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| 型号： | LT1933ES6#TR |
| 厂商： | Linear Technology |
| 文件页数： | 1/20页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK ADJ 0.6A TSOT23-6 |
| 标准包装： | 2,500 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 1.25 V ~ 31.7 V |
| 输入电压： | 3.6 V ~ 36 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 500kHz |
| 电流 - 输出： | 600mA |
| 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 |
LT1933
600mA, 500kHz Step-Down
Switching Regulator in
SOT-23 and DFN Packages
FEATURES
DESCRIPTION
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Wide Input Range: 3.6V to 36V
5V at 600mA from 16V to 36V Input
3.3V at 600mA from 12V to 36V Input
5V at 500mA from 6.3V to 36V Input
3.3V at 500mA from 4.5V to 36V Input
Fixed Frequency 500kHz Operation
Uses Tiny Capacitors and Inductors
Soft-Start
Internally Compensated
Low Shutdown Current: <2μA
Output Adjustable Down to 1.25V
Low Pro?le (1mm) SOT-23 (ThinSOT?) and
(2mm × 3mm × 0.75mm) 6-Pin DFN Packages
The LT ? 1933 is a current mode PWM step-down DC/DC
converter with an internal 0.75A power switch, packaged
in a tiny 6-lead SOT-23. The wide input range of 3.6V
to 36V makes the LT1933 suitable for regulating power
from a wide variety of sources, including unregulated wall
transformers, 24V industrial supplies and automotive
batteries. Its high operating frequency allows the use of
tiny, low cost inductors and ceramic capacitors, resulting
in low, predictable output ripple.
Cycle-by-cycle current limit provides protection against
shorted outputs, and soft-start eliminates input current
surge during start up. The low current (<2μA) shutdown
provides output disconnect, enabling easy power manage-
APPLICATIONS
ment in battery-powered systems.
L , LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks of Linear
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Automotive Battery Regulation
Industrial Control Supplies
Wall Transformer Regulation
Distributed Supply Regulation
Battery-Powered Equipment
Technology Corporation. ThinSOT is a trademark of Linear Technology Corporation. All other
trademarks are the property of their respective owners.
TYPICAL APPLICATION
Ef?ciency
3.3V Step-Down Converter
95
V IN = 12V
V IN
4.5V TO 36V
OFF ON
V IN BOOST
LT1933
SHDN SW
GND
2.2μF
FB
10k
16.5k
1N4148
0.1μF
22μH
MBRM140
V OUT
3.3V/500mA
22μF
90
85
80
75
70
V OUT = 5V
V OUT = 3.3V
1933 TA01a
65
0
100
200
300 400
500
600
LOAD CURRENT (mA)
1933 TA01b
1933fe
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LT1933ES6TRMPBF | 制造商:Linear Technology 功能描述:LTC1933 adj 600mA PWM SD dc-dc converter |
| LT1933ES6-TRPBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:600mA, 500kHz Step-Down Switching Regulator in SOT-23 and DFN Packages |
| LT1933HDCB | 制造商:LINER 制造商全称:Linear Technology 功能描述:600mA, 500kHz Step-Down Switching Regulator in SOT-23 and DFN Packages |
| LT1933HDCB#PBF | 制造商:Linear Technology 功能描述: |
| LT1933HDCB#TRMPBF | 功能描述:IC REG BUCK ADJ 0.6A 6DFN 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:2,500 系列:- 类型:升压（升压） 输出类型:可调式 输出数:1 输出电压:1.24 V ~ 30 V 输入电压:1.5 V ~ 12 V PWM 型:电流模式，混合 频率 - 开关:600kHz 电流 - 输出:500mA 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:8-SOIC（0.154"，3.90mm 宽） 包装:带卷 (TR) 供应商设备封装:8-SOIC |
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