產品詳情
ME6211 系列高速 LDO 穩(wěn)壓器,高 PSRR,低噪聲
一般說明
ME6211系列是高精度、低噪聲、CMOS LDO 穩(wěn)壓器。 ME6211 系列提供低輸出噪聲、高紋波抑制比、低壓差和非??斓拈_啟時間,是當今尖端手機的理想選擇。 ME6211 內部包括參考電壓源、誤差放大器、驅動晶體管、電流限制器和相位補償器。 ME6211 的電流限制器的折返電路也可作為輸出電流限制器的短路保護和。輸出引腳。 ME6211系列還完全兼容低ESR陶瓷電容器,降低成本并提高輸出穩(wěn)定性。由于出色的瞬態(tài)響應性能和在寬頻率范圍內實現(xiàn)的高 PSRR,即使在頻繁的負載波動期間也能保持這種高水平的輸出穩(wěn)定性。CE 功能允許關閉穩(wěn)壓器的輸出,從而大大降低了功率消耗。
特征
輸出電流:500mA(VIN=4.3V,VOUT=3.3V) ? 壓差:100mV@ IOUT =100mA
工作電壓范圍:2V~6.0V 高精度:±1% ? 低功耗:30uA(TYP.) ?
待機電流:0.1uA(TPY.) ? 高紋波抑制:70dB@1KHz(ME6211C33) ?
低輸出噪聲:50uVrms 線路調整率:0.05%(TYP.)
封裝● 3腳SOT89-3,SOT23-3 ● 4腳SOT343R,F(xiàn)BP1*1-4L
● 5腳SOT23-5,SOT353 ● 6腳DFN2*2-6L
典型應用
手機 無繩電話、無線電通訊設備 便攜式游戲 照相機、攝像機 參考電壓源 電池供電設備
ME6211 Series High Speed LDO Regulators, High PSRR, Low noise
General Debion
The ME6211 series are highly accurate, low noise, CMOS LDO Voltage Regulators. Offering low output noise, high ripple rejection ratio, low dropout and very fast turn-on times, the ME6211 series is ideal for today’s cutting edge mobile phone. Internally the ME6211 includes a reference voltage source, error amplifiers, driver transistors, current limiters and phase compensators. The ME6211’s current limiters' foldback circuit also operates as a short protect for the output current limiter and. the output pin. The ME6211 series is also fully compatible with low ESR ceramic capacitors, reducing cost and improving output stability. This high level of output stability is maintained even during frequent load fluctuations, due to the excellent transient response perbance and high PSRR achieved across a broad range of frequencies.The CE function allows the output of regulator to be turned off, resulting in greatly reduced power consumption.
Features
l Dropout Voltage: 100mV@ IOUT =100mA Low output noise: 50uVrms
l Operating Voltage Range: 2V~6.0V Low Power Consumption: 30uA(TYP.)
l Highly Accuracy: ±1% l l Standby Current: 0.1uA(TPY.) l
l High Ripple Rejection: 70dB@1KHz(ME6211C33) Line Regulation: 0.05%(TYP.)l
l Maximum Output Current: 500mA(VIN=4.3V,VOUT=3.3V)
l Package:3-pin SOT89-3,SOT23-3 4-pin SOT343R,FBP1*1-4L
5-pin SOT23-5,SOT353 6-pin DFN2*2-6L
Typical Application
l Mobile phones Cordless phones, radio communication equipment
l Portable games Cameras, Video cameras
l Reference voltage sources Battery powered equipment
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