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参数资料
| 型号： | DS1640SN+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/4页 |
| 文件大小： | 0K |
| 描述： | IC PC POWER FET 16-SOIC |
| 标准包装： | 45 |
| 类型： | 通用 |
| 输出数： | 4 |
| 内部开关： | 是 |
| 电流限制： | 300mA |
| 输入电压： | 3 V ~ 5.5 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 16-SOIC W |
| 包装： | 管件 |
DS1640/DS1640C
Personal Computer Power FET
www.dalsemi.com
FEATURES
Contains four P channel power FET switches
PIN ASSIGNMENT
that can each supply over 300 mA @ 0.2 volts
drop
Controlled directly from CMOS or TTL level
IN1
GATE1
OUT1
LATCH
1
2
3
4
16
15
14
13
IN4
GATE4
OUT4
NC
signals
Fast switching time of less than 10 μ s at rated
supply current
16-pin DIP or 16-pin SOIC surface mount
package
Positive logic signal turns each FET on and
GND 5 12 V CC
OUT2 6 11 OUT3
GATE2 7 10 GATE3
IN2 8 9 IN3
16-Pin DIP (300-mil)
See Mech. Drawings Section
ground or low level signal turns each FET off
Off condition allows less than 50 nA of
current flow
Low control gate capacitance of less than 5
pF
FET gates can either follow inputs or be
latched
IN1
GATE1
OUT1
LATCH
GND
OUT2
GATE2
IN2
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
IN4
GATE4
OUT4
NC
V CC
OUT3
GATE3
IN3
Designed for use with power supplies ranging
from +3 to +5 volts
16-Pin DIP SOIC (300-mil)
See Mech. Drawings Section
PIN DESCRIPTION
V CC
GND
IN1-IN4
OUT1-OUT4
GATE1-GATE4
NC
LATCH
- +3 to +5 Volt Input
- Ground
- FET Sources
- FET Drains
- FET Control Gates
- No Connection
- Gate Inputs Latch Control
DESCRIPTION
The DS1640 contains four P channel power MOS FETs designed as switches to conserve power in
personal computer systems. When connected to power management control units, power consuming
devices like disk drives or display panel backlights can be routinely shut down to conserve battery or
main power supply energy. The P channel power MOS FETs are individually controlled and are capable
of handling 300 mA each continuously with less than 0.2 volts drop from input to output. The device
requires a +3 ? +5 volt power supply input which is used to power internal logic and to operate a gate
bias generator.
1 of 4
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1640SN+ | 功能描述:监控电路 RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| DS1640SN-W | 功能描述:监控电路 RoHS:否 制造商:STMicroelectronics 监测电压数: 监测电压: 欠电压阈值: 过电压阈值: 输出类型:Active Low, Open Drain 人工复位:Resettable 监视器:No Watchdog 电池备用开关:No Backup 上电复位延迟（典型值）:10 s 电源电压-最大:5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:UDFN-6 封装:Reel |
| DS1642 | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:Nonvolatile Timekeeping RAM |
| DS1642-100 | 功能描述:实时时钟 NV Timekeeping RAM RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
| DS1642-100+ | 功能描述:实时时钟 NV Timekeeping RAM RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 总线接口:I2C 日期格式:DW:DM:M:Y 时间格式:HH:MM:SS RTC 存储容量:64 B 电源电压-最大:5.5 V 电源电压-最小:1.8 V 最大工作温度:+ 85 C 最小工作温度: 安装风格:Through Hole 封装 / 箱体:PDIP-8 封装:Tube |
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