LTC3735EUHF Linear Technology, LTC3735EUHF Datasheet - Page 2

• Manufacturer Part Number: LTC3735EUHF
• Description: IC CTRLR DC/DC 2PH HI EFF 38-QFN
• Manufacturer: Linear Technology

Specifications of LTC3735EUHF

• Applications: Controller, Intel Mobile CPU
• Number Of Outputs: 1
• Voltage - Output: 0.7 ~ 1.71 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 38-QFN
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Voltage - Input: -

PACKAGE/ORDER I FOR ATIO
Consult LTC Marketing for parts specified with wider operating temperature ranges.
LTC3735
ABSOLUTE AXI U RATI GS
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
2
DPRSLPVR
STP_CPUB
FB
OA
RDPRSLP
FREQSET
SENSE1
SENSE1
SENSE2
SENSE2
(BOOST1-SW1, BOOST2-SW2) ...............7V to – 0.3V
RDPSLP
RUN/SS
, Voltage ................................................ 2V to – 0.3V
OAOUT
RBOOT
+
SGND
, V
PSIB
V
V
V
OA
OA
I
TH
FB
+
–
+
–
+
–
OA
T
JMAX
36-LEAD PLASTIC SSOP
10
11
12
13
14
15
16
17
18
–
1
2
3
4
5
6
7
8
9
................................................3.6V to – 0.3V
= 125°C, θ
G PACKAGE
TOP VIEW
W
JA
= 85°C/W
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
CC
MCH_PG
PGOOD
BOOST1
TG1
SW1
BOOST2
TG2
SW2
PV
BG1
PGND
BG2
VID5
VID4
VID3
VID2
VID1
VID0
W W
CC
) ....................... 7V to – 0.3V
U
ORDER PART
LTC3735EG
NUMBER
W
U
(Note 1)
U
STP_CPUB
RDPRSLP
FREQSET
SENSE1
SENSE1
SENSE2
SENSE2
OAOUT
SGND
PSIB
V
V
OA
OA
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
10
11
12
MUST BE CONNECTED TO PCB AND SGND
1
2
3
4
5
6
7
8
9
SSOP ................................................ – 65°C to 150°C
QFN .................................................. – 65°C to 125°C
38-LEAD (7mm × 5mm) PLASTIC QFN
38 37 36 35 34 33 32
13 14 15 16
T
JMAX
= 125°C, θ
UHF PACKAGE
TOP VIEW
39
JA
17 18 19
= 34°C/W
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
LTC3735EUHF
ORDER PART
NUMBER
3735f