Technology ACE502 400mA CMOS Low Dropout Voltage Low consumption Regulator Description ACE502 series is a group of positive voltage output, low power consumption, low dropout voltage, three terminal regulator. It can provide 200mA output current when input / output voltage differential drops to 470mV（Vout=2.0V） 。The very low power consumption of ACE502（Iq=7uA）can greatly improve natural life of batteries. ACE502 can provide output value in the range of 1.5V~6.0V in 0.1V steps. It also can customized on command. ACE502 includes high accuracy voltage reference, error amplifier, current limit circuit and output driver module. ACE502 has well load transient response and good temperature characteristic, which can assure the stability of chip and power system. And it uses trimming technique to guarantee output voltage accuracy within ±2%. ACE502 is available in SOT-89-3、SOT-23-3、SOT-23-5 packages which is lead free，it also can available in these packages with lead. Features • • • • • • • Low Power Consumption: 7uA (Typ) Maximum Output Current: 400mA Small Dropout Voltage 250mV@100mA (Vout=2.0V) / 470mV@200mA (Vout=2.0V) Input Voltage Range: 2.0V~10V Output Voltage Range: 1.5V~6.0V (customized on command in 0.1V steps) High Accurate: ±2% (±1% customized) Output Current Limit Application • • • • Battery Powered equipment Power Management of MP3. PDA. DSC. Mouse. PS2 Games Reference Voltage Source Regulation after Switching Power Typical Performance Characteristic: A CE50218AM+ Dropout Voltage Vin (V) VER 1.2 1 Technology ACE502 400mA CMOS Low Dropout Voltage Low consumption Regulator Absolute Maximum Ratings Parameter Symbol Max Unit Max Input voltage Power Dissipation SOT-23-3 SOT-23-5 SOT-89-3 Junction temperature Storage temperature Ambient Temperature VIN 10 V W TJ TS TA 0.15 0.25 0.5 125 - 45 to 150 -40 ~85 O C C O C O Packaging Type SOT-89-3 SOT-23-3 SOT-23-5 3 1 2 3 1 5 2 1 4 2 3 Pin SOT-89-3 SOT-23-3 SOT-23-5(A) SOT-23-5(B) Function VIN 2 3 1 3 Supply Voltage Input VSS 1 1 2 2 Ground CE 3 4 Enable Pin NC 4 5 No connect VOUT 3 2 5 1 Output Voltage Ordering information Selection Guide ACE502 XX XX + H Halogen - free Pb - free AM : SOT-89-3 BM: SOT-23-3 BNA: SOT-23-5 BNB: SOT-23-5 Output Voltage： 1.5V/2.2V…..6.0V VER 1.2 2 Technology ACE502 400mA CMOS Low Dropout Voltage Low consumption Regulator Block Diagram Recommended Work Conditions Item Input Voltage Range Ambient Temperature Min Recommended -40 Max Unit 8 V +125 ℃ Electrical Characteristics (Test Conditions: Cin=1uF, Cout=1uF,TA=25℃, unless otherwise specified.) ACE502-1.8V Parameter Input Voltage Output Voltage Symbol VIN VOUT Maximum Output Current IOUT(Max.) Input-Output Voltage Differential Dropout Voltage ΔVOUT / ΔVIN•VOUT Line Regulation Load Regulation ΔVOUT Quiescent Current Iq Output Noise Noise Ripple Rejection PSRR Output Voltage Temperature Coefficient ΔVOUT / ΔT•VOUT Conditions VIN=VOUT+1.0V,VOUT>1.8 V*0.95 IOUT=100mA IOUT=200mA IOUT=40mA 2≦VIN≦8A VIN=2.8V 1mA≦IOUT≦100mA VIN=VOUT+1V f=10Hz to 100kHz, COUT=1μF f=100Hz,IOUT=40mA, COUT=1μF IOUT=10mA Min Typ Max 8 1.764 1.8 1.53 Units V V 400 mA 300 600 400 700 mV 0.2 0.3 %/V 20 40 mA 7 10 uA 40 uVrms 60 dB 50 ppm/℃ VER 1.2 3 Technology ACE502-2.0V Parameter Input Voltage Output Voltage Maximum Output Current Input-Output Voltage Differential Line Regulation Symbol VIN VOUT IOUT(Max.) Dropout Voltage ΔVOUT / ΔVIN•VOUT Load Regulation ΔVOUT Quiescent Current Iq Output Noise Noise Ripple Rejection PSRR Output Voltage Temperature Coefficient ΔVOUT / ΔT•VOUT ACE502-3.0V Parameter Input Voltage Output Voltage Maximum Output Current Input-Output Voltage Differential Line Regulation Symbol VIN VOUT IOUT(Max.) Dropout Voltage ΔVOUT / ΔVIN•VOUT Load Regulation ΔVOUT Quiescent Current Iq Output Noise Noise Ripple Rejection PSRR Output Voltage Temperature Coefficient ΔVOUT / ΔT•VOUT ACE502 400mA CMOS Low Dropout Voltage Low consumption Regulator Conditions Min VIN=VOUT+1.0V,IOUT=40mA 1.96 VIN=VOUT+1.0V,VOUT>2.0*0.95 