Preliminary Datasheet 1A LOW DROPOUT LINEAR REGULATOR AP2218 General Description Features The AP2218 is a low dropout linear regulator with a typical dropout of 300mV at 1A output current. · · Minimum Guaranteed Output Current: 1A Dropout Voltage at IOUT=1A: 300mV · · · · Output Accuracy: ± 1% Low Ground Current Internal Current Limit and Thermal Protection Reversed-battery and Reversed-lead Insertion Protection Fast Transient Response The AP2218 provides current limit and thermal shutdown. On-chip thermal shutdown provides protection against any combination of high current and ambient temperature that would create excessive junction temperatures. · The AP2218 has 3.3V and 5.0V versions. The AP2218 is available in the industry standard TO220F-4 package. Applications · · · · · Power Module Set Top Box LCD TV PDP TV Cordless Phone TO-220F-4 Figure 1. Package Type of AP2218 BCD Semiconductor Manufacturing Limited Aug. 2005 Rev. 1. 0 1 Preliminary Datasheet 1A LOW DROPOUT LINEAR REGULATOR AP2218 Pin Configuration T Package (TO-220F-4) EN 4 3 GND VOUT 2 1 VIN Figure 2. Pin Configuration of AP2218 (Top View) Pin Description Pin Number Pin Name Function 1 VIN Unregulated Input. 2 VOUT Regulated Output. 3 GND Ground pin. This pin and TAB are internally connected. 4 EN Logic high enable input. BCD Semiconductor Manufacturing Limited Aug. 2005 Rev. 1. 0 2 Preliminary Datasheet 1A LOW DROPOUT LINEAR REGULATOR AP2218 Functional Block Diagram VIN EN 1 2 4 1.24V Reference VOUT 16V + - Thermal Shutdown 3 GND Figure 3. Functional Block Diagram of AP2218 Ordering Information AP2218 E1: Lead Free Blank: Tin Lead Circuit Type 3.3: Fixed Output 3.3V 5.0: Fixed Output 5.0V Package T: TO-220F-4 BCD Semiconductor Manufacturing Limited Aug. 2005 Rev. 1. 0 3 Preliminary Datasheet 1A LOW DROPOUT LINEAR REGULATOR AP2218 Ordering Information (Continued) Package TO-220F-4 Temperature Range -40 to 125oC Part Number Marking ID Package Type Tin Lead Lead Free Tin Lead Lead Free AP2218T-3.3 AP2218T-3.3E1 AP2218T-3.3 AP2218T-3.3E1 Tube AP2218T-5.0 AP2218T-5.0E1 AP2218T-5.0 AP2218T-5.0E1 Tube BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant. Absolute Maximum Ratings (Note 1) Symbol Value Unit VIN 15 V TJ 150 TSTG -65 to 150 TLEAD 300 o ESD (Machine Model) 350 V ESD (Human Body Model) 2000 V Parameter Supply Voltage Maximum Operating Junction Temperature Storage Temperature Range Lead Temperature (Soldering, 10sec) o C oC C Note 1: Stresses 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. Recommended Operating Conditions Parameter Supply Voltage Operating Junction Temperature Symbol Min VIN TJ -40 Max Unit 8 V 125 oC BCD Semiconductor Manufacturing Limited Aug. 2005 Rev. 1. 