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参数资料
| 型号： | YB1210ST8RS-2.6G |
| 厂商： | YOBON TECHNOLOGIES, INC. |
| 英文描述： | 300mA Ultra-Low-Noise, High PSRR LDO Regulator |
| 中文描述： | 300mA的超低噪声，高PSRR LDO稳压器 |
| 文件页数： | 12/12页 |
| 文件大小： | 456K |
| 代理商： | YB1210ST8RS-2.6G |
YB1210 – 300mA
Ultra-Low-Noise, High PSRR LDO Regulator
YB1210 MRev.1.5
www.yobon.com.tw
9
designs using a PNP pass transistor,
including low operating power and longer
battery life. The YB1210 consumes only
90A of quiescent current under most
conditions.
Output Short-Circuit Current Limit
The YB1210 includes a current limiter,
which monitors and controls the pass
transistor’s gate voltage, limiting the output
current to about 200mA, for example, in a
short-circuit output situation.
Shutdown
The YB1210 also features a low-power
active shutdown mode. It has a switch that
turns off the device when disabled. This
allows the output capacitor and load to
discharge and de-energize the load. In the
shutdown mode, the internal functional
blocks, such as voltage reference and the
error amplifier, are turned off completely,
and the quiescent current is less than 1A.
Thermal Protection Shutdown
The thermal protection shutdown function
protects the device from operating in over
temperature condition. When the junction
temperature exceeds +160°C, the thermal
sensor signals the shutdown logic, turning
off the pass transistor and allowing the IC
to cool down. The thermal sensor turns the
pass transistor on again after the IC’s
junction temperature drops to +140°C.
Soft-Start Circuitry
The YB1210 includes a soft-start circuitry to
limit inrush current at turn-on. During power
up, the output capacitor and output load are
charged with a reduced output current.
Shortly after the initial power up, the
soft-start feature is terminated and normal
operation is resumed.
Application Information
Enable/Shutdown
The YB1210 comes with an active-high
enable pin that allows the regulator to be
enabled. Forcing the enable pin low
disables the regulator and puts it into the
shutdown mode. This pin cannot be left
floating as it may cause an undetermined
state.
Input/Output Capacitor
It is recommended to use a 0.47F
capacitor on the YB1210 input and a
0.47F capacitor on the output. For high
regulation
performance,
larger
input
capacitor values and lower ESRs provide
better noise rejection and line-transient
response. The output noise, load-transient
response,
stability,
and
power-supply
rejection can be improved by using large
output capacitors. Low ESR ceramic
capacitors provide optimal performance
and save space.
Power Supply Rejection and Transient
Response
The PSRR and transient response can be
improved by increasing the values of the
input and output bypass capacitors, and
through passive filtering techniques.
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相关代理商/技术参数 |
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|---|---|
| YB1210ST8RS-3.0G | 制造商:YOBON 制造商全称:YOBON 功能描述:300mA Ultra-Low-Noise, High PSRR LDO Regulator |
| YB1210ST8RS-3.3G | 制造商:YOBON 制造商全称:YOBON 功能描述:300mA Ultra-Low-Noise, High PSRR LDO Regulator |
| YB1211 | 制造商:YOBON 制造商全称:YOBON 功能描述:300mA External Adjustable LDO Regulator |
| YB1211ST25 | 制造商:YOBON 制造商全称:YOBON 功能描述:300mA External Adjustable LDO Regulator |
| YB1220 | 制造商:YOBON 制造商全称:YOBON 功能描述:Dual Channel 200mA LDO Regulator |
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