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参数资料
| 型号： | LT1945IMS#PBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | DUAL SWITCHING CONTROLLER, PDSO8 |
| 封装： | LEAD FREE, PLASTIC, MSOP-8 |
| 文件页数： | 8/8页 |
| 文件大小： | 121K |
| 代理商： | LT1945IMS#PBF |
LT1945
8
1945fa
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
LINEAR TECHNOLOGY CORPORATION 2001
LT 1208 REV A PRINTED IN USA
RELATED PARTS
PART NUMBER
DESCRIPTION
COMMENTS
LT1613
550mA ISW, 1.4MHz, High Efciency Step-Up DC/DC Converter VIN = 0.9V to 10V, VOUT = 34V, IQ = 3mA, ISD = <1μA,
ThinSOT Package
LT1615/LT1615-1
300mA ISW, Constant Off-Time, High Efciency
Step-Up DC/DC Converter
VIN = 1.2V to 15V, VOUT = 34V, IQ = 20μA, ISD = <1μA,
ThinSOT Package
LT1940
Dual Output 1.4A (IOUT), Constant 1.1MHz, High Efciency
Step-Down DC/DC Converter
VIN = 3V to 25V, VOUT = 1.2V, IQ = 2.5mA, ISD = <1μA,
TSSOP-16E Package
LT1944
Dual Output 350mA ISW, Constant Off-Time, High Efciency
Step-Up DC/DC Converter
VIN = 1.2V to 15V, VOUT = 34V, IQ = 20μA, ISD = <1μA, MS Package
LT1944-1
Dual Output 150mA ISW, Constant Off-Time, High Efciency
Step-Up DC/DC Converter
VIN = 1.2V to 15V, VOUT = 34V, IQ = 20μA, ISD = <1μA, MS Package
LT1949/LT1949-1
550mA ISW, 600kHz/1.1MHz, High Efciency
Step-Up DC/DC Converter
VIN = 1.5V to 12V, VOUT = 28V, IQ = 4.5mA, ISD = <25μA,
S8, MS8 Packages
LTC3400/LTC3400B 600mA ISW, 1.2MHz, Synchronous Step-Up DC/DC Converter
VIN = 0.85V to 5V, VOUT = 5V, IQ = 19μA/300μA, ISD = <1μA,
ThinSOT Package
LTC3401
1A ISW, 3MHz, Synchronous Step-Up DC/DC Converter
VIN = 0.5V to 5V, VOUT = 6V, IQ = 38μA, ISD = <1μA, MS Package
LTC3402
2A ISW, 3MHz, Synchronous Step-Up DC/DC Converter
VIN = 0.5V to 5V, VOUT = 6V, IQ = 38μA, ISD = <1μA, MS Package
LTC3423
1A ISW, 3MHz, Low VOUT, Synchronous Step-Up
DC/DC Converter
VIN = 0.5V to 5V, VOUT = 6V, IQ = 38μA, ISD = <1μA, MS Package
LTC3424
2A ISW, 3MHz, Low VOUT, Synchronous Step-Up
DC/DC Converter
VIN = 0.5V to 5V, VOUT = 6V, IQ = 38μA, ISD = <1μA, MS Package
TYPICAL APPLICATIONS
VIN
SW1
FB2
LT1945
4
3
L1
10μH
D1
D2
SHDN2
24.9k
604k
C2
1μF
–32V
5mA
VIN
2.7V
TO 5V
1945 TA02
GND
7
PGND
9
PGND
6
810
SW2
4.7pF
C1
4.7μF
NFB1
2
5
1
SHDN1
L2
10μH
D3
100pF
C1: TAIYO YUDEN JMK212BJ475
C2, C3: TAIYO YUDEN GMK316BJ105
C4: TAIYO YUDEN UMK212BJ104
D1, D2, D3: ZETEX ZHCS400
L1, L2: MURATA LQH3C100
32V
5mA
C4
0.1μF
(408)573-4150
(631)543-7100
(814)237-1431
2M
80.6k
C3
1μF
Dual Output (±32V) Converter
LOAD CURRENT (mA)
0.1
50
EFFICIENCY
(%)
55
60
65
70
80
110
1945 TA02a
75
+32V OUTPUT
–32V OUTPUT
Efciency at VIN = 3.6V
相关PDF资料 |
PDF描述 |
|---|---|
| LT1945IMS#TR | DUAL SWITCHING CONTROLLER, PDSO8 |
| LT1948EMS8#TR | 1.5 A SWITCHING REGULATOR, 3600 kHz SWITCHING FREQ-MAX, PDSO8 |
| LT253A | SPECIALTY ANALOG CIRCUIT, PDSO4 |
| LT3464DICE | 0.14 A SWITCHING REGULATOR, UUC8 |
| LTC1174IS8-3.3#TRPBF | SWITCHING REGULATOR, PDSO8 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| 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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