ACE518C 1A Ultra-Low Vin Low Dropout Voltage Linear Regulator Description ACE518C series are a group of positive voltage output, high precise, and low power consumption voltage regulator. Voltages are selectable in 100Mv steps within a range of 1.2V to 5.0V. It also can be customized on command. ACE518C series have excellent load and line transient response and good temperature characteristics, which can assure the stability of chip and power system. And it uses trimming technique to guarantee output voltage accuracy within ±2%. Features • • • • • • • Low Quiescent Current: 100uA at 5V High PSRR: 65dB range to 1KHz Low Output Noise: 44uVRMS Low Dropout: 200mV at 0.8A load, Vout=3.3V Maximum output current: 1A Highly Accurate: ±2% Low ESR Ceramic Capacitor Compatible Application • • • • • Reference Voltage Source Battery Powered Equipment PC Peripherals Wireless Devices Instrumentation VER 1.1 1 ACE518C 1A Ultra-Low Vin Low Dropout Voltage Linear Regulator Absolute Maximum Ratings Parameter Max Max Input voltage 8 V Operating Junction Temperature(TJ) 145 Output Current 300 Ambient Temperature(TA ) -40~85 SOT-23-5 SOT-89-3 Storage temperature (TS) Power Dissipation Lead Temperature & Time Unit O C mA O 250 500 - 45 to 150 O 260 C,10S C mW O C O C Packaging Type SOT-23-5 5 1 SOT-89-3 4 2 3 1 2 3 SOT-23-5 SOT-89-3 Description 1 2 VDD 2 1 GND 3 EN 4 NC 5 3 VOUT Ordering information ACE518C XX XX + H Halogen - free Pb - free BN: SOT-23-5 AM: SOT-89-3 Output Voltage: 1.0V/1.5V/1.8V…..4.5V VER 1.1 2 ACE518C 1A Ultra-Low Vin Low Dropout Voltage Linear Regulator TYPICAL APPLICATION Block Diagram Recommended Work Conditions Item Min Max Unit Input Voltage Range 1.5 6 V Ambient Temperature -40 85 ℃ Operating Junction Temperature (TJ) 125 ℃ VER 1.1 3 ACE518C 1A Ultra-Low Vin Low Dropout Voltage Linear Regulator Electrical Characteristics Test Conditions: CIN=4.7uF,COUT=4.7uF,TA=25℃, unless otherwise specified Symbol Parameter Conditions Input Voltage VDD VOUT>1.5 VOUT Output VDD=Set VOUT+1V Voltage 1mA≤IOUT≤10mA VOUT<=1.5 IOUT (Max.) ** Maximum Output Current VDD-VOUT=1V VDROP Dropout Voltage VOUT=3.3V, IOUT=1A △Vout Line Regulation IOUT=10mA, 4V≤VDD≤6V Load Regulation Is △Vout △T*Vout PSRR en Max Units 1.5* 6 V VOUT VOUT X0.98 Typ VOUT X1.02 VOUT VOUT -0.03 +0.03 V A 1 300 500 mV 0.05 0.2 %/V VDD=Set VOUT+1V 1mA≤IOUT≤2.5A 30 60 mV Supply Current VDD=Set VOUT+1V,VOUT Floating 100 150 uA Output Voltage IOUT=10mA △Vin-Vout △Vout Min Temperature Coefficient Ripple Rejection Output Noise f=100Hz,Ripple=0.5Vp-p, VPP=Set VOUT+1V BW=10Hz~100kHz ±100 ppm/℃ 65 dB 44 uVrms Note: *Iout=500mA@Vout=1.2V **The maximum power rating of each package is a constant, so along with the change of ILOAD, the VDD -VOUT should be controlled to a certain range to ensure the normal operation. VER 1.1 4 ACE518C 1A Ultra-Low Vin Low Dropout Voltage Linear Regulator Typical Performance Characteristics VER 1.1 5 ACE518C 1A Ultra-Low Vin Low Dropout Voltage Linear Regulator Typical Performance Characteristics Load Transient Response(Vin=5V,Vout=3.3V) Cin=1uF,Cout=1uf,lout=1mA-100mA Line Transient Response(Vin=5V,Vout=3.3V) Cin=1uF,Cout=1uf,lout=10mAVin=4.3V-5.3V VER 1.1 6 ACE518C 1A Ultra-Low Vin Low Dropout Voltage Linear Regulator Packing Information SOT-23-5 SOP-89-3 VER 1.1 7 ACE518C 1A Ultra-Low Vin Low Dropout Voltage Linear Regulator Notes ACE does not assume any responsibility for use as critical components in life support devices or systems without the express written approval of the president and general counsel of ACE Electronics Co., LTD. As sued herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and shoes failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury to the user. 2. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. ACE Technology Co., LTD. http://www.ace-ele.com/ VER 1.1 8