参数资料
型号: LTC3854EDDB#TRPBF
厂商: Linear Technology
文件页数: 2/28页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 12-DFN
标准包装: 2,500
PWM 型: 电流模式
输出数: 1
频率 - 最大: 440kHz
占空比: 98%
电源电压: 4.5 V ~ 38 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 12-WFDFN 裸露焊盘
包装: 带卷 (TR)
LTC3854
ABSOLUTE MAXIMUM RATINGS
(Note 1)
Input Supply Voltage (V IN ) ........................ 40V to –0.3V
Top Side Driver Voltage (BOOST)............... 46V to –0.3V
Switch Voltage (SW) .................................. 40V to –5.0V
INTV CC , BOOST-SW .................................... 6V to –0.3V
SENSE + , SENSE – ......................................... 6V to –0.3V
RUN/SS........................................................ 6V to –0.3V
PIN CONFIGURATION
ITH, FB Voltages ....................................... 2.7V to –0.3V
INTV CC Peak Output Current (Note 8) ....................40mA
Operating Temperature Range
(Notes 2, 3) .......................................... –40°C to 85°C
Maximum Junction Temperature ...................... 125°C
Storage Temperature Range .................. –65°C to 125°C
FB 1
ITH 2
RUN/SS 3
BOOST 4
TG 5
SW 6
TOP VIEW
13
12 SENSE +
11 SENSE –
10 V IN
9 INTV CC
8 BG
7 GND
FB
ITH
RUN/SS
BOOST
TG
SW
1
2
3
4
5
6
TOP VIEW
13
12
11
10
9
8
7
SENSE +
SENSE –
V IN
INTV CC
BG
GND
DDB PACKAGE
12-LEAD (3mm × 2mm) PLASTIC DFN
T JMAX = 125°C, θ JA = 76°C/W, θ JC = 10°C/W
EXPOSED PAD (PIN 13) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
MSE PACKAGE
12-LEAD PLASTIC MSOP
T JMAX = 125°C, θ JA = 40°C/W, θ JC = 16°C/W
EXPOSED PAD (PIN 13) IS GND, MUST BE SOLDERED TO PCB
LEAD FREE FINISH
LTC3854EDDB#PBF
LTC3854IDDB#PBF
LTC3854EMSE#PBF
LTC3854IMSE#PBF
TAPE AND REEL
LTC3854EDDB#TRPBF
LTC3854IDDB#TRPBF
LTC3854EMSE#TRPBF
LTC3854IMSE#TRPBF
PART MARKING *
LDPC
LDPC
3854
3854
PACKAGE DESCRIPTION
12-Lead (3mm × 2mm) Plastic DFN
12-Lead (3mm × 2mm) Plastic DFN
12-Lead Plastic MSOP
12-Lead Plastic MSOP
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 85°C
–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/
3854fb
2
相关PDF资料
PDF描述
LTC3854EDDB#TRMPBF IC REG CTRLR BUCK PWM CM 12-DFN
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相关代理商/技术参数
参数描述
LTC3854EMSE#PBF 功能描述:IC REG CTRLR BUCK PWM CM 12-MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 特色产品:LM3753/54 Scalable 2-Phase Synchronous Buck Controllers 标准包装:1 系列:PowerWise® PWM 型:电压模式 输出数:1 频率 - 最大:1MHz 占空比:81% 电源电压:4.5 V ~ 18 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:-5°C ~ 125°C 封装/外壳:32-WFQFN 裸露焊盘 包装:Digi-Reel® 产品目录页面:1303 (CN2011-ZH PDF) 其它名称:LM3754SQDKR
LTC3854EMSE#TRPBF 功能描述:IC REG CTRLR BUCK PWM CM 12-MSOP 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)
LTC3854IDDB#PBF 制造商:Linear Technology 功能描述:DP-SWREG/Controller, Cut Tape Small Footprint, Low Pin Count Synchronous Step-Do
LTC3854IDDB#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)
LTC3854IDDB#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)