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| Advanced Power Electronics Corp. Features - 1.2V maximum dropout at full load current - Fast transient response - Output current limiting - Built-in thermal shutdown - Needs Only 1uF Capacitor for stability - Good noise rejection - 3-Terminal Fixed 1.2V/1.32V - Low ESR Ceramic Capacitor for output stability - PackagesSOT23 - RoHS Compliant APE8912N/APE8913N Pb Free Plating Product 1.2V/1.32V 0.4A Low Dropout Fixed-Mode Regulator General Description APE891X is a low dropout fixed-mode regulator with minimum of 0.4A output current capability. The product is specifically designed to provide well -regulated supply for low voltage IC applications such as high-speed bus termination and low current 1.2V/1.32V logic supply. APE891X is guaranteed to have lower than 1.2V dropout at full load current making it ideal to provide well-regulated outputs of 1.2V/1.32V with 2.4V to 6V input supply. Applications - PC peripheral - Communication - LCD Modules Ordering Information APE 891X X Low Dropout Regulator 2 : 1.2V FIX 3 : 1.32V FIX Package N : SOT23 NR : SOT23 Typical Circuit 3.3V C1 1uF APE8912 C2 1uF 1.2V/0.4A 3.3V C1 1uF APE8913 C2 1uF 1.32V/0.4A 1.2V fixed output 1.32V fixed output This datasheet contains new product information. Advanced Power Electronics Corp. reserves the rights to modify the product specification without notice. No liability is assumed as a result of the use of this product. No rights under any patent accompany the sale of the product. 201229063-1/5 Advanced Power Electronics Corp. Connection Diagram SOT23 (N) TOP VIEW 1. VOUT 2. GND 3. VIN APE8912N/APE8913N 1.2V/1.32V 0.4A Low Dropout Fixed-Mode Regulator SOT23 (NR) TOP VIEW 1. VIN 2. GND 3. VOUT 1 2 3 1 2 3 Block Diagram Vin 3 1 Vout + + CURRENT LIMIT 1.2V + - + Thermal Shutdown 2 GND Advanced Power Electronics Corp. www.a-power.com.tw 2/5 Advanced Power Electronics Corp. Pin Descriptions NAME I/O PIN # N NR APE8912N/APE8913N 1.2V/1.32V 0.4A Low Dropout Fixed-Mode Regulator FUNCTION Vout GND O I 1 2 3 2 The output of the regulator. A minimum of 1uF capacitor must be connected from this pin to ground to insure stability. Ground The input pin of regulator. A minimum of 1uF is connected from this pin to ground to insure that the input voltage does not sag below the minimum dropout voltage during the load transient response. This pin must always be 1.2V higher than Vout in order for the device to regulate properly. Vin I 3 1 Absolute Maximum Ratings Symbol Parameter Rating Unit Vin PD TST TOP DC Supply Voltage Power Dissipation Storage Temperature Operating Junction Temperature Range -0.3 to 6 Internally Limited -65 to +150 0 to +150 V oC oC Advanced Power Electronics Corp. www.a-power.com.tw 3/5 Advanced Power Electronics Corp. APE8912N/APE8913N 1.2V/1.32V 0.4A Low Dropout Fixed-Mode Regulator Electrical Characteristics (Under Operating Conditions) PARAMETER Output Voltage Line Regulation Load Regulation Dropout Voltage (VIN-VOUT) Current Limit Minimum Load Current Thermal Regulation Ripple Rejection Temperature Stability APE8912 APE8913 APE8912/3 APE8912/3 APE8912/3 CONDITIONS o IOUT = 10mA, TJ = 25 C, VOUT+1.2VV IN6V IO=10mA,VOUT+1.5V TYP 1.2 1.320 MAX 1.224 1.346 0.2 1 UNIT V V % % V A mA %/W dB % O 1.1 0.4 1.1 3 0.008 60 0.5 250 1.2 5 0.04 70 APE8912/3 VIN = 3.3V o o 0 CTj125 C APE8912/3 o TA=25 C, 30ms pulse F=120Hz,COUT=25uF Tantalum, IOUT=1A APE8912/3 VIN=VOUT+3V IO=10mA SOT23 JA Thermal Resistance Junction-to-Ambient(No heat sink ;No air flow) Junction-to-Case C/W JC Thermal Resistance SOT23 : Control Circuitry/Power Transistor 100 O C/W Note1: See thermal regulation specifications for changes in output voltage due to heating effects. Line and load regulation are measured at a constant junction temperature by low duty cycle pulse testing. Load regulation is measured at the output lead = 1/18" from the package. Note2: Line and load regulation are guaranteed up to the maximum power dissipation of 5W. Power dissipation is determined by the difference between input and output differential and the output current. Guaranteed maximum power dissipation will not be available over the full input/output range. Note3: Quiescent current is defined as the minimum output current required in maintaining regulation. At 6V input/output differential the device is guaranteed to regulate if the output current is greater than 10mA. Advanced Power Electronics Corp. www.a-power.com.tw 4/5 Advanced Power Electronics Corp. Typical Performance Characteristics 2 APE8912N/APE8913N 1.2V/1.32V 0.4A Low Dropout Fixed-Mode Regulator 0.20 Output Voltage Deviation (%) 1.5 0 Output Voltage Change (%) 1 0. 5 0 -0.5 -1 -1.5 -2 -50 -25 0 25 50 75 100 125 150 I Load=10mA -0.20 -0.40 -0.80 -1 Percent Change in Output Voltage vs Temperature Temperature (oC) -25 0 Temperature (oC) 25 50 75 100 125 Load Regulation vs Temperature Output Voltage Deviation (mV) Input Voltage (V) 6.0 5.0 40 20 0 -20 -40 Cin=1uF Cout=10uF Tantalum Load Current (A) Output Voltage Deviation (mV) 7.0 30 20 10 0 -10 -20 2 1 0 -1 0 10 20 30 40 50 60 70 80 90 100 Cin = 1uF Cout = 10 uF Tantalum Preload = 100mA 0 20 40 60 TIME (us) 80 100 120 140 160 180 200 TIME (us) Line Transient Response Load Transient Response Advanced Power Electronics Corp. www.a-power.com.tw 5/5 |
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