Data Sheet AP1117M AP2318 600mA LOW DROPOUT LINEAR REGULATOR 600mA ULDO REGULATOR WITH ENABLE General Description Features The AP2318 is a series of ultra low dropout regulators optimized for low voltage applications where transient response and minimum input voltage are critical. · · · · The AP2318 provides current limit and thermal shutdown. Its circuit includes a trimmed bandgap reference to assure output voltage accuracy to be within ±1%. On-chip thermal shutdown provides protection against any combination of overload and ambient temperatures that would create excessive junction temperatures. · Wide Operating Voltage Ranges: 2.5V to 12V Output Voltage Accuracy: ±1% On-chip Thermal Shutdown ESD: Human Body Model 3kV Machine Model 600V Operating Junction Temperature: -40oC to 125oC Applications · · · · · The AP2318 has both fixed and adjustable versions. The 1.3V fixed versions integrate the corresponding resistor divider. The adjustable version can set the output voltage through two external resistors. Notebook USB Device Add-on Card DVD Player PC Motherboard The AP2318 is available in the standard DFN-3×3-8 and SOIC-8 packages. SOIC-8 DFN-3×3-8 Figure 1. Package Types of AP2318 Dec. 2010 Rev. 1. 5 BCD Semiconductor Manufacturing Limited 1 Data Sheet AP1117M AP2318 600mA LOW DROPOUT LINEAR REGULATOR 600mA ULDO REGULATOR WITH ENABLE Pin Configuration DN Package (DFN-3x3-8) M Package (SOIC-8) VIN 1 8 EN NC 1 8 GND VIN 2 7 NC EN 2 7 ADJ/NC VOUT 3 6 GND VIN 3 6 VOUT VOUT 4 5 ADJ/NC VIN 4 5 NC Figure 2. Pin Configuration of AP2318 (Top View) Functional Block Diagram VIN 1, 2 (3, 4) EN 3, 4 (6) VOUT 8 (2) Enable Bandgap Reference RC Compensation OVP 5 (7) A1 Error VFB Amplifier Thermal Shutdown Current Limit ADJ/NC B A2 6 (8) Connect A1 and A2, disconnect B: Fixed Voltage Version Connect B, disconnect A1 and A2:Adjustable Voltage Version GND A (B) A: DFN-3x3-8 B: SOIC-8 Figure 3. Functional Block Diagram of AP2318 Dec. 2010 Rev. 1. 5 BCD Semiconductor Manufacturing Limited 2 Data Sheet AP1117M AP2318 600mA LOW DROPOUT LINEAR REGULATOR 600mA ULDO REGULATOR WITH ENABLE Pin Description Pin Number Pin Name Function DFN-3×3-8 SOIC-8 1, 2 3, 4 VIN 3, 4 6 VOUT 5 7 ADJ/NC 6 8 GND 7 1, 5 NC No connection 8 2 EN On/Off control Input Voltage Output Voltage Adjust Voltage/No Connection Ground Ordering Information AP2318 Package SOIC-8 DFN-3×3-8 - Circuit Type E1: Lead Free Package M: SOIC-8 DN: DFN-3×3-8 TR: Tape and Reel Temperature Range -40 to 125oC -40 to 125oC G1: Green Blank: Tube ADJ: Adjustable Output 1.3: Fixed Output 1.3V Part Number Lead Free Marking ID Green