ACE515 Low Noise, fast response 300mA LDO regulator Description ACE515 series is a group of positive voltage output, low power consumption, low dropout voltage regulator. ACE515 can provide output value in the range of 1.0V~4.5V every 0.1V step. It also can be customized on command. ACE515 includes high accuracy voltage reference, error amplifier, current limit circuit and output driver module with discharge capability. ACE515 has 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 Power Consumption: 25uA (Typ) Low Output Noise (47uVRMS) Standby Mode: 0.1uA Low Dropout Voltage 0.16V@300mA (Typ.) High Ripple Rejection: 73dB @100Hz (Typ.) Low Temperature Coefficient: ±100ppm/℃ Excellent Line Regulation: 0.05%/V Build-in Chip Enable And Discharge Circuit Output Voltage Range: 1.0V~4.5V (customized on command every 0.1V step) High Accurate: ±2% Output Current Limit Application 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 Typical Performance Characteristic: Load Regulation (Vout=4.5V) VER 1.5 1 ACE515 Low Noise, fast response 300mA LDO regulator Absolute Maximum Ratings Parameter Symbol Max Unit Max Input voltage Power Dissipation SOT-23-5 SC-70-5 Junction temperature VIN 8 V mW TJ 250 250 125 Storage temperature TS Output Current - 45 to 150 300 Ambient Temperature TA -40 to 85 O C O C mA O C Note: Exceed these limits to damage to the device. Exposure to absolute maximum rating conditions may affect device reliability. Packaging Type SOT-23-5 SC-70-5 5 1 SC-70-5 SOT-23-5(A) SOT-23-5(B) Description 4 2 3 Function 5 5 1 Vout Output pin 1 1 3 VDD Input pin 2 2 2 GND Ground pin 3 3 4 CE Chip Enable pin 4 4 5 NC No Connection Ordering information ACE515 XX XX + H Halogen - free Pb - free HN: SC-70-5 BNA: SOT-23-5 BNB: SOT-23-5 Output Voltage：1.2V/1.5V/2.8V…..4.5V VER 1.5 2 ACE515 Low Noise, fast response 300mA LDO regulator Block Diagram Recommended Work Conditions Item Min Max Unit Input Voltage Range 2 6 V Ambient Temperature -40 85 ℃ Electrical Characteristics ACE515 for arbitrary output voltage (Test Conditions: Cin=1uF, Cout=1uF,TA=25℃, unless otherwise specified.) Parameter Symbol Input Voltage VIN VOUT>1.5V Output Voltage VOUT<=1.5V Maximum Output Current IOUT(Max.) Dropout Voltage, VOUT ≧2.8V Vdrop1 Line Regulation Load Regulation Supply Current Supply Current (Standby) Output Voltage Temperature Coefficient Conditions Min Typ 2 VIN=Set VOUT+1V 1mA≦Iout≦30mA VOUT x0.98 VOUT – 0.03 VIN -VOUT=1V 300 VOUT1 VOUT1 Max Units 6 V VOUT x 1.02 VOUT + 0.03 V mA IOUT=100mA 50 80 mV 160 220 mV ΔVOUT / ΔVIN•VOUT ΔVOUT / ΔIOUT IOUT=300mA IOUT=40mA 2.8V≦VIN≦6V VIN=Set VOUT+1V 1mA≦IOUT≦300mA 0.05 0.2 %/V 60 100 mV Iss VIN=Set VOUT+1V 25 50 uA Istandby VIN=Set VOUT+1V Vce=GND 0.1 1.0 uA ΔVOUT / ΔT•VOUT IOUT=30mA ±100 ppm/ ℃ VER 1.5 3 ACE515 Low Noise, fast response 300mA LDO regulator Ripple Rejection PSRR Short Current Limit IIim F=100Hz, Ripple=0.5Vp-p VIN=Set VOUT+1V VOUT=0V CE Pull down Resistance CE Input Voltage “H” Rpd 2.0 Vceh CE Input Voltage “L” Vcel Output Noise En 70 dB 500 mA 10.0 mΩ 1.5 VIN V 0 0.25 V BW=10Hz~100kHz 5.0 47 uVrms Note: Vdrop=Vin 1-(Vout2*0.98) Vout2 is the output voltage when Vin=Vout1+1.0V and Iout=300mA. Vin is the input voltage at which the output voltage becomes 98% of Vout1 after gradually decreasing the input voltage. Typical Application Circuit ACE515 Note Input capacitor (Cin=1uF) and Output capacitor (Cout=1uF) are recommended in all application circuit. Explanation： ACE515 series is a group of positive voltage output, low noise, low power consumption, low dropout voltage regulator. ACE515 can provide output value in the range of 1.0V~4.5V every 0.1V step. It also can be customized on command. ACE515 includes high accuracy voltage reference, error amplifier, current limit circuit and output driver module. ACE515 has 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%. VER 1.5 4 ACE515 Low Noise, fast response 300mA LDO regulator Typical Performance Characteristics 1.Output Voltage vs. Output Current (with output short protection) Current limit vs. Vout 2.Output Voltage vs. Input Voltage Lin Regulation VIN(V) Iload (mA) 3.Dropout Voltage vs. Output Current Dropout & Iout Iout (mA) 4.Ripple rejection vs. Frequency PSRR Freq (kHz) VER 1.5 5 ACE515 Low Noise, fast response 300mA LDO regulator 5.Line transient response Cin=Cout=1uF Iout=25mA Vout=3.3V 6.Line transient response Cin=Cout=1uF Vin=4.5V 7.Startup up from EN Vout=3.3V 8.Shutdown from EN VER 1.5 6 ACE515 Low Noise, fast response 300mA LDO regulator Packing Information SC-70-5 SOT-23-5 VER 1.5 7 ACE515 Low Noise, fast response 300mA LDO 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 1.5 8