Features：BL8558 BL8558

Low Power Consumption: 75uA（Typ.）

Low output noise (47uVRMS)

Standby Mode: 0.1uA

Low dropout Voltage: 0.46V@500mA (Typ.)

High Ripple Rejection: 66dB@100Hz (Typ.)

Low Temperature Coefficient: ±100ppm/癈

Excellent Line regulation: 0.05%/V

Build-in chip enable and discharge circuit

Output Voltage Range: 1.2V~4.5V (customized on command every 0.1V step)

Highly Accurate: ±2% (±1% customized)

Output Current Limit

Applications：

Power source for cellular phones and various kind of PCSs

Battery Powered equipment

Power Management of MP3, PDA, DSC, Mouse, PS2 Games

Reference Voltage Source

Regulation after Switching Power

 Low noise, fast response 500mA LDO regulato General Description： BL8558 series is a group of positive voltage output, low power consumption, low dropout voltage regulator. BL8558 can provide output value in the range of 1.2V~4.5V every 0.1V step. It also can be customized on command. BL8558 includes high accuracy voltage reference, error amplifier, current limit circuit and output driver module with discharge capability. BL8558 has excellent load and line transient response and good temperature characteristics, which can assure the stabilityof chip and power system. And it uses trimming technique to guarantee output voltage accuracy within±2%. BL8558 is available in SOT-23-5, SC-82 packages which is lead free. It also can available in these packages with lead. r