Technology ACE504A Wide Input Voltage Range, 150mA ULDO Regulator Description ACE504A series are positive voltage regulator IC fabricated by high voltage EPNP process. The ACE504A has features of wide input voltage range and high accuracy, high ripple rejection, low dropout voltage, low noise, current limit and ultra-low quiescent current which make them ideal for use in various USB and portable device. The IC consists of a voltage reference, an error amplifier, a resistor network for setting output voltage, a current limit circuit for current protection, and a chip enable circuit. ACE504A has adjustable, 1.8V,3.3V,5.0V fixed voltage versions. The ACE504A is available in space saving SOT-23-5 an SOT-89-3 packages. Features • • • • • • • • • Wide Input Voltage Range: 2.3V to 24V Wide Output Voltage Range: 1.24V to 22V Excellent Ripple Rejection: 60dB@ f=1kHz Low Dropout Voltage: VDROP=100mV@IOUT=100μA Low Ground Current High Output Voltage Accuracy Compatible with Low ESR Ceramic Capacitor Excellent Line/ Load Regulation Thermal Shutdown Function Application • • • Battery Powered equipment Laptop, Palmtops, Notebook Computers Portable Information Appliances Absolute Maximum Ratings Parameter Symbol Max Unit Supply Input voltage VIN 38 V Enable Input Voltage Output Current Lead Temperature (Soldering, 10sec) Operating Junction Temperature ESD (Machine Mode) ESD (Human Body Mode) Storage Temperature Range VCE IOUT TLEAD TJ V mA ℃ ℃ V V ℃ Thermal Resistance (No Heatsink) θJA 38 250 260 150 275 2000 -60 to 150 SOT-23-5 250 SOT-89-3 165 TLEAD ℃/W Note 1: Stressed greater than those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated under “ Recommended Operating Conditions” is not implied. Exposure to “Absolute Maximum Ratings” for extended periods may affect device reliability. VER 1.2 1 Technology ACE504A Wide Input Voltage Range, 150mA ULDO Regulator Packaging Type SOT-89-3 SOT-23-5 5 1 2 Pin 3 4 1 2 3 SOT-89-3(A) SOT-89-3(B) SOT-23-5 Function VIN 2 1 1 Input voltage GND 1 2 2 Grand VOUT 3 3 5 Regulated output voltage EN 3 Enable input ADJ/NC 4 Adjust output for ADJ version/No connected for fixed version Pin Description Selection Guide ACE504A XX XX + Pb - free AMA : SOT-89-3 (A) AMB : SOT-89-3 (B) BN: SOT-23-5 Output Voltage： 1.8V/3.3V/5.0V/ADJ VER 1.2 2 Technology ACE504A Wide Input Voltage Range, 150mA ULDO Regulator Block Diagram A(B) A for SOT-23-5 B for SOT-89 Fixed Output Voltage For SOT-23-5 Adjustable Output Voltage Functional Block Diagram of ACE504A Recommended Work Conditions Item Symbol Min Max Unit Supply Input Voltage VIN 2.3 24 V Operating Ambient Temperature TA -40 125 ℃ VER 1.2 3 Technology ACE504A Wide Input Voltage Range, 150mA ULDO Regulator Electrical Characteristics VIN=VOUT+1V, TA=25℃,IOUT=100μA,CIN=1.0μF,COUT=2.2μF, Bold typeface applies over -40℃≦TJ≦125℃, unless otherwise specified. Parameter Output Voltage Reference Voltage Input Voltage Output Current (Max.) Line Regulation Load Regulation Dropout Voltage Ground Current Standby Current Power Supply Rejection Ration Output Voltage Temperature Coefficient RMS Output Noise CE “High” Voltage CE “Low” Voltage Thermal Symbol VOUT