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LT1936HMS8E#PBF PDF预览

LT1936HMS8E#PBF

更新时间: 2024-11-30 13:09:39
品牌 Logo 应用领域
凌特 - Linear 稳压器开关式稳压器或控制器电源电路开关式控制器光电二极管
页数 文件大小 规格书
20页 293K
描述
LT1936 - 1.4A, 500kHz Step-Down Switching Regulator; Package: MSOP; Pins: 8; Temperature Range: -40°C to 125°C

LT1936HMS8E#PBF 技术参数

是否Rohs认证:符合生命周期:Transferred
零件包装代码:MSOP包装说明:HTSSOP, TSSOP8,.19
针数:8Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:3.37Is Samacsys:N
模拟集成电路 - 其他类型:SWITCHING REGULATOR控制模式:CURRENT-MODE
控制技术:PULSE WIDTH MODULATION最大输入电压:36 V
最小输入电压:3.6 V标称输入电压:12 V
JESD-30 代码:S-PDSO-G8JESD-609代码:e3
长度:3 mm湿度敏感等级:1
功能数量:1端子数量:8
最高工作温度:150 °C最低工作温度:-40 °C
最大输出电流:2.6 A封装主体材料:PLASTIC/EPOXY
封装代码:HTSSOP封装等效代码:TSSOP8,.19
封装形状:SQUARE封装形式:SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):260认证状态:Not Qualified
座面最大高度:1.1 mm子类别:Switching Regulator or Controllers
表面贴装:YES切换器配置:BUCK
最大切换频率:600 kHz温度等级:AUTOMOTIVE
端子面层:Matte Tin (Sn)端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
处于峰值回流温度下的最长时间:30宽度:3 mm
Base Number Matches:1

LT1936HMS8E#PBF 数据手册

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LT1936  
1.4A, 500kHz Step-Down  
Switching Regulator  
FEATURES  
DESCRIPTION  
The LT®1936 is a current mode PWM step-down DC/DC  
converter with an internal 1.9A power switch, packaged  
in a tiny, thermally enhanced 8-lead MSOP. The wide in-  
put range of 3.6V to 36V makes the LT1936 suitable for  
regulating power from a wide variety of sources, including  
automotive batteries, 24V industrial supplies and unregu-  
latedwalladapters.Itshighoperatingfrequencyallowsthe  
use of small, low cost inductors and ceramic capacitors,  
resulting in low, predictable output ripple.  
Wide Input Range: 3.6V to 36V  
Short-Circuit Protected Over Full Input Range  
1.9A Guaranteed Minimum Switch Current  
5V at 1.4A from 10V to 36V Input  
3.3V at 1.4A from 7V to 36V Input  
5V at 1.2A from 6.3V to 36V Input  
3.3V at 1.2A from 4.5V to 36V Input  
Output Adjustable Down to 1.20V  
500kHz Fixed Frequency Operation  
Soft-Start  
Cycle-by-cycle current limit, frequency foldback and  
thermal shutdown provide protection against shorted  
outputs, and soft-start eliminates input current surge  
during start-up. Transient response can be optimized by  
usingexternalcompensationcomponents,orboardspace  
can be minimized by using internal compensation. The  
low current (<2μA) shutdown mode enables easy power  
management in battery-powered systems.  
Uses Small Ceramic Capacitors  
Internal or External Compensation  
Low Shutdown Current: <2μA  
Thermally Enhanced 8-Lead MSOP Package  
APPLICATIONS  
Automotive Battery Regulation  
L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other  
trademarks are the property of their respective owners.  
Industrial Control Supplies  
Unregulated Wall Adapters  
TYPICAL APPLICATION  
3.3V Step-Down Converter  
Efficiency  
95  
V
= 12V  
IN  
V
IN  
4.5V TO 36V  
V
= 5V  
OUT  
90  
85  
80  
75  
70  
65  
0.22μF  
V
BOOST  
SW  
IN  
10μH  
17.4k  
V
3.3V  
1.2A  
OUT  
SHDN  
ON OFF  
V
= 3.3V  
OUT  
LT1936  
4.7μF  
COMP  
FB  
GND  
V
C
10k  
22μF  
1936 TA01a  
0
0.5  
1
1.5  
LOAD CURRENT (A)  
1936 TA01b  
1936fd  
1

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