Data sheet 1.5A ULTRA LOW DROPOUT LINEAR REGULATOR AZ39151 General Description Features The AZ39151 is a 1.5A, high accuracy linear voltage regulator. It features 375mV dropout voltage at 1.5A output current and low ground current over all operating conditions . · · Minimum Guaranteed Output Current: 1.5A Low Dropout Voltage: 375mV at IOUT=1.5A · · · · Output Accuracy: ±1% Low Ground Current Internal Current and Thermal Limit Reversed-battery and Reversed-lead Insertion Protection Fast Transient Response TTL/CMOS Compatible Enable Pin The AZ39151 is specifically designed for low voltage, high current output systems, such as PC add-in cards where their tiny dropout voltage and ground current values are important attributes. · · The AZ39151 has 5.0V version only. Applications The AZ39151 is available in TO-252-4 (PPAK) package. · · · · · · Set-top Box Hi-end DVD Player/Recorder LCD TV/PDP LDO Linear Regulator for PC Add-in Cards High Efficiency Linear Power Supplies SMPS Post Regulator TO-252-4 (PPAK) Figure 1. Package Type of AZ39151 Mar. 2007 Rev. 1. 4 BCD Semiconductor Manufacturing Limited 1 Data sheet 1.5A ULTRA LOW DROPOUT LINEAR REGULATOR AZ39151 Pin Configuration D4 Package TO-252-4 (PPAK) 5 4 3 2 NC VOUT GND VIN 1 EN Figure 2. Pin Configuration of AZ39151 (Top View) Pin Description Pin Number Pin Name Function 1 EN Enable: TTL/CMOS compatible input. Logic high=enable; Logic low or open=shutdown 2 VIN Unregulated input 3 GND Ground pin. This pin and TAB are internally connected 4 VOUT Regulated output 5 NC No connection Mar. 2007 Rev. 1. 4 BCD Semiconductor Manufacturing Limited 2 Data sheet 1.5A ULTRA LOW DROPOUT LINEAR REGULATOR AZ39151 Functional Block Diagram VIN 2 4 VOUT O.V. ILIMIT Reference EN 1 Thermal Shutdown 3 GND Figure 3. Functional Block Diagram of AZ39151 Ordering Information AZ39151 E1: Lead Free Circuit Type TR: Tape and Reel Blank: Tube Package D4: TO-252-4 (PPAK) 5.0: Fixed Output 5.0V Mar. 2007 Rev. 1. 4 BCD Semiconductor Manufacturing Limited 3 Data sheet 1.5A ULTRA LOW DROPOUT LINEAR REGULATOR AZ39151 Ordering Information (Continued) Package Temperature Range TO-252-4 (PPAK) -40 to 125oC Part Number Marking ID Packing Type AZ39151D4-5.0E1 AZ39151D4-5.0E1 Tube AZ39151D4-5.0TRE1 AZ39151D4-5.0E1 Tape & Reel 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 Input Voltage VIN 15 V Enable Voltage VEN 15 V TJ 150 oC TSTG -65 to 150 oC TLEAD 260 oC ESD (Human Body Model) ESD 5000 V ESD (Machine Model) ESD 450 V θJA TO-252-4 (PPAK) Parameter Operating Junction Temperature Storage Temperature Range Lead Temperature (Soldering, 10sec) Thermal Resistance 100 oC/W 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 Symbol Min Max Unit Input Voltage VIN 13.5 V Enable Voltage VEN 13.5 V 125 oC Operating Junction Temperature TJ Mar. 2007 Rev. 1. 