150mA Low Noise / High PSRR Dual LDO Regulators--AT2261
- 降低电压开关3A调节器--AT2576
- The AT2576 series of regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator,functions for a step-down (buck) switching regulator,load regulation. These devices are available in fixed output voltages of 3.3V, 5V and an adjustable Requiring a minimum number of external components, these regulators are simple to use and include i
- 3.0A Ultra Low Dropout Regulator--AT818
- The AT818 is a high performance positive voltage regulator designed for use in applications requiring very low input voltage and very low dropout voltage at up to 3A amps. It operates with a VIN as low as 1.8V,with output voltage programmable as low as 0.8V.
- 600mA Ultra Low Dropout Regulator--AT805
- The AT805 is a high performance positive voltage regulator designed for use in applications requiring very low input voltage and very low dropout voltage at 600mA amps. It operates with a VIN as low as 1.8V, with output voltage programmable as low as 0.8V. The AT805 features ultra low dropout, ideal for applications where VOUT is very close to VIN. Additionally, the AT805 has an enable pin to furt
150mA Low Noise / High PSRR Dual LDO Regulators--AT2261
一 概述
The AT2261 series are dual voltage regulator ICs with high output voltage accuracy, low supply current, low dropout, and high ripple rejection by CMOS process. Each of these voltage regulator ICs consists of a voltage reference unit, an error amplifier, resistors for setting output voltage, a current limit circuit, short circuit protection and a chip enable circuit.These ICs perform with low dropout voltage due to built-in transistor with low ON resistance, and a chip enable function prolongs the battery life of each system. The line transient response and loadtransient response of the AT2261 series are excellent, thus these ICs are very suitable for the power supply for hand-held communication.The output voltage of these ICs is internally fixed Equipment.Power Source for Battery-Powered Equipment 26, DFN 1.6x1.6-6L and TDFN 1.8x2-6L.
二 特性
VIN Range:2.0V to 6.0V
Low Dropout Voltage: 0.22V (Typ)(VOUT=3.3V,IOUT=150mA)
Excellent Line Regulation: 0.02%/V(Typ)
Output Voltage Accuracy: ±2.0%
Low Supply Current:80μA(Typ)
Standby Mode:0.1μA(Typ)
Over Current Protection
Short Circuit Protection
High Ripple Rejection:65dB@1KHz
Fixed Output Voltage:1.0V~4.8V
Ceramic capacitors are recommend to be used
with this IC:CIN=COUT=1μF
三 应用
*Power Source for Portable Communication
*power supply for hand-held communication
*Cordless Phones and Radio Communication Equipment
*Cameras, Video Recorders
*PDAs
*Mobile Phone
四 封装
五 应用电路图
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- 降低电压开关3A调节器--AT2576
- The AT2576 series of regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator,functions for a step-down (buck) switching regulator,load regulation. These devices are available in fixed output voltages of 3.3V, 5V and an adjustable Requiring a minimum number of external components, these regulators are simple to use and include i
- 3.0A Ultra Low Dropout Regulator--AT818
- The AT818 is a high performance positive voltage regulator designed for use in applications requiring very low input voltage and very low dropout voltage at up to 3A amps. It operates with a VIN as low as 1.8V,with output voltage programmable as low as 0.8V.
- 600mA Ultra Low Dropout Regulator--AT805
- The AT805 is a high performance positive voltage regulator designed for use in applications requiring very low input voltage and very low dropout voltage at 600mA amps. It operates with a VIN as low as 1.8V, with output voltage programmable as low as 0.8V. The AT805 features ultra low dropout, ideal for applications where VOUT is very close to VIN. Additionally, the AT805 has an enable pin to furt
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