参数资料
型号: LTC3853EUJ
厂商: LINEAR TECHNOLOGY CORP
元件分类: 稳压器
英文描述: 0.15 A DUAL SWITCHING CONTROLLER, 830 kHz SWITCHING FREQ-MAX, PQCC40
封装: 6 X 6 MM, PLASTIC, QFN-40
文件页数: 30/36页
文件大小: 1780K
代理商: LTC3853EUJ
LTC3853
36
3853fa
LinearTechnology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 FAX: (408) 434-0507 www.linear.com
LINEAR TECHNOLOGY CORPORATION 2008
LT 1210 REV A PRINTED IN USA
RELATED PARTS
PART NUMBER
DESCRIPTION
COMMENTS
LTC3850/LTC3850-1/
LTC3850-2
Dual Output Synchronous Step-Down DC/DC Controller RSENSE
or DCR Current Sensing
Phase Lockable Fixed 250kHz to 780kHz Frequency,
4V ≤ VIN ≤ 30V, 0.8V ≤ VOUT ≤ 5.25V
LTC3860
Dual Output Synchronous Step-Down DC/DC Controller with
Diff Amp, DCR Current Sense, Polyphase and Three-State
Output Drive
Operates with Power Blocks, DRMOS Devices or External
MOSFETs 3V ≤ VIN ≤ 24V, tON(MIN) = 20ns
LTC3855
Dual Output Synchronous Step-Down DC/DC Controller with
Diff Amp, Polyphase and DCR Temperature Compensation
Phase Lockable Fixed Frequency 250kHz to 770kHz,
4.5V ≤ VIN ≤ 38V, 0.8V ≤ VOUT ≤ 12V
LTC3829
3-Phase, Single Output Synchronous Step-Down DC/DC
Controller with Diff Amp, Polyphase and DCR Temperature
Compensation
Phase Lockable Fixed 250kHz to 770kHz Frequency,
4.5V ≤ VIN ≤ 38V, 0.8V ≤ VOUT ≤ 5V
LTC3856
2-Phase, Single Output Synchronous Step-Down DC/DC
Controller with Diff Amp, Polyphase and DCR Temperature
Compensation
Phase Lockable Fixed Frequency 250kHz to 770kHz,
4.5V ≤ VIN ≤ 38V, 0.8V ≤ VOUT ≤ 5V
LTC3851A/LTC3851A-1 Single Output Synchronous Step-Down DC/DC Controller
RSENSE or DCR Current Sensing
Phase Lockable Fixed Operating Frequency 250kHz to 750kHz,
4V ≤ VIN ≤ 38V, 0.8V ≤ VOUT ≤ 5.25V, MSOP-16E 3mm × 3mm
QFN-16, SSOP-16
TG1
TG2
BOOST1,2,3
SW1
SW2
BG1
BG2
SENSE1+
SENSE2+
SENSE1
SENSE2
VFB1
VFB2
VFB3
ITH1
ITH2
ITH3
VIN
INTVCC
DRVCC12
LTC3853
MODE/PLLIN
20k
1%
FREQ/PLLFLTR
ILIM
PGND
PGOOD12
SGND
TK/SS1
SENSE3
SENSE3+
SW3
TG3
BG3
RUN1
RUN2
RUN3
PGOOD3
EXTVCC
100*
2.55k
4.7F
10k
INTVCC
VOUT1
2.5V
40A
VOUT1
0.002
5%
VOUT1
VIN
6.5V TO 14V
CITH1
RITH1
1000pF*
660F
4V
×3
RITH1 = 3.9k, CITH1 = 10nF, CP1 = 470pF 3
SHORT TK/SS1, TK/SS2 AND TK/SS3 TOGETHER
CP1
180F
16V
CSS1
0.33F
1000pF
1000pF*
100*
0.78H
CB1,2,3 0.1F
SW1,2,3
DB1,2,3
100*
+
3853 TA05
100*
43.2k
1%
0.002
5%
47pF
0.002
5%
*THESE FILTER COMPONENTS NEED TO BE CLOSE TO THE IC
TYPICAL APPLICATION
Three Phase 2.5V Output High Current Step-Down Converter with RSENSE
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相关代理商/技术参数
参数描述
LTC3853EUJ#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® 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
LTC3853EUJ#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® 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
LTC3853EUJPBF 制造商:Linear Technology 功能描述:DC-DC Controller Triple Buck 24V QFN40
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