Datasheet ADP2302, ADP2303 (Analog Devices) - 7

Data Sheet ADP2302/ADP2303 0.20 0.20 0.15 0.15 0.10 ) ) 0.10 % % ( ( 0.05 ON ON 0.05 TI TI A A L 0 L U 0 GU G E E R –0.05 R E –0.05 D N LI –0.10 LOA –0.10 –0.15 –0.15 –0.20 –0.20 5 8 11 14 17 20
010
0 0.5 1.0 1.5 2.0
013 33- 33-
VIN (V) OUTPUT CURRENT (A)
088 088 Figure 10. ADP2302 Line Regulation, VOUT = 3.3 V, IOUT = 2 A Figure 13. ADP2302 Load Regulation, VOUT = 3.3V, VIN = 12 V
0.20 0.20 0.15 0.15 0.10 ) 0.10 ) % % ( ( N 0.05 O 0.05 ON TI TI A A L 0 L U U 0 G G E RE –0.05 R –0.05 D INE A L –0.10 LO –0.10 –0.15 –0.15 –0.20
11
–0.20 5 8 11 14 17 20
0
0 0.5 1.0 1.5 2.0 2.5 3.0
014
V
833- 33-
IN (V)
08
OUTPUT CURRENT (A)
088 Figure 11. ADP2303 Line Regulation, VOUT = 3.3 V , IOUT = 3 A Figure 14. ADP2303 Load Regulation, VOUT = 3.3 V, VIN = 12 V
50 900 45 850 40 A) A) 800 μ (μ 35 ( T T N N 750 30 RE RRE 25 700 CU N CUR T W N 20 CE 650 DO S E UT 15 H UI 600 T S Q J = –40°C 10 TJ = –40°C TJ = +25°C TJ = +25°C 550 TJ = +125°C 5 TJ = +125°C 0 500 2 4 6 8 10 12 14 16 18 20 2 4 6 8 10 12 14 16 18 20
15 0 012
V VIN (V) IN (V)
8833- 8833- 0 0 Figure 12. Shutdown Current vs. VIN Figure 15. Quiescent Current vs. VIN Rev. A | Page 7 of 28 Document Outline Features Applications Typical Applications Circuit General Description Revision History Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Functional Block Diagram Theory of Operation Basic Operation PWM Mode Power Saving Mode Bootstrap Circuitry Precision Enable Integrated Soft Start Current Limit Short-Circuit Protection Undervoltage Lockout (UVLO) Thermal Shutdown (TSD) Overvoltage Protection (OVP) Power Good Control Loop Applications Information ADIsimPower Design Tool Programming Output Voltage Voltage Conversion Limitations Low Input Voltage Considerations Programming the Precision Enable Inductor Catch Diode Input Capacitor Output Capacitor Thermal Consideration Design Example Catch Diode Selection Inductor Selection Output Capacitor Selection Resistive Voltage Divider Selection Circuit Board Layout Recommendations Typical Application Circuits Outline Dimensions Ordering Guide