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参数资料
| 型号： | YB1900 |
| 厂商： | YOBON TECHNOLOGIES, INC. |
| 英文描述： | Ultra Low Quiescent Current Smart Load Switch |
| 中文描述： | 超低静态电流智能负荷开关 |
| 文件页数： | 7/8页 |
| 文件大小： | 441K |
| 代理商： | YB1900 |
YB1900 MRev.1.2
www.yobon.com.tw
7
YB1900
Ultra Low Quiescent Current Smart Load Switch
Constraints for the YB1900 are maximum
junction temperature TJ(MAX) = 125℃, and
package thermal resistance, θJA = 220℃/W.
The maximum continuous output current for
YB1900
depends
on
package
power
dissipation and the RDS(ON) of MOSFET at
TJ(MAX). Typical conditions are calculated
under normal ambient condition where TA =
25℃ At 85℃, PD(MAX) = 181mW. At TA = 25℃,
PD(MAX) = 454mW.
The maximum current is calculated by the
following equation:
IOUT < (PD(MAX) / RDS(MAX))^(1/2)
For example, if VIN = 5V, RDS(MAX) = 100m
and TA = 25℃, IOUT(MAX) = 2.2A.
Thermal Shutdown is employed to protect
the device damage when over temperature
160℃.
PCB Layout Consideration
To maximize YB1900 performance, some
board layout rules should be followed:
VIN and VOUT should be routed using wider
than normal traces, and GND should be
connected to a ground plane. For best
performance, CIN and COUT should be
placed close to the package pins.
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相关代理商/技术参数 |
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|---|---|
| YB1900ST25 | 制造商:YOBON 制造商全称:YOBON 功能描述:Ultra Low Quiescent Current Smart Load Switch |
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| YB1901MXX8H | 制造商:YOBON 制造商全称:YOBON 功能描述:2.0A High-Side Power Switch with Flag |
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