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LTC1165 PDF预览

LTC1165

更新时间: 2024-11-24 22:55:51
品牌 Logo 应用领域
凌特 - Linear 驱动器
页数 文件大小 规格书
8页 233K
描述
Triple 1.8V to 6V High-Side MOSFET Drivers

LTC1165 数据手册

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LTC1163/LTC1165  
Triple 1.8V to 6V High-Side  
MOSFET Drivers  
U
DESCRIPTIO  
EATURE  
S
F
Operates from 1.8V to 6V  
The LTC1163/LTC1165 triple low voltage MOSFET drivers  
make it possible to switch supply or ground referenced  
loadsthroughinexpensive,lowRDS(ON) N-channelswitches  
from as little as a 1.8V supply. The LTC1165 has inverting  
inputs and makes it possible to directly replace P-channel  
MOSFET switches while maintaining system drive polar-  
ity. The LTC1163 has noninverting inputs.  
0.01µA Standby Current  
95µA Operating Current per Channel at 3.3V  
Fully Enhances N-Channel Switches  
No External Charge Pump Components  
Built-In Gate Voltage Clamps  
Easily Protected Against Supply Transients  
Controlled Switching ON and OFF Times  
Compatible with 5V, 3V and Sub-3V Logic Families  
Available in 8-Pin SOIC  
Micropower operation, with 0.01µA standby current and  
95µA operating current, coupled with a power supply  
range of 1.8V to 6V, make the LTC1163/LTC1165 ideally  
suited for 2- to 4-cell battery-powered applications. The  
LTC1163/LTC1165 are also well suited for sub-3V, 3.3V  
and 5V nominal supply applications.  
O U  
PPLICATI  
A
S
PCMCIA Card 3.3V/5V Switch  
2-Cell High-Side Load Switching  
Boost Regulator Shutdown to Zero Standby Current  
Replacing P-Channel Switches  
Notebook Computer Power Management  
Palmtop Computer Power Management  
Portable Medical Equipment  
The LTC1163/LTC1165 internal charge pumps boost the  
gatevoltage8Vabovea3.3Vrail, fullyenhancing inexpen-  
sive N-channels for high- or low-side switch applications.  
The LTC1163/LTC1165 are available in both an 8-pin DIP  
and an 8-pin SOIC.  
Mixed 3.3V and 5V Supply Switching  
U
O
TYPICAL APPLICATI  
2-Cell Triple High-Side Switch  
MOSFET Switch Gate Voltage  
(1.8V TO 3V)  
18  
16  
14  
+
+
2-CELL  
BATTERY  
PACK  
10µF  
RFD14N05LSM RFD14N05LSM RFD14N05LSM  
12  
10  
8
V
S
IN1  
IN2  
IN3  
OUT1  
OUT2  
OUT3  
CONTROL  
LTC1163  
LTC1165  
LOGIC  
OR µP  
GND  
6
2-CELL  
LOAD  
2-CELL  
LOAD  
2-CELL  
LOAD  
4
LTC1163 HAS NONINVERTING INPUTS  
LTC1165 HAS INVERTING INPUTS  
2
0
LTC1163/65 • TA01  
0
1
2
5
6
3
4
SUPPLY VOLTAGE (V)  
LTC1163/65 • TA02  
1

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