ACE515C 300mA High PSRR, Linear Regulator, w. Output Discharge Description ACE515C series is a group of positive voltage output, low power consumption, low dropout voltage regulator. ACE515C can provide output value in the range of 1.0V~4.5V every 0.1V step. It also can be customized on command. ACE515C can also work under a wide input voltage ranging from 1.5V to 6V. ACE515C includes high accuracy voltage reference, error amplifier, current limit circuit and output driver module. ACE515C 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 Input voltage range: 1.5 – 6V Output voltage range: 1.0V~4.5V (customized on command every 0.1V step) Low power consumption: 35uA (Typ.) Low output noise (47uVRMS) Shutdown mode: 0.1uA Low dropout voltage: 300mV@300mA (Typ.) High ripple rejection:70dB@1KHz (Typ.) Low temperature coefficient: ±100ppm/°C Excellent line regulation: 0.05%/V Build-in 1.5K discharge resistor when CE low Highly accurate: ±2% Output current limit Fold-back output short circuit protection Application Power source for cellular phones and various kind of PCSs Battery Powered equipment Power Management of MP3, PDA, DSC, Mouse, PS2 Games Voltage Reference Regulation after Switching Power VER 1.4 1 ACE515C 300mA High PSRR, Linear Regulator, w. Output Discharge Typical Performance Characteristic: Absolute Maximum Ratings Parameter Symbol Max Unit Max Input voltage Power Dissipation SC-70-5 SOT-23-3L SOT-23-5 DFN1*1-4 Junction temperature VIN 8 V TJ 250 250 250 600 125 Storage temperature TS Output Current Ambient Temperature - 45 to 150 300 TA -40 to 85 mW O C O C mA O C Note: Heat Sink Area of PCB for DFN1x1-4 is recommended at least 2.5mmx4mm. Exceed these limits to damage to the device. Exposure to absolute maximum rating conditions may affect device reliability. VER 1.4 2 ACE515C 300mA High PSRR, Linear Regulator, w. Output Discharge Packaging Type SC-70-5 5 1 SOT-23-3L 4 2 3 3 SOT-23-5 5 1 2 1 DFN1*1-4 4 2 3 4 3 1 2 (Thermal Pad: Vss) SC-70-5 SOT-23-3L SOT-23-5 DFN1*1-4 Description Function 5 2 5 1 Vout Output pin 1 3 1 4 Vin Input pin 2 1 2 2 VSS Ground pin 3 3 3 CE Chip Enable pin 4 4 NC No Connection Ordering information ACE515C XX XX + H Halogen - free Pb - free HN: SC-70-5 BM: SOT-23-3L BN: SOT-23-5 IN: DFN1*1-4 Output Voltage: 1.0V/1.5V/1.8V…..4.5V Block Diagram VER 1.4 3 ACE515C 300mA High PSRR, Linear Regulator, w. Output Discharge Recommended Work Conditions Item Min Max Unit Input Voltage Range 1.5 6 V Ambient Temperature -40 85 ℃ *The operation ambient temperature range is verified on several test samples. Not a test condition for volume production whose test is only performed under 25°C. Electrical Characteristics ACE515C 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 Conditions VIN=Set VOUT+1V 1mA≦Iout≦30mA VIN -VOUT=1V Min 1.5 VOUT x0.98 VOUT – 0.03 Typ VOUT Max Units 6 V VOUT x 1.02 VOUT + 0.03 V 300 mA IOUT=100mA 100 150 300 400 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 50 80 mV Iss VIN=Set VOUT+1V 35 80 uA Istandby VIN=Set VOUT+1V Vce=Vss 0.1 1.0 uA ΔVOUT / ΔT•VOUT IOUT=30mA ±100 ppm/ ℃ Ripple Rejection PSRR F=1KHz, Ripple=0.5Vp-p VIN=Set VOUT+1V 70 dB Short Current Limit IIim Line Regulation Load Regulation Supply Current Supply Current (Standby) Output Voltage Temperature Coefficient CE Pin Pull down Resistance CE Input Voltage “H” Rcepd 300 CE=Vin=5V mV mA Ω 500K Vceh 1.5 VIN V CE Input Voltage “L” Vcel 0 0.25 V Output Noise En BW=10Hz~100kHz 47 uVrms Discharge Resistor Rdischarge CE=0, Vout=3.0V 1.5K Ω 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. VER 1.4 4 ACE515C 300mA High PSRR, Linear Regulator, w. Output Discharge Typical Application Circuit ACE515C Note Input capacitor (Cin=1uF) and Output capacitor (Cout=1uF) are recommended in all application circuit. Explanation： ACE515C series is a group of positive voltage output, low noise, low power consumption, low dropout voltage regulator. ACE515C can provide output value in the range of 1.0V~4.5V every 0.1V step. It also can be customized on command. ACE515C includes high accuracy voltage reference, error amplifier, current limit circuit and output driver module. ACE515C 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 1.4 5 ACE515C 300mA High PSRR, Linear Regulator, w. Output Discharge Typical Performance Characteristics (T=25℃) VER 1.4 6 ACE515C 300mA High PSRR, Linear Regulator, w. Output Discharge Typical Performance Characteristics (T=25℃) VER 1.4 7 ACE515C 300mA High PSRR, Linear Regulator, w. Output Discharge Packing Information SC-70-5 SOT-23-3L VER 1.4 8 ACE515C 300mA High PSRR, Linear Regulator, w. Output Discharge Packing Information SOT-23-5 DFN1*1-4 VER 1.4 9 ACE515C 300mA High PSRR, Linear Regulator, w. Output Discharge 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 1.4 10