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参数资料
| 型号： | LT1945IMS#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 8/8页 |
| 文件大小： | 0K |
| 描述： | IC REG MULTI CONFIG ADJ 10MSOP |
| 标准包装： | 2,500 |
| 类型： | 升压（升压），反相，回扫，Sepic |
| 输出类型： | 可调式 |
| 输出数： | 2 |
| 输出电压： | 1.23 V ~ 36 V |
| 输入电压： | 1.2 V ~ 15 V |
| 电流 - 输出： | 350mA |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 10-MSOP |
LT1945
TYPICAL APPLICATIONS
Dual Output (±32V) Converter
Ef?ciency at VIN = 3.6V
V IN
2.7V
TO 5V
8
V IN
L1
10μH
C4
0.1μF
10
SW1
D1
100pF
604k
–32V
5mA
80
75
70
+32V OUTPUT
–32V OUTPUT
2
SHDN1
NFB1
1
C1
4.7μF
LT1945
D2
C2
1μF
65
4
SHDN2
FB2
5
24.9k
60
GND PGND PGND SW2
3
7
9
6
55
80.6k
50
L2
10μH
4.7pF
D3
2M
C3
1μF
32V
0.1
1
LOAD CURRENT (mA)
10
1945 TA02a
5mA
C1: TAIYO YUDEN JMK212BJ475
C2, C3: TAIYO YUDEN GMK316BJ105
C4: TAIYO YUDEN UMK212BJ104
D1, D2, D3: ZETEX ZHCS400
L1, L2: MURATA LQH3C100
(408)573-4150
(408)573-4150
(408)573-4150
(631)543-7100
(814)237-1431
1945 TA02
RELATED PARTS
PART NUMBER
DESCRIPTION
COMMENTS
LT1613
550mA I SW , 1.4MHz, High Ef?ciency Step-Up DC/DC Converter V IN = 0.9V to 10V, V OUT = 34V, I Q = 3mA, I SD = <1μA,
ThinSOT Package
LT1615/LT1615-1
LT1940
LT1944
LT1944-1
LT1949/LT1949-1
300mA I SW , Constant Off-Time, High Ef?ciency
Step-Up DC/DC Converter
Dual Output 1.4A (I OUT ), Constant 1.1MHz, High Ef?ciency
Step-Down DC/DC Converter
Dual Output 350mA I SW , Constant Off-Time, High Ef?ciency
Step-Up DC/DC Converter
Dual Output 150mA I SW , Constant Off-Time, High Ef?ciency
Step-Up DC/DC Converter
550mA I SW , 600kHz/1.1MHz, High Ef?ciency
V IN = 1.2V to 15V, V OUT = 34V, I Q = 20μA, I SD = <1μA,
ThinSOT Package
V IN = 3V to 25V, V OUT = 1.2V, I Q = 2.5mA, I SD = <1μA,
TSSOP-16E Package
V IN = 1.2V to 15V, V OUT = 34V, I Q = 20μA, I SD = <1μA, MS Package
V IN = 1.2V to 15V, V OUT = 34V, I Q = 20μA, I SD = <1μA, MS Package
V IN = 1.5V to 12V, V OUT = 28V, I Q = 4.5mA, I SD = <25μA,
Step-Up DC/DC Converter
LTC3400/LTC3400B 600mA I SW , 1.2MHz, Synchronous Step-Up DC/DC Converter
S8, MS8 Packages
V IN = 0.85V to 5V, V OUT = 5V, I Q = 19μA/300μA, I SD = <1μA,
ThinSOT Package
LTC3401
LTC3402
LTC3423
LTC3424
1A I SW , 3MHz, Synchronous Step-Up DC/DC Converter
2A I SW , 3MHz, Synchronous Step-Up DC/DC Converter
1A I SW , 3MHz, Low V OUT , Synchronous Step-Up
DC/DC Converter
2A I SW , 3MHz, Low V OUT , Synchronous Step-Up
V IN = 0.5V to 5V, V OUT = 6V, I Q = 38μA, I SD = <1μA, MS Package
V IN = 0.5V to 5V, V OUT = 6V, I Q = 38μA, I SD = <1μA, MS Package
V IN = 0.5V to 5V, V OUT = 6V, I Q = 38μA, I SD = <1μA, MS Package
V IN = 0.5V to 5V, V OUT = 6V, I Q = 38μA, I SD = <1μA, MS Package
DC/DC Converter
1945fa
(408) 432-1900 ● FAX: (408) 434-0507 www.linear.com
8
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
●
LT 1208 REV A ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 2001
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相关代理商/技术参数 |
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| LT1946 | 制造商:LINER 制造商全称:Linear Technology 功能描述:1.2MHz Boost DC/DC Converter with 1.5A Switch and Soft-Start |
| LT1946/LT1946A | 制造商:LINER 制造商全称:Linear Technology 功能描述:4A, 2MHz Dual Phase Step-Up DC/DC Converter in 3mm 3mm DFN |
| LT1946A | 制造商:LINER 制造商全称:Linear Technology 功能描述:1.2MHz Step-Up DC/DC Converter in SOT-23 |
| LT1946AEMS8E | 功能描述:IC REG BOOST ADJ 1.5A 8MSOP RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:500 系列:- 类型:切换式电容器（充电泵），反相 输出类型:固定 输出数:1 输出电压:-3V 输入电压:2.3 V ~ 5.5 V PWM 型:Burst Mode? 频率 - 开关:900kHz 电流 - 输出:100mA 同步整流器:无 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:SOT-23-6 细型，TSOT-23-6 包装:带卷 (TR) 供应商设备封装:TSOT-23-6 其它名称:LTC1983ES6-3#TRMTR |
| LT1946AEMS8E#PBF | 功能描述:IC REG BOOST ADJ 1.5A 8MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:250 系列:- 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:1.2V 输入电压:2.05 V ~ 6 V PWM 型:电压模式 频率 - 开关:2MHz 电流 - 输出:500mA 同步整流器:是 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:6-UFDFN 包装:带卷 (TR) 供应商设备封装:6-SON（1.45x1） 产品目录页面:1032 (CN2011-ZH PDF) 其它名称:296-25628-2 |
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