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LTC1981ES5#PBF PDF预览

LTC1981ES5#PBF

更新时间: 2024-02-06 10:40:55
品牌 Logo 应用领域
凌特 - Linear 光电二极管
页数 文件大小 规格书
8页 152K
描述
LTC1981 - Single and Dual Micropower High Side Switch Controllers in SOT-23; Package: SOT; Pins: 5; Temperature Range: -40°C to 85°C

LTC1981ES5#PBF 技术参数

是否无铅: 含铅是否Rohs认证: 符合
生命周期:Active包装说明:LSSOP,
针数:5Reach Compliance Code:compliant
风险等级:5.16模拟集成电路 - 其他类型:SWITCHED CAPACITOR REGULATOR
最大输入电压:5.5 V最小输入电压:1.8 V
标称输入电压:5 VJESD-30 代码:R-PDSO-G5
JESD-609代码:e3长度:2.95 mm
湿度敏感等级:1功能数量:1
端子数量:5最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:LSSOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE, LOW 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:1.45 mm
表面贴装:YES切换器配置:TRIPLER
最大切换频率:600 kHz温度等级:INDUSTRIAL
端子面层:Matte Tin (Sn)端子形式:GULL WING
端子节距:0.95 mm端子位置:DUAL
处于峰值回流温度下的最长时间:30宽度:1.625 mm
Base Number Matches:1

LTC1981ES5#PBF 数据手册

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LTC1981/LTC1982  
Single and Dual Micropower  
High Side Switch Controllers  
in SOT-23  
U
FEATURES  
DESCRIPTIO  
The LTC®1981/LTC1982 are low-power, self-contained  
N-channel MOSFET drivers. An internal voltage tripler  
allows gates to be driven without the use of any external  
components. Internal regulation circuitry allows quies-  
centcurrenttodropto10µAperdriver(20µAforLTC1981)  
once the gates are charged.  
No External Components Required  
Internal Voltage Triplers Produce High Side  
Gate Drive for Logic Level FETs  
Ultralow Power:  
10µA Per Driver ON Current (LTC1982)  
20µA ON Current (LTC1981)  
<1µA Shutdown Current  
Low quiescent current and low shutdown current (under  
1µA) make these parts ideal for battery and other power  
constrained systems. The wide input voltage range ac-  
commodates a variety of battery/input configurations.  
VCC Range: 1.8V to 5V  
Gate Drive Outputs Driven to Ground During  
Shutdown  
Gate Drive Outputs Internally Clamped to 7.5V Max  
Gate drive is internally clamped to 7.5V providing protec-  
tion to the external MOSFET gate. The MOSFETs can be  
driven in either high side or low side mode.  
“Gate Drive Ready” Output (LTC1981)  
Ultrasmall Application Circuit  
5-Pin SOT-23 Package (LTC1981)  
6-Pin SOT-23 PaUckage (LTC1982)  
The LTC1981 single driver version also includes a gate  
drive ready pin and twice the drive current capacity of the  
dual driver LTC1982.  
APPLICATIO S  
Cellular Telephones  
Portable POS Terminal  
Handheld Battery Powered Equipment  
The LTC1981 is available in a 5-pin SOT-23. The LTC1982  
is available in a 6-pin SOT-23.  
, LTC and LT are registered trademarks of Linear Technology Corporation.  
U
TYPICAL APPLICATIONS  
Single High Side Switch Controller  
Dual High Side Switch Controller  
V
V
CC  
1.8V TO 5.0V  
CC  
1.8V TO 5.0V  
Q1  
Si3442DV  
Q1  
+
+
1/2 Si6925DQ  
10µF  
10µF  
Q2  
1/2 Si6925DQ  
5
4
6
5
4
V
GATE  
V
GATE 1 GATE 2  
LTC1982  
CC  
CC  
LTC1981  
GND  
2
100k  
LOAD  
LOAD 1  
LOAD 2  
GDR  
1
SHDN  
3
SHDN 1 GND SHDN 2  
GATE  
DRIVE  
READY  
1
2
3
SHDN 1  
SHDN 2  
SHDN  
1981/82 TA01  
1981/82 TA02  
1

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