Lead Free Green Packing Type AP2318M-ADJE1 AP2318M-ADJG1 2318M-ADJE1 2318M-ADJG1 Tube AP2318M-ADJTRE1 AP2318M-ADJTRG1 2318M-ADJE1 2318M-ADJG1 Tape & Reel AP2318M-1.3E1 AP2318M-1.3G1 2318M-1.3E1 2318M-1.3G1 Tube AP2318M-1.3TRE1 AP2318M-1.3TRG1 2318M-1.3E1 2318M-1.3G1 Tape & Reel AP2318DN-ADJTRE1 AP2318DN-ADJTRG1 F9E B9E Tape & Reel AP2318DN-1.3TRE1 AP2318DN-1.3TRG1 F9B B9B 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. Dec. 2010 Rev. 1. 5 BCD Semiconductor Manufacturing Limited 3 Data Sheet AP1117M AP2318 600mA LOW DROPOUT LINEAR REGULATOR 600mA ULDO REGULATOR WITH ENABLE Absolute Maximum Ratings (Note 1) Parameter Symbol Value Unit Input Voltage VIN 15 V TJ 150 TSTG -65 to 150 oC TLEAD 260 oC Operating Junction Temperature Storage Temperature Range Lead Temperature (Soldering, 10sec) θJA Thermal Resistance (Note 2) o C SOIC-8 135 DFN-3×3-8 120 oC/W ESD (Human Body Model) ESD 3000 V ESD (Machine Model) ESD 600 V 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. Note 2: Absolute maximum ratings indicate limits beyond which damage to the component may occur. Electrical specifications do not apply when operating the device outside of its operating ratings. The maximum allowable power dissipation is a function of the maximum junction temperature, TJ(max), the junction-to-ambient thermal resistance,θJA, and the ambient temperature, TA. The maximum allowable power dissipation at any ambient temperature is calculated using: PD(max)=(TJ(max) TA)/θJA. Exceeding the maximum allowable power dissipation will result in excessive die temperature, and the regulator will go into thermal shutdown. Recommended Operating Conditions Parameter Symbol Min Max Unit Input Voltage VIN 2.5 12 V Enable Voltage VEN 12 V Operating Junction Temperature Range TJ -40 Dec. 2010 Rev. 1. 5 125 o C BCD Semiconductor Manufacturing Limited 4 Data Sheet AP1117M AP2318 600mA LOW DROPOUT LINEAR REGULATOR 600mA ULDO REGULATOR WITH ENABLE Electrical Characteristics Operating Conditions: 2.5V≤VIN≤12V, CIN=1µF, COUT=2.2µF, TJ=25oC, unless otherwise specified. (P≤Maximum Power Dissipation). Limits appearing in Boldface type apply over the entire junction temperature range for operation of -40oC to 125oC. Parameter Conditions Symbol Min TJ=25oC Typ Max Unit Reference Voltage VREF AP2318-ADJ IOUT=10mA, VIN-VOUT=2V, 10mA≤IOUT≤600mA, VOUT+2V≤VIN ≤12V 0.792 0.800 0.808 0.784 0.800 0.816 V Output Voltage VOUT IOUT=10mA, VIN=2.5V, TJ=25oC 10mA≤IOUT≤600mA, 2.5V≤VIN ≤12V -1% -2% V Maximum Output Current Line Regulation IOUT(max) VIN-VOUT=2V VRLINE 0.85 AP2318-ADJ IOUT=10mA, VOUT+2V≤VIN≤12V IOUT=10mA, 