0 4 Preliminary Datasheet AP2218 AP2218 1A LOW DROPOUT LINEAR REGULATOR 1A LOW DROPOUT LINEAR REGULATOR Electrical Characteristics AP2218-3.3V Electrical Characteristics Operating Conditions: VIN=4.3V, CIN=10µF, COUT=10µF, TJ=25oC, unless otherwise specified. The Boldface applies over -40oC≤TJ≤125oC. (P≤maximum power dissipation.) Parameter Output Voltage Symbol VOUT Condition Min Typ Max Unit IOUT=10mA 3.27 3.3 3.33 V 10mA≤IOUT≤1A, 4.3V≤VIN≤6.3V (Note 2) 3.23 3.37 V Line Regulation VRLINE IOUT=10mA, 4.3V≤VIN≤8V 3.3 33 mV Load Regulation VRLOAD VIN=4.3V, 10mA≤IOUT≤1A 6.6 50 mV 66 330 µV/oC IOUT=100mA 70 200 mV IOUT=1A 300 550 mV IOUT=750mA 6 15 mA IOUT=1A 10 mA 2.2 A Output Voltage Temperature Coefficient ∆VOUT/∆T IOUT=10mA Dropout Voltage (Note 3) VDROP ∆VOUT=1% Ground Current Current Limit Minimum Load Current IGND ILIMIT VIN=4.3V VOUT=0V (Note 4) 1.5 ILOAD(MIN) Output Noise Voltage (rms) 1 10Hz to 100KHz, IOUT=100mA, COUT=10µF 5 mA µV 400 Enable Input Enable Input Voltage VEN Logic low (off) Logic high (on) Enable Input Current IIN VEN=2.25V 0.8 2.25 1 V 15 VEN=0.8V Shutdown Output Current IOUT(SHDN) (Note 5) V 10 30 75 µA 2 4 µA 20 µA Note 2: For the details of VIN range, please refer to (VIN-VOUT)*ILOAD≤maximum power dissipation (Figure 4). Note 3: Dropout voltage is defined as the input-to-output differential when the output voltage drops to 99% of its nominal value which is measured at VOUT+1V applied to VIN. Note 4: VIN=VOUT(NOMINAL)+1V. Note 5: VEN ≤0.8V, VIN≤8V, VOUT=0V. BCD Semiconductor Manufacturing Limited Aug. 2005 Rev. 1. 0 5 Preliminary Datasheet 1A LOW DROPOUT LINEAR REGULATOR AP2218 Electrical Characteristics (Continued) AP2218-5.0V Electrical Characteristics Operating Conditions: VIN=6V, CIN=10µF, COUT=10µF, TJ=25oC, unless otherwise specified. The Boldface applies over -40oC≤TJ≤125oC. (P≤maximum power dissipation.) Parameter Symbol Output Voltage VOUT Condition Min Typ Max Unit IOUT=10mA 4.95 5.0 5.05 V 10mA≤IOUT≤1A, 6V≤VIN≤8V (Note 2) 4.90 5.10 V Line Regulation VRLINE IOUT=10mA, 6V≤VIN≤8V 5 50 mV Load Regulation VRLOAD VIN=6V, 10mA≤IOUT≤1A 10 75 mV IOUT=10mA 100 500 µV/oC IOUT=100mA 70 200 mV IOUT=1A 300 550 mV IOUT=750mA 6 15 mA IOUT=1A 10 mA 2.2 A Output Voltage Temperature Coefficient ∆VOUT/∆T Dropout Voltage (Note 3) VDROP Ground Current Current Limit Minimum Load Current IGND ILIMIT ∆VOUT=1% VIN=6V VOUT=0V (Note 4) 1.5 ILOAD(MIN) Output Noise Voltage (rms) 1 10Hz to 100KHz, IOUT=100mA, COUT=10µF 5 mA µV 400 Enable Input Enable Input Voltage VEN Logic low (off) Logic high (on) Enable Input Current IIN VEN=2.25V 0.8 2.25 1 V 15 VEN=0.8V Shutdown Output Current IOUT(SHDN) (Note 5) V 10 30 75 µA 2 4 µA 20 µA Note 2: For the details of VIN range, please refer to (VIN-VOUT)*ILOAD≤maximum power dissipation (Figure 4). Note 3: Dropout voltage is defined as the input-to-output differential when the output voltage drops to 99% of its nominal value which is measured at VOUT+1V applied to VIN. Note 4: VIN=VOUT(NOMINAL)+1V. Note 5: VEN ≤0.8V, VIN≤8V, VOUT=0V. BCD Semiconductor Manufacturing Limited Aug. 2005 Rev. 1. 0 6 Preliminary Datasheet 1A LOW DROPOUT LINEAR REGULATOR AP2218 Typical Performance Characteristics 3.5 3.5 Heatsink size: 45*43 mm 2 3.0 2.5 Peak Output Current (A) Power Dissipation (W) 3.0 2.0 1.5 1.0 O TCASE=25 C 2.5 2.0 1.5 1.0 0.5 0.5 0.0 -40 0.0 -20 0 20 40 60 80 100 1 120 2 3 4 o 6 7 8 9 10 11 Figure 5. Peak Output Current vs. VIN-VOUT Differential Voltage Figure 4. Power Dissipation vs. Ambient Temperature 16 20 16 AP2218-3.3V IOUT=100mA 14 IOUT=750mA 12 14 Ground Current (mA) 18 Ground Current (mA) 5 VIN-VOUT Differential Voltage (V) Ambient Temperature ( C) IOUT=1A 12 10 8 6 IOUT=100mA IOUT=750mA IOUT=1A 10 8 6 4 4 2 2 0 0 0 2 4 6 8 10 12 -25 14 0 25 50 75 100 125 o Ambient Temperature( C) Supply Voltage (V) Figure 7. Ground Current vs. Ambient Temperature Figure 6. Ground Current vs. Supply Voltage BCD Semiconductor Manufacturing Limited Aug. 2005 Rev. 1. 0 7 Preliminary Datasheet 1A LOW DROPOUT LINEAR REGULATOR AP2218 Typical Performance Characteristics (Continued) 450 18 16 IOUT=500mA 350 Dropout Voltage (mV) 14 Ground Current (mA) IOUT=250mA 400 VIN=VOUT+1V 12 10 8 6 4 IOUT=1A 300 250 200 150 100 50 2 0 -40 0 0 250 500 750 1000 1250 -20 0 20 40 60 80 100 120 o Ambient Temperature ( C) Output Current (mA) Figure 8. Ground Current vs. Output Current Figure 9. Dropout Voltage vs. Ambient Temperature 450 5.010 5.008 400 AP2218-5.0V 5.006 5.004 Output Voltage (V) Dropout Voltage (mV) 350 300 250 200 150 100 5.002 5.000 4.998 4.996 4.994 4.992 VIN=6V 4.990 IOUT=10mA 4.988 50 4.986 0 0 200 400 600 800 1000 1200 -40 1400 -20 0 20 40 60 80 100 120 o Ambient Temperature ( C) Output Current (mA) Figure 10. Dropout Voltage vs. Output Current Figure 11. Output Voltage vs. Ambient Temperature BCD Semiconductor Manufacturing Limited Aug. 2005 Rev. 1. 0 8 Preliminary Datasheet 1A LOW DROPOUT LINEAR REGULATOR AP2218 Typical Performance Characteristics (Continued) 6.0 5.5 5.5 5.0 4.5 4.5 AP2218-5.0V 4.0 3.5 3.0 2.5 2.0 1.5 IOUT=10mA 1.0 IOUT=1A 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.5 0.0 0 1 2 3 4 5 6 7 8 9 10 11 12 0.0 0.0 13 Input Voltage (V) 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 Enable Voltage (V) Figure 13. Output Voltage vs. Enable Voltage Figure 12. Dropout Characteristics 70 VIN=VOUT+1V Output Voltage VIN=6V 60 IOUT=10mA CIN=10µF 50 COUT=10µF 40 CIN=10µF, COUT=10µF 30 Output Current PSRR (dB) AP2218-5.0V 4.0 Output Voltage (V) Output Voltage (V) 5.0 20 10 0 10 100 1k 10k 100k 1M Frequence (Hz) Figure 14. Power Supply Rejection Ratio Figure 15. Load Transient BCD Semiconductor Manufacturing Limited Aug. 2005 Rev. 1. 