產(chǎn)品描述:
BL8079AG系列是一組正電壓輸出、低功耗、低壓差穩(wěn)壓器。 BL8079AG 可提供 0.8V 至 5.0V 可調(diào)的輸出值。 BL8079AG 包括高精度電壓基準(zhǔn)、誤差放大器、電流限制電路和具有放電能力的輸出驅(qū)動(dòng)模塊。 BL8079AG具有優(yōu)異的負(fù)載和線路瞬態(tài)響應(yīng)和良好的溫度特性,可以保證芯片和電源系統(tǒng)的穩(wěn)定性。它采用微調(diào)技術(shù)保證輸出電壓精度在±2%以?xún)?nèi)。它還提供折返短路保護(hù)、熱關(guān)斷和輸出電流限制功能。 BL8079AG 采用無(wú)鉛 SOT23-5 封裝。
產(chǎn)品特征:
低功耗:65uA(典型值)
最大輸出電流:600mA
低壓差電壓:
360mV@IOUT=600mA, VOUT=3.3V
內(nèi)置芯片使能和放電電路
輸入電壓范圍:2——6V
0.8V 至 5.0V 的可調(diào)輸出
輸出電壓精度:±2%
輸出電流限制
短路保護(hù)
過(guò)溫保護(hù)
產(chǎn)品應(yīng)用:
移動(dòng)電話和各種電源
一種PCS
電池供電設(shè)備
MP3、PDA、DSC、鼠標(biāo)的電源管理,
PS2游戲
參考電壓源
開(kāi)關(guān)電源后的調(diào)節(jié)
DESCRIPTION
BL8079AG series is a group of positive voltage output, low power consumption, low dropout voltage regulator. BL8079AG can provide output value adjustable from 0.8V to 5.0V. BL8079AG includes high accuracy voltage reference, error amplifier, current limit circuit and output driver module with discharge capability. BL8079AG has excellent load and line transient response and good temperature characteristics, which can assure the stability of chip and power system. It uses trimming technique to guarantee output voltage accuracy within ±2%. And it also provides fold back short-circuit protection, thermal shutdown and output current limit function. BL8079AG is available in SOT23-5 package which is lead free.
FEATURES
Low power consumption: 65uA (Typ.)
Maximum output current: 600mA
Low dropout voltage:
360mV@IOUT=600mA, VOUT=3.3V
Build-in chip enable and discharge circuit
Input voltage range: 2~6V
Adjustable output from 0.8V to 5.0V
Output voltage accuracy: ±2%
Output current limit
Short circuit protection
Over temperature protection
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