2.5V≤VIN ≤12V Load Regulation Dropout Voltage Adjust Pin Current Minimum Load Current VRLOAD VDROP AP2318-ADJ VIN=VOUT+2V, 10mA≤IOUT≤600mA VIN=2.5V, 10mA≤IOUT≤600mA ∆VOUT (∆VREF)=1%, IOUT=600mA ILOAD(min) VOUT+2V≤VIN≤12V (ADJ only) IQ RMS Output Noise (% of VOUT) VNOI 1.2 A 0.05 0.2 %/V 1 6 mV 0.2 0.4 % 1 10 mV 0.35 IADJ Quiescent Current 1% 2% VIN=VOUT+2V, IOUT=0mA TA=25oC, 10Hz≤f≤20kHz Thermal Shutdown Temperature Thermal Shutdown Hysteresis V 0.05 1 µA 1.7 5 mA 250 µA 0.003 % o C 150 o 25 Enable Input Voltage VEN Enable Input Current IEN Thermal Resistance, (Junction to Case) θJC Enable logic low C 0.8 Enable logic high V 2.25 VEN=2.25V 5 VEN=0.8V DFN-3×3-8 15 SOIC-8 24 Dec. 2010 Rev. 1. 5 15 µA 4 µA o C/W BCD Semiconductor Manufacturing Limited 5 Data Sheet AP1117M AP2318 600mA LOW DROPOUT LINEAR REGULATOR 600mA ULDO REGULATOR WITH ENABLE Typical Performance Characteristics 1.30 0.90 AP2318-ADJ VOUT=0.8V Output Voltage (V) 0.86 0.84 ADJ short to GND o TC=25 C 0.82 VIN=2.8V 1.26 0.80 0.78 0.76 1.22 1.20 1.18 1.16 1.14 0.72 1.12 1.10 0 50 100 150 200 250 R1=3kΩ R2=6.2kΩ o TC=25 C VIN=3.2V 1.24 0.74 0.70 AP2318-ADJ VOUT=1.2V 1.28 Output Voltage (V) 0.88 300 0 50 100 1.0 250 300 1.5 1.4 0.9 AP2318-ADJ VOUT=1.2V 1.3 0.8 1.2 R1=3kΩ R2=6.2kΩ o TC=25 C 1.1 0.7 Output Voltage (V) Output Voltage (V) 200 Figure 5. Output Voltage vs. Output Current (Conditions: VOUT=1.2V, R1=3kΩ, R2=6.2kΩ) Figure 4. Output Voltage vs. Output Current (Conditions: VOUT=0.8V, ADJ Short to GND) AP2318-ADJ VOUT=0.8V 0.6 0.5 ADJ short to GND o TC=25 C 0.4 0.3 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.2 VIN=3.2V 0.3 0.1 VIN=8V 0.2 0.0 150 Output Current (mA) Output Current (mA) 150 300 450 600 750 900 1050 1200 1350 VIN=2.5V VIN=12V 0.1 VIN=12V 0 VIN=3.2V 0.0 1500 Output Current (mA) 0 150 300 450 600 750 900 1050 1200 1350 1500 Output Current (mA) Figure 6. Output Voltage vs. Output Current (Conditions: VOUT=0.8V, ADJ Short to GND) Figure 7. Output Voltage vs. Output Current (Conditions: VOUT=1.2V, R1=3kΩ, R2=6.2kΩ) Dec. 2010 Rev. 1. 5 BCD Semiconductor Manufacturing Limited 6 Data Sheet AP1117M AP2318 600mA LOW DROPOUT LINEAR REGULATOR 600mA ULDO REGULATOR WITH ENABLE Typical Performance Characteristics (Continued) 1.1 1.5 1.4 1.3 0.9 1.2 0.8 1.1 Output Voltage (V) Output Voltage (V) 1.0 0.7 AP2318-ADJ VIN=2.8V 0.6 0.5 VOUT=0.8V 0.4 ADJ short to GND 0.3 o TC=25 C 0.2 o TC=-40 C 0.1 0.0 o 150 300 450 600 750 900 1050 1200 1350 AP2318-ADJ VIN=3.2V 0.9 0.8 0.7 VOUT=1.2V 0.6 R1=3kΩ R2=6.2kΩ 0.5 o 0.4 TC=25 C 0.3 TC=-40 C 0.2 TC=125 C o o 0.1 TC=125 C 0 1.0 0.0 1500 0 150 300 450 