Conditions Variation from specified VOUT VREF Min Typ VOUT*98% 1.215 1.24 VIN IOUT(max) VIN-VOUT=1V VOUT=98%*VOUT △VOUT/△VIN △VOUT/△VOUT VDROP IGND ISTD PSRR 150 Max Units VOUT*102% V 1.265 V 24 V 200 mA VOUT+1V≦VIN≦24V 0.05 % 1mA≦IOUT≦150mA 0.5 % IOUT=100μA IOUT=50mA IOUT=100mA IOUT=150mA IOUT=100μA IOUT=50mA IOUT=100mA IOUT=150mA VIN=VOUT+1V VEN in OFF mode f=100Hz Ripple 0.5VP-P f=1kHz VIN=VOUT+1V 100 270 320 360 50 0.5 1.3 2.5 150 350 460 500 0.01 1.0 mV μA mV μA 60 dB 60 △VOUT/(△VOUT*△T) IOUT=100μA, -40℃≦TJ≦125℃ ±100 ppm/℃ VNOI TA=25℃, 10Hz≦f≦100kHz 30 μVrms CE Input Voltage “High” 2.0 V CE Input Voltage “Low” SOT-23-5 0.4 43 V ℃/W VER 1.2 4 Technology Resistance ACE504A Wide Input Voltage Range, 150mA ULDO Regulator SOT-89 27 Typical Performance Characteristics ACE504A-ADJ ACE504A-3.3V Output Current (mA) Figure 1. Output Voltage vs. Output Current Output Current (mA) Figure 2. Output Voltage vs. Output Current ACE504A-ADJ ACE504A-3.3V Output Current (mA) Figure 3. Output Voltage vs. Output Current Output Current (mA) Figure 4. Dropout Voltage vs. Output Current VER 1.2 5 Technology Wide Input Voltage Range, 150mA ULDO Regulator ACE504A-ADJ Output Current (mA) Figure 5. Dropout Voltage vs. Output Current ACE504A ACE504A-ADJ Case Temperature (℃) Figure 6. Dropout Voltage vs. Case Temperature ACE504A-ADJ ACE504A-ADJ Input Voltage (V) Figure 7. Output Voltage vs. Input Voltage Input Voltage (V) Figure 8. Output Voltage vs. Input Voltage ACE504A-3.3V ACE504A-3.3V Case Temperature (℃) Figure 9. Output Voltage vs. Case Temperature Input Voltage (V) Figure 10. Supply Current vs. Input Voltage VER 1.2 6 Technology ACE504A Wide Input Voltage Range, 150mA ULDO Regulator ACE504A-3.3V ACE504A-3.3V Case Temperature (℃) Figure 11. Supply Current vs. Case Temperature Output Current (mA) Figure 12. Supply Current vs. Output Current ACE504A-ADJ ACE504A-ADJ Output Current (mA) Figure 13. Supply Current vs. Output Current Enable Input Voltage (V) Figure 14. Enable Current vs. Enable Input Voltage ACE504A-ADJ ACE504A-3.3V Case Temperature (℃) Figure 15. Short Current vs. Case Temperature Figure 16. Line Transient (Conditions:VIN=VEN=3.5V to 8V,CIN=1.0μF, COUT=2.2μF,IOUT=1mA) VER 1.2 7 Technology ACE504A Wide Input Voltage Range, 150mA ULDO Regulator ACE504A-ADJ Figure 17. Line Transient Figure 18. Line Transient (Conditions:VIN=VEN=5V to 15V,CIN=1.0μF,COUT=2.2μF,IOUT=1mA) (Conditions:VIN=VEN=5V,CIN=1.0μF, COUT=2.2μF, IOUT=1mA to 50mA) ACE504A-ADJ Figure 19. Load Transient (Conditions:VIN=5V,CIN=1.0μF, COUT=2.2μF,IOUT=1mA to 150mA) ACE504A-3.3V Figure 20. PSRR vs. Frequency (Conditions:VIN=5V and 20V,VPP=2V,IO=10mA) VER 1.2 8 Technology ACE504A Wide Input Voltage Range, 150mA ULDO Regulator Typical Application ACE504A ACE504A ACE504A VOUT=VREF(1+(R1/R2) Figure 24. Typical Application of ACE504A VER 1.2 9 Technology ACE504A Wide Input Voltage Range, 150mA ULDO Regulator Packing Information SOT-89-3 VER 1.2 10 Technology ACE504A Wide Input Voltage Range, 150mA ULDO Regulator Packing Information SOT-23-5 VER 1.2 11 Technology ACE504A Wide Input Voltage Range, 150mA ULDO 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