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 3.3V and 5.0V versions. 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 Jan. 2011 Rev. 1. 8 BCD Semiconductor Manufacturing Limited 1 Data sheet 1.5A ULTRA LOW DROPOUT LINEAR REGULATOR AZ39151 Pin Configuration D4 Package TO-252-4 (PPAK) 5 NC 4 VOUT 3 GND 2 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 5 NC Regulated output No connection Jan. 2011 Rev. 1. 8 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 BCD Semiconductor Manufacturing Limited Jan. 2011 Rev. 1. 8 3 Data sheet 1.5A ULTRA LOW DROPOUT LINEAR REGULATOR AZ39151 Ordering Information AZ39151 E1: Lead Free G1: Green Circuit Type TR: Tape and Reel Blank: Tube Package D4: TO-252-4 (PPAK) Package TO-252-4 (PPAK) Temperature Range -40 to 125oC 3.3: Fixed Output 3.3V 5.0: Fixed Output 5.0V Part Number Lead Free Marking ID Green Packing Type Lead Free Green AZ39151D4-3.3E1 AZ39151D4-3.3G1 AZ39151D4-3.3E1 AZ39151D4-3.3G1 Tube AZ39151D4-3.3TRE1 AZ39151D4-3.3TRG1 AZ39151D4-3.3E1 AZ39151D4-3.3G1 Tape & Reel AZ39151D4-5.0E1 AZ39151D4-5.0G1 AZ39151D4-5.0E1 AZ39151D4-5.0G1 Tube AZ39151D4-5.0TRE1 AZ39151D4-5.0TRG1 AZ39151D4-5.0E1 AZ39151D4-5.0G1 Tape & Reel BCD Semiconductor's Pb-free products, as designated with "E1" suffix in the part number, are RoHS compliant. Products with "G1" suffix are available in green packages. Jan. 2011 Rev. 1. 8 BCD Semiconductor Manufacturing Limited 4 Data sheet 1.5A ULTRA LOW DROPOUT LINEAR REGULATOR AZ39151 Absolute Maximum Ratings (Note 1) Symbol Value Unit Input Voltage VIN 15 V Enable Voltage VEN 15 V TJ 150 o C TSTG -65 to 150 o C 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 o C/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 -40 BCD Semiconductor Manufacturing Limited Jan. 2011 Rev. 1. 8 5 Data sheet 1.5A ULTRA LOW DROPOUT LINEAR REGULATOR AZ39151 Electrical Characteristics Operating Conditions: VIN=VOUT+1V, IOUT=10mA, CIN=10µF, COUT=10µF, TJ=25oC, unless otherwise specified. The Boldface applies over -40oC≤TJ≤125oC. Parameter Symbol Conditions Min Typ Max -1 1 -2 2 Unit Output Voltage VOUT 10mA≤IOUT≤1.5A, VOUT+1V≤VIN≤13.5V Line Regulation VRLINE VOUT+1V≤VIN≤13.5V 3 25 mV Load Regulation VRLOAD 10mA≤IOUT≤1.5A 10 50 mV ∆VOUT/∆T 100 500 µV/oC (∆VOUT/VOUT)/∆T 20 100 ppm/oC 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 µA Output Voltage Temperature Coefficient (Note 2) Dropout Voltage (Note 3) Ground Current Standby Current Dropout Ground Pin Current Short Circuit Current VDROP IGND ISTD IGND(DO) ISHORT Output Noise Voltage (rms) Minimum Load Current Power Supply Ripple Rejection ∆VOUT=1% VIN≤VOUT(NOMINAL)-0.5V 10Hz to IOUT=100mA 100kHz, mA 2.8 A 200 µV ILOAD (MIN) PSRR mV 5 VOUT=0V 5 f=120Hz, IOUT=750mA 49 % 65 mA dB Enable Input Enable Voltage VEN Enable Current IEN Shutdown Output Current IOUT (SHDN) Logic low (off) 0.8 Logic high (on) 2.25 VEN=VIN 15 VEN=0.8V VEN≤0.8V, VOUT=0V 35 V µA 4 VIN≤8V, 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. Jan. 2011 Rev. 1. 8 BCD Semiconductor Manufacturing Limited 6 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 50 0 VOUT=VOUT(NOMINAL)x99% 200 IOUT=1.5A 150 0 250 500 750 1000 1250 100 1500 -25 0 75 100 125 Figure 5. Dropout Voltage vs. Junction Temperature 5.5 45 5.0 40 VEN=3.3V o 4.5 TJ=25 C Ground Current (mA) 35 4.0 Output Voltage (V) 50 o Figure 4. Dropout Voltage vs. Output Current 3.5 10mA 1500mA 3.0 2.5 2.0 1.5 VEN=2.5V 1.0 TJ=25 C 30 2 4 6 8 10 IOUT=750mA IOUT=1500mA 20 15 5 0 0 IOUT=10mA 25 10 o 0.5 0.0 25 Junction Temperature ( C) Output Current (mA) 12 0 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 BCD Semiconductor Manufacturing Limited Jan. 2011 Rev. 1. 8 7 Data sheet 1.5A ULTRA LOW DROPOUT LINEAR REGULATOR AZ39151 27 2.50 24 2.25 21 2.00 18 1.75 Ground Current (mA) Ground Current (mA) Typical Performance Characteristics (Continued) 15 12 9 6 VIN=6V 3 o TJ=25 C 0 -3 0 200 400 600 800 1000 1200 1.50 1.25 1.00 0.75 0.50 VIN=VEN=6V 0.25 IOUT=10mA 0.00 -40 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 Jan. 2011 Rev. 1. 8 Figure 11. Ground Current vs. Junction Temperature BCD Semiconductor Manufacturing Limited 8 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 4.990 4.985 4.980 1.5 VIN=VEN=6V 1.0 0.5 4.995 VIN=VEN=6V IOUT=10mA 4.975 4.970 -25 0 25 50 75 100 -25 125 25 50 75 100 125 o Junction Temperature ( C) Figure 12. Short Circuit Current vs. Junction Temperature Figure 13. Output Voltage vs. Junction Temperature 4 20 ∆VIN (2V/Div) 18 16 14 12 2 0 -2 10 ∆VOUT (100mV/Div) Enable Current (µA) 0 Junction Temperature ( C) 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) BCD Semiconductor Manufacturing Limited Jan. 2011 Rev. 1. 8 9 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 30 20 1 10 0 -1 40 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 Jan. 2011 Rev. 1. 8 BCD Semiconductor Manufacturing Limited 10 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 BCD Semiconductor Manufacturing Limited Jan. 2011 Rev. 1. 8 11 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(0.213) 5.400(0.213) 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) Jan. 2011 Rev. 1. 8 BCD Semiconductor Manufacturing Limited 12 BCD Semiconductor Manufacturing Limited http://www.bcdsemi.com IMPORTANT NOTICE IMPORTANT NOTICE BCD Semiconductor BCD Semiconductor Manufacturing Manufacturing Limited Limited reserves reserves the the right right to to make make changes changes without without further further notice notice to to any any products products or or specifispecifications herein. cations herein. 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