Output Current (mA) 600 750 900 1050 1200 1350 1500 Output Current (mA) Figure 8. Output Voltage vs. Output Current (Conditions: VOUT=0.8V, ADJ Short to GND) Figure 9. Output Voltage vs. Output Current (Conditions: VOUT=1.2V, R1=3kΩ, R2=6.2kΩ) 1.0 1.4 0.9 0.8 1.2 Output Voltage (V) Output Voltage (V) 0.7 0.6 AP2318-ADJ VOUT=0.8V 0.5 ADJ short to GND o TC=25 C 0.4 0.3 300mA 10mA 600mA 0.2 0.1 0.0 0 1 2 3 4 5 6 7 8 9 1.0 AP2318-ADJ VOUT=1.2V 0.8 R1=3kΩ R2=6.2kΩ o TC=25 C 300mA 10mA 600mA 0.6 0.4 0.2 10 11 0.0 12 Input Voltage (V) 0 1 2 3 4 5 6 7 8 9 10 11 12 Input Voltage (V) Figure 10. Output Voltage vs. Input Voltage (Conditions: VOUT=0.8V, ADJ Short to GND) Figure 11. Output Voltage vs. Input Voltage (Conditions: VOUT=1.2V, R1=3kΩ, R2=6.2kΩ) Dec. 2010 Rev. 1. 5 BCD Semiconductor Manufacturing Limited 7 Data Sheet AP1117M AP2318 600mA LOW DROPOUT LINEAR REGULATOR 600mA ULDO REGULATOR WITH ENABLE 0.90 1.30 0.88 1.28 0.86 1.26 0.84 1.24 Output Voltage (V) Output Voltage (V) Typical Performance Characteristics (Continued) 0.82 0.80 0.78 0.76 AP2318-ADJ VIN=2.8V 0.74 VOUT=0.8V 0.70 -40 -20 0 20 40 60 80 100 VOUT=1.2V R1=3kΩ R2=6.2kΩ IOUT=10mA 1.22 1.20 1.18 1.16 1.14 ADJ short to GND IOUT=10mA 0.72 AP2318-ADJ VIN=3.2V 1.12 1.10 -40 120 -20 0 20 40 60 80 100 120 o o Case Temperature ( C) Case Temperature ( C) Figure 13. Output Voltage vs. Case Temperature (Conditions: VOUT=1.2V, R1=3kΩ, R2=6.2kΩ) Figure 12. Output Voltage vs. Case Temperature (Conditions: VOUT=0.8V, ADJ Short to GND) 250 400 225 350 300 175 150 Supply Current (µA) Supply Current (µA) 200 AP2318-ADJ VOUT=0.8V 125 ADJ short to GND No Load 100 o T C=-40 C 75 o T C=25 C 50 AP2318-ADJ VOUT=1.2V 200 R1=3k Ω R2=6.2k Ω No Load o T C=-40 C 150 o 100 T C=25 C o o T C=125 C 25 0 250 0 1 2 3 4 5 6 7 T C=125 C 50 0 8 0 1 2 3 4 5 6 7 8 Input Voltage (V) Input Voltage (V) Figure 15. Supply Voltage vs. Input Voltage (Conditions: VOUT=1.2V, R1=3kΩ, R2=6.2kΩ) Figure 14. Supply Voltage vs. Input Voltage (Conditions: VOUT=0.8V, ADJ Short to GND) Dec. 2010 Rev. 1. 5 BCD Semiconductor Manufacturing Limited 8 Data Sheet AP1117M AP2318 600mA LOW DROPOUT LINEAR REGULATOR 600mA ULDO REGULATOR WITH ENABLE Typical Performance Characteristics (Continued) 220 340 AP2318-ADJ VIN=3.2V 336 212 AP2318-ADJ VIN=2.8V 332 208 VOUT=0.8V 328 204 ADJ short to GND No Load Supply Current (µA) Supply Current (µA) 216 200 196 192 320 316 312 308 184 304 -20 0 20 40 60 80 100 R1=3kΩ R2=6.2kΩ No Load 324 188 180 -40 VOUT=1.2V 300 -40 120 -20 0 o 18 16 16 14 12 AP2318-ADJ VIN=2.8V 10 VOUT=0.8V Supply Current (mA) Supply Current (mA) 20 18 ADJ short to GND o TC=25 C o TC=-40 C 4 o TC=125 C 2 0 0 150 300 450 600 750 900 1050 60 80 100 120 Figure 17. Supply current vs. Case Temperature (Conditions: VOUT=1.2V, R1=3kΩ, R2=6.2kΩ) 20 6 40 Case Temperature ( C) Figure 16. Supply Current vs. Case Temperature (Conditions: VOUT=0.8V, ADJ Short to GND) 8 20 o Case Temperature ( C) 1200 1350 1500 Output Current (mA) 14 AP2318-ADJ VIN=3.2V 12 10 VOUT=1.2V R1=3kΩ R2=6.2kΩ 8 6 o TC=25 C o 4 TC=-40 C 2 TC=125 C 0 o 0 150 300 450 600 750 900 1050 1200 1350 1500 Output Current (mA) Figure 18. Supply Current vs. Output Current (Conditions: VOUT=0.8V, ADJ Short to GND) Figure 19. Supply Current vs. Output Current (Conditions: VOUT=1.2V, R1=3kΩ, R2=6.2kΩ) Dec. 2010 Rev. 1. 5 BCD Semiconductor Manufacturing Limited 9 Data Sheet AP1117M AP2318 600mA LOW DROPOUT LINEAR REGULATOR 600mA ULDO REGULATOR WITH ENABLE 20 20 18 18 16 16 Supply Current (mA) Supply Current (mA) Typical Performance Characteristics (Continued) 14 AP2318-ADJ VOUT=0.8V 12 ADJ short to GND o TC=25 C 10 8 VIN=3.2V 6 VIN=8V VIN=12V 4 2 0 14 AP2318-ADJ VOUT=1.2V 12 R1=3kΩ R2=6.2kΩ o TC=25 C 10 8 6 VIN=3.2V 4 VIN=2.5V VIN=12V 2 0 150 300 450 600 750 900 1050 1200 1350 0 1500 Output Current (mA) 0 150 300 450 600 750 900 1050 1200 1350 1500 Output Current (mA) Figure 21. Supply Current vs. Output Current (Conditions: VOUT=1.2V, R1=3kΩ, R2=6.2kΩ) ∆VOUT (100mV/Div) ∆VOUT (50mV/Div) IOUT (200mA/Div) IOUT (100mA/Div) Figure 20. Supply Current vs. Output Current (Conditions: VOUT=0.8V, ADJ Short to GND) Time (200µs/Div) Time (200µs/Div) Figure 22. Load Transient Response (Conditions: VIN=2.5V, VOUT=1.3V, IOUT=1mA to 300mA, CIN=1µF, COUT=2.2µF) Dec. 2010 Rev. 1. 5 Figure 23. Load Transient Response (Conditions: VIN=2.5V, VOUT=1.8V, IOUT=1mA to 600mA, CIN=1µF, COUT=2.2µF) BCD Semiconductor Manufacturing Limited 10 Data Sheet AP1117M AP2318 600mA LOW DROPOUT LINEAR REGULATOR 600mA ULDO REGULATOR WITH ENABLE ∆VIN (50mV/Div) ∆VIN (50mV/Div) ∆VOUT (5V/Div) ∆VOUT (2V/Div) Typical Performance Characteristics (Continued) Figure 25. Line Transient Response (Conditions: VIN=2.5V to 5V, VOUT=0.8V, IOUT=10mA, CIN=0µF, COUT=2.2µF) (Conditions: VIN=2.5V to 10V, VOUT=0.8V, IOUT=10mA, CIN=0µF, COUT=2.2µF) 100 100 90 90 80 80 70 70 60 60 PSRR (dB) PSRR (dB) Figure 24. Line Transient Response 50 40 50 40 AP2318-ADJ VOUT=1.2V 30 AP2318-ADJ VOUT=0.8V 20 VIN=3 to 4V 20 VIN=3 to 4V 10 CIN=1µF, COUT=2.2µF 10 30 0 10 ILOAD=10mA 100 1k 10k 0 10 100k Frequency (Hz) CIN=1µF, COUT=2.2µF ILOAD=10mA 100 1k 10k 100k Frequency (Hz) Figure 27. PSRR vs. Frequency Figure 26. PSRR vs. Frequency Dec. 2010 Rev. 1. 