AM3030行车记录仪电源管理IC.pdf

AM3030 3 Channel LV BUCKs PMIC 1 GERNAL DESCRIPTION AM3030 is a highly integrated powermanagement IC(PMIC) designed to minimize powerconsumption in consumer and multimedia applications. It is targeted at Tablet, Mobile Internet Devices, Personal Navigation Devices, Digital Photo Frame, Portable DVD Player, Entertaining and Education Machine. Providing a complete system power management solution, the AM3030 integrates 3-ch synchronous buck converter. The converters are optimized for high efficiency (greater than 92%) and feature integrated low impedance FETs. FEATURES ●2.3V-to-6V Operating Input Range ●130mΩ/100mΩ Low-RDS(ON) Internal PowerMOSFETs ●High-Efficiency Synchronous-ModeOperation ●Fixed 1.5MHz Switching Frequency ●PFM Mode for HighEfficiency at Light Load ●Internal Soft-Start ● Input Voltage UVP OVP ●Over-Current Protection and Hiccup ●Thermal Shutdown ●Output Adjustable from 0.6V ●Available in a 20-pin QFN 3X3 package APPLICATION ● Digital Set-top Box (STB) ● Tablet Personal Computer (Pad) ●Flat-Panel Television and Monitors ● Digital Video Recorder (DVR) ● Portable Media Player (PMP) ●General Purposes 深 圳 市 爱 微 尔 科 技 有 限 公 司 AM3030 2 PRODUCT OPTIONS BLOCK INPUT VOLTAGE OUTPUT VOLTAGE CAPABILITY BUCK1 2.3V~6V Adjustable 1.5A BUCK2 2.3V~6V Adjustable 1.5A BUCK3 2.3V~6V Adjustable 1.5A PIN CONFIGURATION 深 圳 市 爱 微 尔 科 技 有 限 公 司 AM3030 3 PIN DESCRIPTIONS PIN NAME DESCRIPTION 1 GND3 Power ground pin of CH3. 2 FB3 Feedback input of CH3. Connect to output voltage with a resistor divider. 3 FB2 Feedback input of CH2. Connect to output voltage with a resistor divider. 4 GND2A Power ground pin of CH2. 5 GND2B Power ground pin of CH2. 6 SW2 Internal MOSFET switching output of CH2. Connect SW2 pin with a low pass filter circuit to obtain a stable DC output voltage. 7 VIN2 Power input pin of CH2. Recommended to use a 10uF MLC