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参数资料
| 型号： | DS1670S |
| 厂商： | DALLAS SEMICONDUCTOR |
| 元件分类： | Timer or RTC |
| 英文描述： | 0 TIMER(S), REAL TIME CLOCK, PDSO20 |
| 封装： | SOIC-20 |
| 文件页数： | 10/16页 |
| 文件大小： | 312K |
| 代理商： | DS1670S |
MAX774/MAX775/MAX776
-5V/-12V/-15V or Adjustable, High-Efficiency,
Low IQ Inverting DC-to-DC Controllers
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V+ = 5V, ILOAD = 0mA, CREF = 0.1F, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C.)
3V
≤ V+ ≤ 16.5V
V+ = 16.5V, SHDN = 0V or V+
MAX774, V+ = 5V, ILOAD = 1A
MAX776, V+ = 5V, ILOAD = 400mA
MAX775, V+ = 5V, ILOAD = 500mA
CONDITIONS
V
1.6
VIH
SHDN Input Voltage High
A
±1
SHDN Input Current
%
82
Efficiency
(Circuit of Figure 2—
Bootstrapped)
87
CEXT = 1nF, V+ = 12V
ns
50
V+ = 12V
EXT Fall Time
s
88
ns
1.8
2.3
2.8
tOFF (max)
Switch Minimum Off-Time
s
12
16
20
tON (max)
Switch Maximum On-Time
A
±1
CS Input Current
50
UNITS
MIN
TYP
MAX
SYMBOL
EXT Rise Time
PARAMETER
160
210
260
3V
≤ V+ ≤ 16.5V
mV
180
210
240
VCS
Current-Limit Trip Level
(V+ – CS)
0.3
3V
≤ V+ ≤ 16.5V
V
0.4
VIL
SHDN Input Voltage Low
MAX77_M
MAX77_C/E
MAX77_M
MAX77_C/E
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相关代理商/技术参数 |
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|---|---|
| DS1670S+ | 功能描述:实时时钟 Portable System Controller 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 |
| DS1671H | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Dual Clock Driver |
| DS1671J-8 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Dual Clock Driver |
| DS-1671ZJ | 制造商:Hikvision USA 功能描述:4" Indoor Ceiling Embedded Mount |
| DS1672 | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:Low Voltage Serial Timekeeping Chip |
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