5 BCD Semiconductor Manufacturing Limited 11 Data Sheet AP1117M AP2318 600mA LOW DROPOUT LINEAR REGULATOR 600mA ULDO REGULATOR WITH ENABLE Typical Performance Characteristics (Continued) 1.4 1.2 1.1 1.2 1.0 Output Voltage (V) Power Dissipation (W) 0.9 0.8 0.7 AP2318-ADJ VIN=3.2V 0.6 VOUT=1.2V 0.5 0.2 R1=3kΩ R2=6.2kΩ SOIC-8 CIN=1µF 0.1 COUT=2.2µF 0.4 0.3 0.0 30 40 1.0 AP2318-ADJ VOUT=1.2V 0.8 VIN=3.3V 0.6 R1=3kΩ R2=6.2kΩ o TC=25 C 0.4 IOUT=10mA 50 0.2 60 70 80 90 100 110 0.0 0.0 120 o 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 Enable Input Voltage (V) Ambient Temperature ( C) Figure 29. Output Voltage vs. Enable Input Voltage (Conditions: VOUT=1.2V, R1=3kΩ, R2=6.2kΩ) Figure 28. Power Dissipation vs. Ambient Temperature (Conditions: VOUT=1.2V, R1=3kΩ, R2=6.2kΩ) Dec. 2010 Rev. 1. 5 BCD Semiconductor Manufacturing Limited 12 Data Sheet AP1117M AP2318 600mA LOW DROPOUT LINEAR REGULATOR 600mA ULDO REGULATOR WITH ENABLE Typical Applications VOUT VIN VIN VOUT AP2318-ADJ ADJ/ NC EN CIN 1µF GND + R1 + COUT 2.2µF R2 Figure 30. Typical Applications of AP2318 ADJ Version, VOUT=0.8*(R1+R2)/R2 VIN=3.3V VOUT=1.3V VIN VOUT AP2318-1.3 EN CIN 1µF + GND ADJ/ NC + COUT 2.2µF Figure 31. Typical Applications of AP2318 Fixed 1.3V Version, VOUT=1.3V Dec. 2010 Rev. 1. 5 BCD Semiconductor Manufacturing Limited 13 Data Sheet AP1117M AP2318 600mA LOW DROPOUT LINEAR REGULATOR 600mA ULDO REGULATOR WITH ENABLE Mechanical Dimensions SOIC-8 4.700(0.185) 5.100(0.201) 7° Unit: mm(inch) 0.320(0.013) 1.350(0.053) 1.750(0.069) 8° 8° 7° 0.675(0.027) 0.725(0.029) D 5.800(0.228) 1.270(0.050) 6.200(0.244) TYP D 20:1 0.100(0.004) R0.150(0.006) 0.300(0.012) 0.800(0.031) φ 0.200(0.008) 0° 8° 1.000(0.039) 3.800(0.150) 4.000(0.157) 0.330(0.013) 0.510(0.020) 0.190(0.007) 0.250(0.010) 0.900(0.035) 1° 5° R0.150(0.006) 0.450(0.017) 0.800(0.031) Note: Eject hole, oriented hole and mold mark is optional. Dec. 2010 Rev. 1. 5 BCD Semiconductor Manufacturing Limited 14 Data Sheet AP1117M AP2318 600mA LOW DROPOUT LINEAR REGULATOR 600mA ULDO REGULATOR WITH ENABLE Mechanical Dimensions (Continued) DFN-3x3-8 Unit: mm(inch) 0.180(0.007) 0.300(0.012) 2.900(0.114) 3.100(0.122) N5 0.650(0.026) BSC N8 0.375(0.015) 0.575(0.023) 2.900(0.114) 1.400(0.055) 3.100(0.122) 1.600(0.063) 2.200(0.087) 2.400(0.094) Pin 1 Dot by Marking PIN #1 IDENTIFICATION N4 N1 0.153(0.006) 0.253(0.010) 0.000(0.000) 0.700(0.028) 0.050(0.002) 0.800(0.031) Dec. 2010 Rev. 1. 5 BCD Semiconductor Manufacturing Limited 15 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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