4 -40 BCD Semiconductor Manufacturing Limited 4 Data sheet 1.5A ULTRA LOW DROPOUT LINEAR REGULATOR AZ39151 Electrical Characteristics Operating Conditions: VIN=6V, IOUT=10mA, CIN=10µF, COUT=10µF, TJ=25oC, unless otherwise specified. The Boldface applies over -40oC≤TJ≤125oC. Parameter Output Voltage Symbol Conditions VOUT 10mA≤IOUT≤1.5A, 6V≤VIN≤13.5V Min Ma Unit -1 1 % -2 2 Line Regulation VRLINE 6V≤VIN≤13.5V 3 25 mV Load Regulation VRLOAD 10mA≤IOUT≤1.5A 10 50 mV Output Voltage Temperature Coefficient (Note 2) ∆VOUT/∆T 100 500 µV/oC (∆VOUT/VOUT)/∆T 20 100 ppm/oC Dropout Voltage (Note 3) VDROP IOUT=100mA 80 200 mV IOUT=750mA 260 IOUT=1.5A 375 700 mV IOUT=750mA 5 10 mA IOUT=1.5A 17 34 mA VIN=13.5V, VEN=0V 130 220 Ground Current Standby Current Dropout Ground Pin Current Short Circuit Current IGND ISTD IGND(DO) ISHORT Output Noise Voltage (rms) Minimum Load Current Power Supply Ripple Rejection ∆VOUT=1% VIN≤VOUT(NOMINAL)-0.5V µA 5 mA VOUT=0V 2.8 A 10Hz to 100kHz, IOUT=100mA 200 µV ILOAD (MIN) PSRR mV 5 f=120Hz, IOUT=750mA 49 65 mA dB Enable Input Enable Voltage VEN Logic low (off) Logic high (on) Enable Current IEN IOUT (SHDN) V 35 µA 2.25 VEN=VIN 15 VEN=0.8V Shutdown Output Current 0.8 4 VEN≤0.8V, VIN≤8V, VOUT=0V 5 10 µA Note 2: Output voltage temperature coefficient is defined as the worst case voltage change divided by the total temperature range. 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. Mar. 2007 Rev. 1. 4 BCD Semiconductor Manufacturing Limited 5 Data sheet 1.5A ULTRA LOW DROPOUT LINEAR REGULATOR AZ39151 Typical Performance Characteristics 500 700 450 650 600 550 350 Dropout Voltage (mV) Dropout Voltage (mV) 400 300 250 200 150 VIN=6V 100 500 450 400 350 300 250 o TJ=25 C VOUT=VOUT(NOMINAL)x99% 200 50 IOUT=1.5A 150 0 0 250 500 750 1000 1250 100 1500 -25 0 25 50 75 100 125 o Junction Temperature ( C) Output Current (mA) Figure 5. Dropout Voltage vs. Junction Temperature Figure 4. Dropout Voltage vs. Output Current 5.5 45 5.0 40 VEN=3.3V o 4.5 Ground Current (mA) 4.0 Output Voltage (V) TJ=25 C 35 3.5 10mA 1500mA 3.0 2.5 2.0 1.5 VEN=2.5V 1.0 TJ=25 C 30 IOUT=10mA IOUT=750mA 25 IOUT=1500mA 20 15 10 o 5 0.5 0 0.0 0 2 4 6 8 10 0 12 2 4 6 8 10 12 Input Voltage (V) Input Voltage (V) Figure 7. Ground Current vs. Input Voltage Figure 6. Output Voltage vs. Input Voltage Mar. 2007 Rev. 1. 4 BCD Semiconductor Manufacturing Limited 6 Data sheet 1.5A ULTRA LOW DROPOUT LINEAR REGULATOR AZ39151 27 2.50 24 2.25 21 2.00 Ground Current (mA) Ground Current (mA) Typical Performance Characteristics (Continued) 18 15 12 9 6 VIN=6V 3 1.75 1.50 1.25 1.00 0.75 0.50 VIN=VEN=6V 0.25 IOUT=10mA o TJ=25 C 0 0.00 -40 -3 0 200 400 600 800 1000 1200 1400 -20 0 60 80 100 120 Figure 9. Ground Current vs. Junction Temperature 25 11 VIN=VEN=6V 10 VIN=VEN=6V 24 IOUT=1.5A IOUT=750mA Ground Current (mA) Ground Current (mA) 40 o Figure 8. Ground Current vs. Output Current 9 8 7 6 5 -40 20 Junction Temperature ( C) Output Current (mA) 23 22 21 20 19 -20 0 20 40 60 80 100 18 -40 120 -20 0 20 40 60 80 100 120 o Junction Temperature ( C) o Junction Temperature ( C) Figure 10. Ground Current vs. Junction Temperature Mar. 2007 Rev. 1. 