0 9 Preliminary Datasheet 1A LOW DROPOUT LINEAR REGULATOR AP2218 Typical Performance Characteristics (Continued) Output Voltage Input Voltage IOUT=10mA CIN=10µF, COUT=10µF Figure 16. Line Transient BCD Semiconductor Manufacturing Limited Aug. 2005 Rev. 1. 0 10 Preliminary Datasheet AP2218 AP2218 1A LOW DROPOUT LINEAR REGULATOR 1A LOW DROPOUT LINEAR REGULATOR Typical Application VIN=6V 1 VIN VOUT AP2218-5.0 EN CIN 10µF GND 3 VOUT=5V 2 4 Enable Shutdown COUT 10µF Figure 17. Typical Application of AP2218 BCD Semiconductor Manufacturing Limited Aug. 2005 Rev. 1. 0 11 Preliminary Datasheet 1A LOW DROPOUT LINEAR REGULATOR AP2218 Mechanical Dimensions 1.900(0.075) 10.050(0.396) REF 5° 5° 13.600(0.535) REF 3-R0.250(0.010) 0.500(0.020) 0.700(0.028) 3-1.050(0.041)MIN 3-1.300(0.051)MAX 10.000(0.394) 10.600(0.417) 5° 6.300(0.248) 6.700(0.264) 15.500(0.610) 15.900(0.626) 1.000(0.039) 5° 15.400(0.606) 15.800(0.622) ° 45 10.400(0.409) 3.300(0.130) 3.500(0.138) 3.300(0.130) 1.500(0.059) 5° 9.800(0.386) 10.200(0.402) 5.000(0.197)REF Ф Ф 3.000(0.118) 3.400(0.134) 3.500(0.138)REF 3- Ф1.500(0.059) Dp0.100(0.004) 3.500(0.138)REF 4.300(0.169) 2.600(0.102) 4.700(0.185) 3.000(0.118) 3.500(0.138)REF 1.000(0.039) 1.500(0.059) Dp0.100(0.004) 3.500(0.138)REF Unit: mm(inch) 3- TO-220F-4 2.540(0.100)TYP 1.500(0.059)MAX 1.190(0.047)REF 4-R0.250(0.010) REF 1.300(0.051) 1.700(0.067) 1.250(0.049) MIN 1.190(0.047)REF 7.620(0.300) REF 0.450(0.018) 0.600(0.024) 5° 5° BCD Semiconductor Manufacturing Limited Aug. 2005 Rev. 1. 0 12 http://www.bcdsemi.com BCD Semiconductor Corporation 3170 De La Cruz Blvd, Suite # 105 Santa Clara, CA 95054-2411, U.S.A Tel: +1-408-988 6388, Fax: +1-408-988 6386 Shanghai SIM-BCD Semiconductor Manufacturing Co., Ltd. 800 Yi Shan Road, Shanghai 200233, PRC Tel: +86-21-6485 1491, Fax: +86-21-5450 0008 Advanced Analog Circuits (Shanghai) Corporation 8F, B Zone, 900 Yi Shan Road, Shanghai 200233, PRC Tel: +86-21-6495 9539, Fax: +86-21-6485 9673 BCD Semiconductor (Taiwan) Company Limited 4F, 298-1 Rui Guang Road, Nei-Hu District, Taipei, Taiwan Tel: +886-2-2656-2808, Fax: +886-2-2656-2806 IMPORTANT NOTICE BCD Semiconductor Manufacturing Limited reserves the right to make changes without further notice to any products or specifications herein. BCD Semiconductor Manufacturing Limited does not assume any responsibility for use of any its products for any particular purpose, nor does BCD Semiconductor Manufacturing Limited assume any liability arising out of the application or use of any its products or circuits. BCD Semiconductor Manufacturing Limited does not convey any license under its patent rights or other rights nor the rights of others.