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参数资料
| 型号： | LT1938IDD#PBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 4 A SWITCHING REGULATOR, 3300 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封装： | 3 X 3 MM, LEAD FREE, PLASTIC, MO-229WEED-2, DFN-10 |
| 文件页数： | 17/24页 |
| 文件大小： | 260K |
| 代理商： | LT1938IDD#PBF |
LT1938
24
1938fa
LinearTechnology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
LINEAR TECHNOLOGY CORPORATION 2007
LT 1107 REV A PRINTED IN USA
PART NUMBER DESCRIPTION
COMMENTS
LT1933
500mA (IOUT), 500kHz Step-Down Switching Regulator in
SOT-23
VIN: 3.6V to 36V, VOUT(MIN) = 12V, IQ = 1.6mA, ISD < 1A, ThinSOTTM
Package
LT3437
60V, 400mA (IOUT), MicroPower Step-Down DC/DC
Converter with Burst Mode Operation
VIN: 3.3V to 80V, VOUT(MIN) = 1.25V, IQ = 100A, ISD < 1A, DFN Package
LT1936
36V, 1.4A (IOUT), 500kHz High Efficiency Step-Down
DC/DC Converter
VIN: 3.6V to 36V, VOUT(MIN) = 1.2V, IQ = 1.9mA, ISD < 1A, MS8E Package
LT3493
36V, 1.2A (IOUT), 750kHz High Efficiency Step-Down
DC/DC Converter
VIN: 3.6V to 40V, VOUT(MIN) = 0.8V, IQ = 1.9mA, ISD < 1A, DFN Package
LT1976/LT1977 60V, 1.2A (IOUT), 200kHz/500kHz, High Efficiency Step-
Down DC/DC Converter with Burst Mode Operation
VIN: 3.3V to 60V, VOUT(MIN) = 1.20V, IQ = 100A, ISD < 1A, TSSOP16E
Package
LT1767
25V, 1.2A (IOUT), 1.1MHz, High Efficiency Step-Down
DC/DC Converter
VIN: 3V to 25V, VOUT(MIN) = 1.20V, IQ = 1mA, ISD < 6A, MS8E Package
LT1940
Dual 25V, 1.4A (IOUT), 1.1MHz, High Efficiency Step-Down
DC/DC Converter
VIN: 3.6V to 25V, VOUT(MIN) = 1.20V, IQ = 3.8mA, ISD < 30A, TSSOP16E
Package
LT1766
60V, 1.2A (IOUT), 200kHz, High Efficiency Step-Down
DC/DC Converter
VIN: 5.5V to 60V, VOUT(MIN) = 1.20V, IQ = 2.5mA, ISD < 25A, TSSOP16E
Package
LT3434/LT3435 60V, 2.4A (IOUT), 200/500kHz, High Efficiency Step-Down
DC/DC Converter with Burst Mode Operation
VIN: 3.3V to 60V, VOUT(MIN) = 1.20V, IQ = 100A, ISD < 1A, TSSOP16E
Package
LT3481
36V, 2A (IOUT), Micropower 2.8MHz, High Efficiency
Step-Down DC/DC Converter
VIN: 3.6V to 36V, VOUT(MIN) = 1.265V, IQ = 5A, ISD < 1A, 3mm × 3mm
DFN and MS10E Packages
1.265V Step-Down Converter
SW
BIAS
FB
VC
PG
RT
VIN
BD
VIN
3.6V TO 25V
VOUT
1.265V
2.2A
4.7F
0.47F
47F
f = 500kHz
D: DIODES INC. DFLS240L
L: TAIYO YUDEN NP06DZB3R3M
D
13k
105k
L
3.3H
GND
680pF
ON OFF
LT1938
1938 TA08
RUN/SS
BOOST
TYPICAL APPLICATION
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT1939 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Monolithic 2A Step-Down Regulator Plus Linear Regulator/Controller |
| LT1939EDD#PBF | 功能描述:IC REG DL BUCK/LINEAR 12DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性 + 切换式 系列:- 标准包装:2,500 系列:- 拓扑:降压（降压）同步（3），线性（LDO）（2） 功能:任何功能 输出数:5 频率 - 开关:300kHz 电压/电流 - 输出 1:控制器 电压/电流 - 输出 2:控制器 电压/电流 - 输出 3:控制器 带 LED 驱动器:无 带监控器:无 带序列发生器:是 电源电压:5.6 V ~ 24 V 工作温度:-40°C ~ 85°C 安装类型:* 封装/外壳:* 供应商设备封装:* 包装:* |
| LT1939EDD#TRPBF | 功能描述:IC REG DL BUCK/LINEAR 12DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 线性 + 切换式 系列:- 标准包装:2,500 系列:- 拓扑:降压（降压）同步（3），线性（LDO）（2） 功能:任何功能 输出数:5 频率 - 开关:300kHz 电压/电流 - 输出 1:控制器 电压/电流 - 输出 2:控制器 电压/电流 - 输出 3:控制器 带 LED 驱动器:无 带监控器:无 带序列发生器:是 电源电压:5.6 V ~ 24 V 工作温度:-40°C ~ 85°C 安装类型:* 封装/外壳:* 供应商设备封装:* 包装:* |
| LT1939EDD-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Monolithic 2A Step-Down Regulator Plus Linear Regulator/Controller |
| LT1939EDD-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Monolithic 2A Step-Down Regulator Plus Linear Regulator/Controller |
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