4 Figure 11. Ground Current vs. Junction Temperature BCD Semiconductor Manufacturing Limited 7 Data sheet 1.5A ULTRA LOW DROPOUT LINEAR REGULATOR AZ39151 4.5 5.010 4.0 5.005 3.5 5.000 Output Voltage (V) Short Circuit Current (A) Typical Performance Characteristics (Continued) 3.0 2.5 2.0 4.995 4.990 4.985 4.980 1.5 VIN=VEN=6V VIN=VEN=6V IOUT=10mA 4.975 1.0 4.970 0.5 -25 0 25 50 75 100 -25 125 25 50 75 100 125 Junction Temperature ( C) Junction Temperature ( C) Figure 12. Short Circuit Current vs. Junction Temperature Figure 13. Output Voltage vs. Junction Temperature 4 ∆VIN (2V/Div) 20 18 16 14 12 2 0 -2 10 ∆VOUT (100mV/Div) Enable Current (µA) 0 o o 8 6 VIN=VEN=6V 4 IOUT=10mA 2 0 -25 0 25 50 75 100 100 0 -100 -200 125 o Junction Temperature ( C) Time (10µs/Div) Figure 15. Line Transient Figure 14. Enable Current vs. Junction Temperature (Conditions: VIN=5 to 7V, IOUT=1.5A, COUT=10µF) Mar. 2007 Rev. 1. 4 BCD Semiconductor Manufacturing Limited 8 Data sheet 1.5A ULTRA LOW DROPOUT LINEAR REGULATOR AZ39151 IOUT (1A/Div) 1.5 80 1 70 0.5 60 0 50 PSRR (dB) ∆VOUT (0.5V/Div) Typical Performance Characteristics (Continued) 2 40 30 20 1 10 0 -1 0 10 10mA 100 1k 10k 100k Frequency (Hz) Time (200µs/Div) Figure 16. Load Transient Figure 17. PSRR vs. Frequency (Conditions: VIN=6V, IOUT=10mA to 1.5A, CIN=COUT=10µF) (Conditions: VIN=6V, IOUT=10mA, CIN=COUT=10µF) 25 Package: TO-252-4 (PPAK) 2 Heatsink Size: 45*45mm Power Dissipation (W) 20 15 10 5 0 -25 0 25 50 75 100 125 o Case Temperature ( C) Figure 18. Power Dissipation vs. Case Temperature Mar. 2007 Rev. 1. 4 BCD Semiconductor Manufacturing Limited 9 Data sheet 1.5A ULTRA LOW DROPOUT LINEAR REGULATOR AZ39151 Typical Application 2 VIN=6V 1 CIN 10µF + VEN=2.25V VIN EN VOUT AZ39151 NC 4 VOUT=5V 5 GND + C OUT 10µF 3 Figure 19. Typical Application of AZ39151 Mar. 2007 Rev. 1. 4 BCD Semiconductor Manufacturing Limited 10 Data sheet 1.5A ULTRA LOW DROPOUT LINEAR REGULATOR AZ39151 Mechanical Dimensions Unit: mm(inch) 6.400(0.252) 6.600(0.260) 2.200(0.087) 2.400(0.094) 5.700(0.224) 5.900(0.232) 0.950(0.037) 1.450(0.057) 9.250(0.364) 0.800(0.031) 1.000(0.039) 9.750(0.384) 0.460(0.018) 0.560(0.022) 5.200(0.205) 5.400(0.212) 5.400(0.212) 5.600(0.220) 1.300(0.051) 1.500(0.059) TO-252-4(PPAK) 0.450(0.018) 0.550(0.022) 2.440(0.096) 2.640(0.104) 0.460(0.018) 0.560(0.022) 4.980(0.196) 5.180(0.204) Mar. 2007 Rev. 1. 4 BCD Semiconductor Manufacturing Limited 11 http://www.bcdsemi.com 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. MAIN SITE BCD Semiconductor Manufacturing Limited BCD Semiconductor Manufacturing Limited - Wafer Fab Shanghai SIM-BCD Semiconductor Manufacturing Limited 800, Yi Shan Road, Shanghai 200233, China Tel: +86-21-6485 1491, Fax: +86-21-5450 0008 - IC Design Group Advanced Analog Circuits (Shanghai) Corporation 8F, Zone B, 900, Yi Shan Road, Shanghai 200233, China Tel: +86-21-6495 9539, Fax: +86-21-6485 9673 REGIONAL SALES OFFICE Shenzhen Office Shanghai SIM-BCD Semiconductor Manufacturing Co., Ltd. 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