单通道低压差线性稳压器
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ESMT(晶豪科技)
单通道低压差线性稳压器
EMP8166/A-xxVN06NRR
The EMP8166/A series can drive 1A of continuous output loading and provide a good performance with a typical dropout voltage as 90mV through an internal n-channel power MOSFETs. The output voltage can be adjustable from 0.8V to Vout that could be very close to VIN.
There are two power supplies pins for the linear regulator. The control circuitry in this linear regulator requires a supply VCTRL and the driver, the n-channel MOSFET, uses another one.
The EMP8166/A series provide a stable output voltage with an output capacitor as low as 10uF. In order to prevent the linear regulator get damage from thermal increasing, the EMP8166/A series provide fold-back over loading protection and over temperature protection features. An internal soft-start or adjustable soft-start by SS pin can minimizes capacitive inrush current on the input power source during start-up. PG stay low until the output reaches 92% of value that is settled during start-up.
The EMP8166/A series are available in E-SOP-8L and SOT-23-6L packages.
Features
Input Voltage Range：+1.0V to +5.5V
Maximum Output Current：1A
RDS-on: 95mohm
Dropout Voltage：90mV @ IOUT=1A
(Vout=0.8V, VCTRL=5V)
±2% Output Voltage Accuracy
High Ripple Rejection：>80 dB @ IOUT=1.0A
(Vout=0.8V, VCTRL=5V, CSS=10nF)
Fold back short circuit protection
Thermal Overload Shutdown Protection
Under Voltage Protection
Power Good Indicator (Open-Drain)
Internal soft-start 600uS
Soft-Start Pin Provides Startup with Ramp Time
Set by External Capacitor
Applications
High Efficiency Linear Regulators
DSP Core and I/O Voltage
Post Regulator for Switching Power
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