参数资料
型号: LTC3853EUJ#PBF
厂商: Linear Technology
文件页数: 2/36页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 40-QFN
产品培训模块: LTC3853 Multiphase Switching Controller
标准包装: 61
系列: PolyPhase®
PWM 型: 电流模式
输出数: 3
频率 - 最大: 830kHz
占空比: 98%
电源电压: 4.5 V ~ 24 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 125°C
封装/外壳: 40-WFQFN 裸露焊盘
包装: 管件
产品目录页面: 1336 (CN2011-ZH PDF)

LTC3853
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Input Supply Voltage (V IN ) ......................... 28V to –0.3V
Topside Driver Voltages
BOOST1, BOOST2, BOOST3 .................. 34V to –0.3V
Switch Voltage (SW1, SW2, SW3) ................ 28V to –5V
INTV CC , RUN1, RUN2, RUN3, PGOOD12, PGOOD3,
DRV CC12 , EXTV CC , (BOOST1-SW1),
(BOOST2-SW2), (BOOST3-SW3) ................. 6V to –0.3V
SENSE1 + , SENSE2 + , SENSE1 – ,
SENSE2 – Voltages..................................... 5.7V to –0.3V
SENSE3 + , SENSE3 – .................................... 14V to –0.3V
V FB2 ........................................................ 300μA Max I FB2
MODE/PLLIN, I LIM ,TK/SS1,
TK/SS2, TK/SS3 Voltages ..................... INTV CC to –0.3V
I TH1 , I TH2 , I TH3 , V FB1 , V FB3 Voltages ...... INTV CC to –0.3V
INTV CC Peak Output Current ................................150mA
Operating Junction Temperature Range
(Note 3).................................................. –40°C to 125°C
Storage Temperature Range................... –65°C to 125°C
PIN CONFIGURATION
TOP VIEW
40 39 38 37 36 35 34 33 32 31
TK/SS2 1
TK/SS3 2
SNSP1 3
SNSN1 4
SNSP2 5
41
SNSN2 6
SNSP3 7
SNSN3 8
V FB1 9
I TH1 10
11 12 13 14 15 16 17 18 19 20
UJ PACKAGE
40-LEAD (6mm × 6mm) PLASTIC QFN
30 BG1
29 DRV CC12
28 BG2
27 SW2
26 TG2
25 BOOST2
24 V IN
23 EXTV CC
22 INTV CC
21 BG3
T JMAX = 125°C, θ JA = 33°C/W
EXPOSED PAD (PIN 41) IS PGND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
LTC3853EUJ#PBF
LTC3853IUJ#PBF
LEAD BASED FINISH
LTC3853EUJ
LTC3853IUJ
TAPE AND REEL
LTC3853EUJ#TRPBF
LTC3853IUJ#TRPBF
TAPE AND REEL
LTC3853EUJ#TR
LTC3853IUJ#TR
PART MARKING*
LTC3853UJ
LTC3853UJ
PART MARKING*
LTC3853UJ
LTC3853UJ
PACKAGE DESCRIPTION
40-Lead (6mm × 6mm) Plastic QFN
40-Lead (6mm × 6mm) Plastic QFN
PACKAGE DESCRIPTION
40-Lead (6mm × 6mm) Plastic QFN
40-Lead (6mm × 6mm) Plastic QFN
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
TEMPERATURE RANGE
–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
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/
3853fa
2
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LTC3853IUJ#PBF 功能描述:IC REG CTRLR BUCK PWM CM 40-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:PolyPhase® 标准包装:4,500 系列:PowerWise® PWM 型:控制器 输出数:1 频率 - 最大:1MHz 占空比:95% 电源电压:2.8 V ~ 5.5 V 降压:是 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 125°C 封装/外壳:6-WDFN 裸露焊盘 包装:带卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名称:LM1771SSDX
LTC3853IUJ#TRPBF 功能描述:IC REG CTRLR BUCK PWM CM 40-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:PolyPhase® 标准包装:4,500 系列:PowerWise® PWM 型:控制器 输出数:1 频率 - 最大:1MHz 占空比:95% 电源电压:2.8 V ~ 5.5 V 降压:是 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 125°C 封装/外壳:6-WDFN 裸露焊盘 包装:带卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名称:LM1771SSDX
LTC3854EDDB#PBF 制造商:Linear Technology 功能描述:DP-SWREG/Controller, Cut Tape Small Footprint, Low Pin Count Synchronous Step-Do
LTC3854EDDB#TRMPBF 功能描述:IC REG CTRLR BUCK PWM CM 12-DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:2,500 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:500kHz 占空比:96% 电源电压:4 V ~ 36 V 降压:无 升压:是 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 125°C 封装/外壳:24-WQFN 裸露焊盘 包装:带卷 (TR)
LTC3854EDDB#TRPBF 功能描述:IC REG CTRLR BUCK PWM CM 12-DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:2,500 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:500kHz 占空比:96% 电源电压:4 V ~ 36 V 降压:无 升压:是 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 125°C 封装/外壳:24-WQFN 裸露焊盘 包装:带卷 (TR)