参数资料
型号: LTC3876EFE#PBF
厂商: Linear Technology
文件页数: 2/48页
文件大小: 0K
描述: IC CTLR DC/DC DDR DUAL 38-TSSOP
产品培训模块: LTC3876 Dual DC/DC Controller
标准包装: 50
应用: 控制器,DDR,DDR2,DDR3
输入电压: 4.5 V ~ 38 V
输出数: 2
输出电压: 可调
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 38-TFSOP (0.173",4.40mm 宽)裸露焊盘
供应商设备封装: 38-TSSOP 裸露焊盘
包装: 管件

LTC3876
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Input Supply Voltage (V IN ) ......................... –0.3V to 40V
BOOST1, BOOST2 Voltages ....................... –0.3V to 46V
SW1, SW2 Voltages ...................................... –5V to 40V
INTV CC , DRV CC1 , DRV CC2 , EXTV CC , PGOOD, RUN,
(BOOST1-SW1), (BOOST2-SW2), MODE/PLLIN
Voltages ....................................................... –0.3V to 6V
V OUTSENSE1+ , V OUTSENSE1– , SENSE1 + , SENSE1 – ,
SENSE2 + , SENSE2 – Voltages ....................... –0.6V to 6V
TRACK/SS1 Voltage ..................................... –0.3V to 5V
DTR1, CVCC, PHASMD, RT, V RNG1 , V RNG2 , VTTSNS,
VDDQSNS, VTTR, ITH1, ITH2
Voltages ................................ ..–0.3V to (INTV CC + 0.3V)
Operating Junction Temperature Range
(Notes 2, 3, 4) ....................................... –40°C to 125°C
Storage Temperature Range .................. –65°C to 150°C
Lead Temperature (Soldering, 10 sec)
FE Package ...................................................... 300°C
PIN CONFIGURATION
TOP VIEW
TOP VIEW
38 37 36 35 34 33 32
CVCC
SENSE2 –
SENSE2 +
PHASMD
1
2
3
4
38 V RNG2
37 VTTSNS
36 BOOST
35 TG2
ITH2 1
VDDQSNS 2
31 TG2
30 SW2
ITH2
VDDQSNS
5
6
34 SW2
33 BG2
VTTR 3
VTTRVCC 4
MODE/PLLIN 5
CLKOUT 6
SGND 7
RT 8
V RNG1 9
ITH1 10
TRACK/SS1 11
V OUTSENSE1+ 12
PGND
39
29 BG2
28 DRV CC2
27 EXTV CC
26 INTV CC
25 PGND
24 V IN
23 DRV CC1
22 BG1
21 SW1
20 TG1
VTTR 7
VTTRVCC 8
MODE/PLLIN 9
CLKOUT 10
SGND 11
RT 12
V RNG1 13
ITH1 14
TRACK/SS1 15
PGND
39
32 DRV CC
31 EXTV CC
30 INTV CC
29 PGND
28 V IN
27 DRV CC1
26 BG1
25 SW1
24 TG1
13 14 15 16 17 18 19
UHF PACKAGE
V OUTSENSE1+ 16
V OUTSENSE1– 17
SENSE1 + 18
SENSE1 – 19
23 BOOST1
22 PGOOD
21 RUN
20 DTR1
38-LEAD (5mm × 7mm) PLASTIC QFN
T JMAX = 125°C, θ JA = 34°C/W
EXPOSED PAD (PIN 39) IS PGND, MUST BE SOLDERED TO PCB PGND
FE PACKAGE
38-LEAD PLASTIC TSSOP
T JMAX = 125°C, θ JA = 28°C/W
EXPOSED PAD (PIN 39) IS PGND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
LTC3876EUHF#PBF
LTC3876IUHF#PBF
LTC3876EFE#PBF
LTC3876IFE#PBF
TAPE AND REEL
LTC3876EUHF#TRPBF
LTC3876IUHF#TRPBF
LTC3876EFE#TRPBF
LTC3876IFE#TRPBF
PART MARKING*
3876
3876
LTC3876FE
LTC3876FE
PACKAGE DESCRIPTION
38-Lead (5mm × 7mm) Plastic QFN
38-Lead (5mm × 7mm) Plastic QFN
38-Lead Plastic TSSOP
38-Lead Plastic TSSOP
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°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/
3876f
2
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