参数资料
型号: LTC3735EUHF
厂商: Linear Technology
文件页数: 2/32页
文件大小: 0K
描述: IC CTRLR DC/DC 2PH HI EFF 38-QFN
标准包装: 52
应用: 控制器,Intel 移动式 CPU
输出数: 1
输出电压: 0.7 V ~ 1.71 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 38-WFQFN 裸露焊盘
供应商设备封装: 38-QFN(5x7)
包装: 管件
LTC3735
ABSOLUTE MAXIMUM RATINGS (Note 1)
Input Supply Voltage (PV CC ) ....................... 7V to – 0.3V
Topside Driver Voltages (BOOST1,2) ......... 38V to –0.3V
Switch Voltage (SW1, 2) ............................... 32V to –5V
Boosted Driver Voltages
(BOOST1-SW1, BOOST2-SW2) ............... 7V to –0.3V
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 FB , Voltage ................................................ 2V to –0.3V
V OA+ , V OA– ............................................... 3.6V to –0.3V
PIN CONFIGURATION
TOP VIEW
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
SSOP ................................................. –65°C to 150°C
QFN.................................................... –65°C to 125°C
QFN Reflow Peak Body Temperature .................... 260°C
Lead Temperature (Soldering, 10 sec) .................. 300°C
TOP VIEW
V FB
DPRSLPVR
1
2
36 MCH_PG
35 PGOOD
FREQSET
3
34 BOOST1
38 37 36 35 34 33 32
PSIB
V OA+
V OA–
OAOUT
STP_CPUB
4
5
6
7
8
33 TG1
32 SW1
31 BOOST2
30 TG2
29 SW2
FREQSET 1
PSIB 2
V OA+ 3
V OA– 4
OAOUT 5
31 NC
30 BOOST2
29 TG2
28 SW2
27 PV CC
SGND 9
SENSE1 + 10
SENSE1 – 11
SENSE2 + 12
SENSE2 – 13
RDPRSLP 14
RDPSLP 15
RUN/SS 16
28 PV CC
27 BG1
26 PGND
25 BG2
24 VID5
23 VID4
22 VID3
21 VID2
STP_CPUB 6
SGND 7
SENSE1 + 8
SENSE1 – 9
SENSE2 + 10
SENSE2 – 11
RDPRSLP 12
39
13 14 15 16 17 18 19
26 BG1
25 PGND
24 BG2
23 VID5
22 VID4
21 VID3
20 VID2
I TH 17
20 VID1
RBOOT 18 19 VID0
G PACKAGE
36-LEAD PLASTIC SSOP
T JMAX = 125°C, θ JA = 85°C/W
ORDER INFORMATION
UHF PACKAGE
38-LEAD (7mm × 5mm) PLASTIC QFN
T JMAX = 125°C, θ JA = 34°C/W
EXPOSED PAD (PIN 39) IS SIGNAL GROUND, MUST BE CONNECTED TO PCB AND SGND
LEAD FREE FINISH
LTC3735EG#PBF
LTC3735EUHF#PBF
TAPE AND REEL
LTC3735EG#TRPBF
LTC3735EUHF#TRPBF
PART MARKING*
LTC3735
LTC3735
PACKAGE DESCRIPTION
36-Lead Plastic SSOP
38-Lead (7mm × 5mm) Plastic QFN
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 85°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/
3735fa
2
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