参数资料
型号: LTC3865IUH#PBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: 稳压器
英文描述: DUAL SWITCHING CONTROLLER, 880 kHz SWITCHING FREQ-MAX, PQCC32
封装: 5 X 5 MM, LEAD FREE, PLASTIC, MO-220WHHD, QFN-32
文件页数: 32/38页
文件大小: 400K
代理商: LTC3865IUH#PBF
LTC3865/LTC3865-1
38
3865fb
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 FAX: (408) 434-0507 www.linear.com
LINEAR TECHNOLOGY CORPORATION 2010
LT 0810 REV B PRINTED IN USA
RELATED PARTS
PART NUMBER
DESCRIPTION
COMMENTS
LTC3850/LTC3850-1
LTC3850-2
Dual 2-Phase, High Efciency Synchronous Step-Down DC/DC
Controllers, RSENSE or DCR Current Sensing and Tracking
Phase-Lockable Fixed 250kHz to 780kHz Frequency,
4V ≤ VIN ≤ 30V, 0.8V ≤ VOUT ≤ 5.25V
LTC3855
Dual, Multiphase Synchronous Step-Down DC/DC Controller
with Diffamp and DCR Temperature Compensation
Phase-Lockable Fixed 250kHz to 770kHz Frequency,
4.5V ≤ VIN ≤ 38V, tON(MIN) = 90ns
LTC3860
Dual, Multiphase Synchronous Step-Down DC/DC Controller
with Diffamp and Three-State Output Drive
Operates with Power Blocks, DRMOS Devices or External
MOSFETs, 3V ≤ VIN ≤ 24V, tON(MIN) = 20ns
LTC3853
Triple Output, Multiphase Synchronous Step-Down DC/DC
Controller, RSENSE or DCR Current Sensing and Tracking
Phase-Lockable Fixed 250kHz to 750kHz Frequency,
4V ≤ VIN ≤ 24V, VOUT3 Up to 13.5V
LTC3854
Small Footprint Wide VIN Range Synchronous Step-Down
DC/DC Controller, RSENSE or DCR Current Sensing
Fixed 400kHz Operating Frequency 4.5V ≤ VIN ≤ 38V,
0.8V ≤ VOUT ≤ 5.25V, 2mm × 3mm QFN-12, MSOP-12
LTC3878/LTC3879
No RSENSE Constant On-Time Synchronous Step-Down
DC/DC Controller, No RSENSE Required
Very Fast Transient Response, tON(MIN) = 43ns, 4V ≤ VIN ≤ 38V,
0.8V ≤ VOUT ≤ 0.9VIN, SSOP-16, MSOP-16E, 3mm × 3mm QFN-16
LTC3775
High Frequency, Synchronous Voltage Mode Step-Down
DC/DC Controller
Fast Transient Response, tON(MIN) = 30ns, 4V ≤ VIN ≤ 38V,
0.6V ≤ VOUT ≤ 0.8VIN, MSOP-16E, 3mm × 3mm QFN-16
Figure 18. High VIN, 3.6V/10A, 2V/10A Converter With External Sense Resistors Synchronized at 400kHz
TYPICAL APPLICATION
D3
CMDSH-3
D4
CMDSH-3
0.1μF
HAT2266H
L1
2.2μH
PLLIN
400kHz
0.004Ω
HAT2266H
1800pF
100pF
1nF
CIN1
22μF
50V
COUT1
220μF
2
COUT1, COUT2: SANYO 4TPE 220μF
L1: TOKO FDA1055-2R2M
L2: TOKO FD1055-1R2M
49.9k
1%
100Ω
17.8k
1%
10k
1%
VOUT1
3.6V
10A
0.1μF
L2
1.2μH
0.004Ω
2200pF
100pF
COUT2
220μF
2
14.7k
1%
10k
1%
VOUT2
2V
10A
TG1
TG2
BOOST1
BOOST2
SW1
SW2
BG1
BG2
SGND
PGND
FREQ
SENSE1+
SENSE2+
VID21
SENSE1
SENSE2
VOSENSE1
VOSENSE2
ITH1
ITH2
VIN PGOOD
INTVCC
TK/SS1
TK/SS2
VIN
7V TO 36V
3865 F18
EXTVCC
0.1μF
121k
LTC3865
3.3μF
50V
3.3μF
50V
MODE/PLLIN
ILIM
RUN2
RUN1
VID22
VID12
VID11
100Ω
23.2k
1%
4.7μF
CIN2
1μF
2.2Ω
+
相关PDF资料
PDF描述
LM2575HVS-12EP 3.2 A SWITCHING REGULATOR, 63 kHz SWITCHING FREQ-MAX, PSSO5
LTC3872ETS8#PBF SWITCHING CONTROLLER, 650 kHz SWITCHING FREQ-MAX, PDSO8
LTC3850EGN 0.1 A DUAL SWITCHING CONTROLLER, 860 kHz SWITCHING FREQ-MAX, PDSO28
LT1933HS6#TR 1.05 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, PDSO6
LC016AJ 2-OUTPUT 16 W DC-DC REG PWR SUPPLY MODULE
相关代理商/技术参数
参数描述
LTC3866EFE#PBF 功能描述:IC REG CTRLR BUCK PWM CM 24TSSOP 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:2,000 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:1MHz 占空比:50% 电源电压:9 V ~ 10 V 降压:无 升压:是 回扫:是 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 85°C 封装/外壳:8-TSSOP(0.173",4.40mm 宽) 包装:带卷 (TR)
LTC3866EFE#PBF 制造商:Linear Technology 功能描述:BUCK REGULATOR CURRENT MODE SYNC TSSOP
LTC3866EFE#TRPBF 功能描述:IC REG CTRLR BUCK PWM CM 24TSSOP 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)
LTC3866EUF#PBF 功能描述:IC REG CTRLR BUCK PWM CM 24-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)
LTC3866EUF#TRPBF 功能描述:IC REG CTRLR BUCK PWM CM 24-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)