PLASTIC SSOP
10
11
12
13
14
15
16
17
18
1
2
3
4
5
6
7
8
9
= 125°C, θ
CC
G PACKAGE
TOP VIEW
) ....................... 7V to – 0.3V
JA
= 85°C/W
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
MCH_PG
PGOOD
BOOST1
TG1
SW1
BOOST2
TG2
SW2
PV
BG1
PGND
BG2
VID5
VID4
VID3
VID2
VID1
VID0
CC
http://www.linear.com/leadfree/
PART MARKING*
LTC3735
LTC3735
http://www.linear.com/tapeandreel/
(Note 1)
Peak Gate Drive Current <1µs
(TG1, TG2, BG1, BG2) .................................................5A
Operating Ambient Temperature Range
(Note 2) ................................................... –40°C to 85°C
Junction Temperature (Note 3) ............................. 125°C
Storage Temperature Range
QFN Reflow Peak Body Temperature .................... 260°C
Lead Temperature (Soldering, 10 sec) .................. 300°C
EXPOSED PAD (PIN 39) IS SIGNAL GROUND, MUST BE CONNECTED TO PCB AND SGND
SSOP ................................................. –65°C to 150°C
QFN .................................................... –65°C to 125°C
PACKAGE DESCRIPTION
36-Lead Plastic SSOP
38-Lead (7mm × 5mm) Plastic QFN
STP_CPUB
RDPRSLP
FREQSET
SENSE1
SENSE1
SENSE2
SENSE2
OAOUT
SGND
PSIB
V
V
OA
OA
+
+
+
10
11
12
1
2
3
4
5
6
7
8
9
38-LEAD (7mm × 5mm) PLASTIC QFN
T
JMAX
38 37 36 35 34 33 32
13 14 15 16
= 125°C, θ
UHF PACKAGE
TOP VIEW
39
JA
17 18 19
= 34°C/W
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 85°C
31
30
29
28
27
26
25
24
23
22
21
20
NC
BOOST2
TG2
SW2
PV
BG1
PGND
BG2
VID5
VID4
VID3
VID2
CC
3735fa

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