参数资料
型号: LTC3851AEMSE#PBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: 稳压器
英文描述: SWITCHING REGULATOR, PDSO16
封装: LEAD FREE, PLASTIC, MSOP-16
文件页数: 24/30页
文件大小: 430K
代理商: LTC3851AEMSE#PBF
LTC3851A
30
3851afa
LinearTechnology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 FAX: (408) 434-0507 www.linear.com
LINEAR TECHNOLOGY CORPORATION 2010
LT 0611 REV A PRINTED IN USA
relaTeD parTs
Typical applicaTion
MODE/PLLIN
FREQ/PLLFLTR
RUN
TK/SS
ITH
VFB
SENSE
SENSE+
VIN
TG
BOOST
SW
INTVCC
BG
GND
ILIM
LTC3851A
CSS
0.1F
CB
0.1F
CC2
220pF
CC
470pF
RFREQ
160k
RC
33k
RSENSE
0.01
VOUT
1.8V
5A
1000pF
4.7F
+
COUT
150F
6.3V
×2
PANASONIC SP
CIN
22F
25V
M1A
FDS6982S
M1B
FDS6982S
COUT: PANASONIC EEFUEOG151R
CIN: MARCON THCR70LE1H226ZT
L1: PANASONIC ETQP6F3R3HFA
RSENSE: IRC LR 2010-01-R010F
3851A F13
DB
CMDSH-3
R2
32.4k
1%
R1
25.5k
1%
VIN
4.5V TO 22V
L1
3.3H
+
10
Figure 13. 1.8V/5A Converter from Design Example with Pulse-Skipping Operation
PART NUMBER
DESCRIPTION
COMMENTS
LTC3854
Small Footprint Wide VIN Range Synchronous Step-Down DC/
DC Controller
Fixed 400kHz Operating Frequency, 4.5V≤ VIN ≤ 38V,
0.8V ≤ VOUT ≤ 5.25V, 2mm × 3mm QFN-12
LTC3878
No RSENSE Constant On-Time Synchronous Step-Down DC/
DC Controller
Very Fast Transient Response, tON(MIN) = 43ns, 4V≤ VIN ≤ 38V,
0.8V ≤ VOUT ≤ 0.9VIN, SSOP-16
LTC3879
No RSENSE Constant On-Time Synchronous Step-Down DC/DC
Controller
Very Fast Transient Response, tON(MIN) = 43ns, 4V≤ VIN ≤ 38V,
0.6V ≤ VOUT ≤ 0.9VIN, MSOP-16E, 3mm × 3mm QFN-16
LTC3850/LTC3850-1
LTC3850-2
Dual 2-Phase, High Efficiency Synchronous Step-Down DC/DC
Controllers, RSENSE or DCR Current Sensing and Tracking
Phase-Lockable Fixed Operating Frequency 250kHz to 780kHz,
4V≤ VIN ≤ 30V, 0.8V ≤ VOUT ≤ 5.25V
LTC3853
Triple Output, Multiphase Synchronous Step-Down DC/DC
Controller, RSENSE or DCR Current Sensing and Tracking
Phase-Lockable Fixed Operating Frequency 250kHz to 750kHz,
4V≤ VIN ≤ 24V, VOUT Up to 13.5V
LTC3610
12A, 1MHz, Monolithic Synchronous Step-Down DC/DC
Converter
High Efficiency, Adjustable Constant On-Time, 4V≤ VIN ≤ 24V,
VOUT(MIN) = 0.6V, 9mm × 9mm QFN-64
LTC3611
10A, 1MHz, Monolithic Synchronous Step-Down DC/DC
Converter
High Efficiency, Adjustable Constant On-Time, 4V≤ VIN ≤ 32V,
VOUT(MIN) = 0.6V, 9mm × 9mm QFN-64
LTC3775
High Frequency Synchronous Voltage Mode Step-Down DC/DC
Controller
Synchronizable Fixed Frequency 250kHz to 1MHz,
tON(MIN) = 30ns, 4V ≤ VIN ≤ 38V, 0.6V ≤ VOUT ≤ 0.8VIN,
MSOP-16E, 3mm
× 3mm QFN-16
相关PDF资料
PDF描述
LTC3851EUD-1#PBF 0.05 A SWITCHING CONTROLLER, 530 kHz SWITCHING FREQ-MAX, PQCC16
LTC3851EMSE-1#PBF 0.05 A SWITCHING CONTROLLER, 530 kHz SWITCHING FREQ-MAX, PDSO16
LTC3851IMSE-1#PBF 0.05 A SWITCHING CONTROLLER, 530 kHz SWITCHING FREQ-MAX, PDSO16
LTC3851IMSE#TRPBF 0.05 A SWITCHING CONTROLLER, 790 kHz SWITCHING FREQ-MAX, PDSO16
LTC3851IMSE#PBF 0.05 A SWITCHING CONTROLLER, 790 kHz SWITCHING FREQ-MAX, PDSO16
相关代理商/技术参数
参数描述
LTC3851AEUD#PBF 功能描述:IC REG CTRLR BUCK PWM CM 16-QFN 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)
LTC3851AEUD#TRPBF 功能描述:IC REG CTRLR BUCK PWM CM 16-QFN 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)
LTC3851AEUD-1#PBF 功能描述:IC REG CTRLR BUCK PWM CM 16-QFN 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)
LTC3851AEUD-1#TRPBF 功能描述:IC REG CTRLR BUCK PWM CM 16-QFN 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)
LTC3851AHMSE#PBF 功能描述:IC REG CTRLR BUCK PWM CM 16-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)