参数资料
型号: LTC3866EFE#TRPBF
厂商: Linear Technology
文件页数: 36/36页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 24TSSOP
标准包装: 2,500
PWM 型: 电流模式
输出数: 1
频率 - 最大: 850kHz
占空比: 95%
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 ~ 125°C
封装/外壳: 24-TSSOP(0.173",4.40mm)裸露焊盘
包装: 带卷 (TR)
LTC3866
TYPICAL APPLICATION
High Efficiency Step-Down Converter with Power Block
EXTV CC
V IN
INTV CC
15
TG
SW
BG
TEMP +
TEMP –
CS –
+ 8
1500pF
220pF
10k
30.1k
20k
0.1μF
1
2
3
4
5
6
ITH
V FB
DIFFOUT
DIFFN
DIFFP
SNSD +
100k
INTV CC
100k
1μF
24 23 22 21 20 19
18
17
16
LTC3866EUF
BOOST
14
13
12
2.2
V IN
4.7μF
CMDSH-3
0.1μF
INTV CC
1
7
5
4
3
2
6
9
13
470μF
V IN1
V IN2
PWMH
PWML
V GATE
GND
GND
GND
GND
V IN
10μF
V OUT1
V OUT2
CS
11
12
15
14
10
V OUT
100μF
10
+
330μF
10
+
330μF
V OUT
1.5V
40A
GND
47nF
25 7
47nF
8
9
10 11
INTV CC
ACBEL POWER BLOCK
VRA001-4C1G
4.75k
3866 TA03
RELATED PARTS
PART NUMBER
LTC3833
LTC3878/LTC3879
LTC3775
LTC3854
DESCRIPTION
Fast Accurate Step-Down DC/DC Controller with
Differential Output Sensing
No R SENSE ? Constant On-Time Synchronous Step-Down
DC/DC Controllers
High Frequency Synchronous Voltage Mode Step-Down
DC/DC Controller
Small Footprint Synchronous Step-Down DC/DC
Controller
COMMENTS
Very Fast Transient Response, t ON(MIN) = 20ns, 4.5V ≤ V IN ≤ 38V,
0.6V ≤ V OUT ≤ 5.5V, TSSOP-20E, 3mm × 4mm QFN-20
Very Fast Transient Response, t ON(MIN) = 43ns, 4V ≤ V IN ≤ 38V,
0.6V ≤ V OUT ≤ 0.9V IN , SSOP-16, MSOP-16E, 3mm × 3mm QFN-16
Very Fast Transient Response, t ON(MIN) = 30ns, 4V ≤ V IN ≤ 38V,
0.6V ≤ V OUT ≤ 0.8V IN , MSOP-16E, 3mm × 3mm QFN-16
Fixed 400kHz Operating Frequency, 4.5V ≤ V IN ≤ 38V,
0.8V ≤ V OUT ≤ 5.25V, 2mm × 3mm QFN-12
LTC3851A/LTC3851A-1 No R SENSE Wide V IN Range Synchronous Step-Down
DC/DC Controllers
PLL Fixed Frequency 250kHz to 750kHz, 4V ≤ V IN ≤ 38V,
0.8V ≤ V OUT ≤ 5.25V, MSOP-16E, 3mm × 3mm QFN-16, SSOP-16
LTC3891
LTC3856
LTC3829
LTC3855
LTC3860
LTC3869/LTC3869-2
60V, Low I Q Synchronous Step-Down DC/DC Controller
2-Phase, Single Output Synchronous Step-Down DC/DC
Controller with Diff Amp and DCR Temp Compensation
3-Phase, Single Output Synchronous Step-Down DC/DC
Controller with Diff Amp and DCR Temp Compensation
2-Phase, Dual Output Synchronous Step-Down DC/DC
Controller with Differential Remote Sense
Dual, Multiphase, Synchronous Step-Down DC/DC
Controller with Diff Amp and Three-State Output Drive
2-Phase, Dual Output Synchronous Step-Down DC/DC
Controllers, with Accurate Multiphase Current Matching
PLL Capable Fixed Frequency 50kHz to 900kHz, 4V ≤ V IN ≤ 60V,
0.8V ≤ V OUT ≤ 24V, I Q = 50μA
PLL Fixed 250kHz to 770kHz Frequency, 4.5V ≤ V IN ≤ 38V,
0.6V ≤ V OUT ≤ 5.25V
PLL Fixed 250kHz to 770kHz Frequency, 4.5V ≤ V IN ≤ 38V,
0.6V ≤ V OUT ≤ 5.25V
PLL Fixed Frequency 250kHz to 770kHz, 4.5V ≤ V IN ≤ 38V,
0.6V ≤ V OUT ≤ 12.5V
Operates with Power Blocks, DRMOS Devices or External Drivers/
MOSFETs, 3V ≤ V IN ≤ 24V, t ON(MIN) = 20ns
PLL Fixed Frequency 250kHz to 780kHz, 4V ≤ V IN ≤ 30V,
0.6V ≤ V OUT ≤ 12.5V, 4mm × 5mm QFN-28, SSOP-28
LTC3867
Synchronous Step-Down DC/DC Controller with Nonlinear Fast Transient Response, t ON(MIN) = 65ns, 4V ≤ V IN ≤ 38V,
Control and Remote Sense 0.6V ≤ V OUT ≤ 14V, 4mm × 4mm QFN-24
3866fb
1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408)432-1900 ● FAX:(408)434-0507    www.linear.com ●
36 Linear Technology Corporation
LT 1012 REV B ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 2012
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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)
LTC3866IFE#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)
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LTC3866IFE#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)