Datasheet > YB1210ST23R260

YB1210ST23R260

更新时间： 2024-02-19 16:26:08

品牌	Logo	应用领域
裕邦科技 - YOBON		/
页数	文件大小	规格书
12页	388K
描述
300mA, Ultra-Low-Noise, High PSRR LDO Regulator

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YB1210ST23R260 数据手册

YB1210R

300mA, Ultra-Low-Noise, High PSRR LDO Regulator

Function Block

Figure 3: Function Block

Functional Description

The YB1210R is an ultra-low-noise,

low-quiescent current, low-dropout linear

regulator. It is supplied in a SOT-23 /

SOT-25 / SOT-89 package for different

applications. YB1210R can supply loads up

to 300mA (typical operation, not maximum)

and output voltages are preset and ranging

from 1.2V to 3.6V.

feedback voltage and amplifies the

difference. If the feedback voltage is lower

than the reference voltage, the gate of the

pass-transistor is pulled low. This allows

more current to pass to the output and

increases the output voltage. If the

feedback voltage is too high, the gate of the

pass transistor is pulled high, allowing less

current to pass to the output.

As shown in the Functional Block Diagram,

the YB1210R consists of a reference and

noise bypass circuit, error amplifier, output

drive transistor, internal feedback voltage

divider, thermal sensor, and short circuit

current limiter.

Stability

The YB1210R is a high performance LDO

emphasizing stability with low output

capacitance. It is able to maintain stability

with an output capacitor as low as 1.0μF.

The output capacitor can also be increased

to optimize performance. The YB1210R will

remain stable and in regulation with no load,

unlike many other voltage regulators.

The internal reference is connected to the

error amplifier’s inverting input. The error

amplifier compares this reference with the

YB1210R Rev.1.6

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