400 IOUT=100mA IOUT=200mA IOUT=40mA 2.2≦VIN≦8A VIN=3.0V 1mA≦IOUT≦100mA VIN=VOUT+1V f=10Hz to 100kHz, COUT=1μF f=100Hz,IOUT=40mA, COUT=1μF Conditions Min VIN=VOUT+1.0V,IOUT=40mA 2.94 VIN=VOUT+1.0V,VOUT>3.0*0.95 400 IOUT=100Ma IOUT=200mA IOUT=40mA 3.2≦VIN≦8A VIN=4.0V 1mA≦IOUT≦100mA VIN=VOUT+1V f=10Hz to 100kHz, COUT=1μF f=100Hz,IOUT=40mA, COUT=1μF Typ Max 8 2.0 2.04 Units V V mA 250 470 400 600 mV 0.2 0.3 %/V 20 40 mA 7 10 uA 40 uVrms 60 dB 50 ppm/℃ Typ Max 8 3.0 3.06 Units V V mA 200 400 400 600 mV 0.2 0.3 %/V 20 40 mA 7 10 uA 40 uVrms 60 dB 50 ppm/℃ VER 1.2 4 Technology ACE502-3.3V Parameter Input Voltage Output Voltage Maximum Output Current Input-Output Voltage Differential Line Regulation Symbol VIN VOUT IOUT(Max.) Dropout Voltage ΔVOUT / ΔVIN•VOUT Load Regulation ΔVOUT Quiescent Current Iq Output Noise Noise Ripple Rejection PSRR Output Voltage Temperature Coefficient ΔVOUT / ΔT•VOUT ACE502 400mA CMOS Low Dropout Voltage Low consumption Regulator Conditions Min VIN=VOUT+1.0V,IOUT=40mA 3.234 VIN=VOUT+1.0V,VOUT>3.3*0.95 400 IOUT=100Ma IOUT=200mA IOUT=40mA 3.5≦VIN≦8A VIN=4.3V 1mA≦IOUT≦100mA VIN=VOUT+1V f=10Hz to 100kHz, COUT=1μF f=100Hz,IOUT=40mA, COUT=1μF Typ 3.3 Max 8 3.366 Units V V mA 200 400 400 600 mV 0.2 0.3 %/V 20 40 mA 7 10 uA 40 uVrms 60 dB 50 ppm/℃ Typical Application Circuit ACE502 Vin Vin Vout Vout GND + 1uF Cin + 1uF Cout Application hints: Note 1:Input capacitor (Cin=1uF) is recommended in all application circuit. Tantalum capacitor is recommended. Note 2:Output capacitor (Cout=1uF) is recommended in all application to assure the stability of circuit. Tantalum capacitor is recommended. Explanation： ACE502 is a series of low dropout voltage and low power consumption three pins regulator. Its application circuit is very simple, which only needs two outside capacitors. It is composed of these modules: high accuracy voltage reference, current limit circuit, error amplifier, output driver and power transistor. Current Limit module can keep chip and power system away from danger when load current is more than 400mA. ACE502 uses trimming technique to assure the accuracy of output value within±2%, at the same time, temperature compensated is elaborately considered in this chip, which makes ACE502 ’s temperature coefficient within 50ppm/℃. VER 1.2 5 Technology ACE502 400mA CMOS Low Dropout Voltage Low consumption Regulator Typical Performance Characteristics 1. Load regulation VOUT=1.8V Load regulation (VIN=2.8V) Output Voltage vs. Output Current VOUT=1.8V IOUT (mA) VOUT=3.3V Load regulation (VIN=4.3V) Output Voltage vs. Output Current VOUT=3.3V IOUT (mA) 2. Line Regulation VOUT=1.8V Line regulation (IOUT=40mA) Line regulation (VOUT=1.8V) VIN (V) VOUT=2V Load regulation (VIN=3V) Output Voltage vs. Output Current VOUT=2V IOUT (mA) VOUT=5V Load regulation (VIN=6V) Output Voltage vs. Output Current VOUT=5V IOUT (mA) VOUT=2.0V Line regulation (IOUT=40mA) Line regulation (VOUT=2V) VIN (V) VER 1.2 6 Technology VOUT=3.3V Line regulation (IOUT=40mA) Line regulation (VOUT=3.3V) 400mA CMOS Low Dropout Voltage Low consumption Regulator VOUT=5.0V Line regulation (IOUT=40mA) Line regulation (VOUT=5V) VIN (V) 3. Input Voltage transient response VOUT=1.8V (IOUT=10mA) VOUT=3.3V (IOUT=10mA) ACE502 VIN (V) VOUT=2.0V (IOUT=10mA) VOUT=5.0V (IOUT=10mA) VER 1.2 7 Technology 4. Load transient response VOUT=3.3V (VIN=4.3V) ACE502 400mA CMOS Low Dropout Voltage Low consumption Regulator VOUT=5.0V (VIN=6V) 5. Ripple rejection Ripple rejection COUT=1uF IOUT=40mA VER 1.2 8 Technology ACE502 400mA CMOS Low Dropout Voltage Low consumption Regulator Packing Information SOT-89-3 VER 1.2 9 Technology ACE502 400mA CMOS Low Dropout Voltage Low consumption Regulator Packing Information SOT-23-3 VER 1.2 10 Technology ACE502 400mA CMOS Low Dropout Voltage Low consumption Regulator Packing Information SOT-23-5 VER 1.2 11 Technology ACE502 400mA CMOS Low Dropout Voltage Low consumption 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 1.2 12