Datasheet ADP2302, ADP2303 (Analog Devices) - 6
| Hersteller | Analog Devices |
| Beschreibung | 3A, 700KHz NonSynchronous Step-Down DC-DC Switching Regulator |
| Seiten / Seite | 28 / 6 — ADP2302/ADP2303. Data Sheet. TYPICAL PERFORMANCE CHARACTERISTICS. 100. Y … |
| Revision | A |
| Dateiformat / Größe | PDF / 1.0 Mb |
| Dokumentensprache | Englisch |
ADP2302/ADP2303. Data Sheet. TYPICAL PERFORMANCE CHARACTERISTICS. 100. Y C N. NCY. OUT = 2.5V. OUT = 1.5V. FFIC. OUT = 3.3V. OUT = 1.8V
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ADP2302/ADP2303 Data Sheet TYPICAL PERFORMANCE CHARACTERISTICS
VIN = 3.3 V, TA = 25°C, unless otherwise noted.
100 100 90 90 ) 80 ) 80 % % ( ( Y C N 70 NCY 70 IE V IE OUT = 2.5V V IC OUT = 1.5V V F V FFIC OUT = 3.3V F OUT = 1.8V E E V 60 VOUT = 5.0V 60 OUT = 2.5V VOUT = 3.3V VOUT = 5.0V 50 50 INDUCTOR: VLF10040T-6R8N4R5 INDUCTOR: VLF10040T-4R7N5R4 DIODE: SSB43L DIODE: SSB43L 40 40
7
0 0.5 1.0 1.5 2.0 2.5 3.0 0 0.5 1.0 1.5 2.0 2.5 3.0
00 -004 3-
OUTPUT CURRENT (A) OUTPUT CURRENT (A)
83 8833 0 08 Figure 4. ADP2303 Efficiency, VIN = 18 V Figure 7. ADP2303 Efficiency, VIN = 12 V
100 100 90 90 ) 80 ) 80 % % ( ( Y Y C C N N 70 70 IE IE V C OUT = 2.5V V IC OUT = 1.2V F VOUT = 3.3V FFI E VOUT = 1.5V EF V 60 OUT = 5.0V V 60 OUT = 1.8V VOUT = 2.5V 50 50 INDUCTOR: VLF10040T-2R2N7R1 INDUCTOR: VLF10040T-6R8N4R5 DIODE: SSB43L DIODE: SSB43L 40 40 0 0.5 1.0 1.5 2.0 2.5 3.0 0 0.5 1.0 1.5 2.0
08 05 0 -0 33
OUTPUT CURRENT (A) OUTPUT CURRENT (A)
8833- 088 0 Figure 5. ADP2303 Efficiency, VIN = 5 V Figure 8. ADP2302 Efficiency, VIN = 18 V
100 100 90 90 ) 80 ) 80 % % ( ( Y Y C C N 70 N 70 IE IE VOUT = 1.5V C VOUT = 1.2V FFIC VOUT = 1.8V FFI E VOUT = 1.5V 60 VOUT = 2.5V E 60 V V OUT = 1.8V OUT = 3.3V V V OUT = 2.5V OUT = 5.0V 50 50 INDUCTOR: VLF10040T-6R8N4R5 INDUCTOR: VLF10040T-3R3N6R2 DIODE: SSB43L DIODE: SSB43L 40 40 0 0.5 1.0 1.5 2.0
009 -006
0 0.5 1.0 1.5 2.0
33-
OUTPUT CURRENT (A)
833
OUTPUT CURRENT (A)
8 088 0 Figure 6. ADP2302 Efficiency, VIN = 12 V Figure 9. ADP2302 Efficiency, VIN = 5 V Rev. A | Page 6 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
VIN = 3.3 V, TA = 25°C, unless otherwise noted.
100 100 90 90 ) 80 ) 80 % % ( ( Y C N 70 NCY 70 IE V IE OUT = 2.5V V IC OUT = 1.5V V F V FFIC OUT = 3.3V F OUT = 1.8V E E V 60 VOUT = 5.0V 60 OUT = 2.5V VOUT = 3.3V VOUT = 5.0V 50 50 INDUCTOR: VLF10040T-6R8N4R5 INDUCTOR: VLF10040T-4R7N5R4 DIODE: SSB43L DIODE: SSB43L 40 40
7
0 0.5 1.0 1.5 2.0 2.5 3.0 0 0.5 1.0 1.5 2.0 2.5 3.0
00 -004 3-
OUTPUT CURRENT (A) OUTPUT CURRENT (A)
83 8833 0 08 Figure 4. ADP2303 Efficiency, VIN = 18 V Figure 7. ADP2303 Efficiency, VIN = 12 V
100 100 90 90 ) 80 ) 80 % % ( ( Y Y C C N N 70 70 IE IE V C OUT = 2.5V V IC OUT = 1.2V F VOUT = 3.3V FFI E VOUT = 1.5V EF V 60 OUT = 5.0V V 60 OUT = 1.8V VOUT = 2.5V 50 50 INDUCTOR: VLF10040T-2R2N7R1 INDUCTOR: VLF10040T-6R8N4R5 DIODE: SSB43L DIODE: SSB43L 40 40 0 0.5 1.0 1.5 2.0 2.5 3.0 0 0.5 1.0 1.5 2.0
08 05 0 -0 33
OUTPUT CURRENT (A) OUTPUT CURRENT (A)
8833- 088 0 Figure 5. ADP2303 Efficiency, VIN = 5 V Figure 8. ADP2302 Efficiency, VIN = 18 V
100 100 90 90 ) 80 ) 80 % % ( ( Y Y C C N 70 N 70 IE IE VOUT = 1.5V C VOUT = 1.2V FFIC VOUT = 1.8V FFI E VOUT = 1.5V 60 VOUT = 2.5V E 60 V V OUT = 1.8V OUT = 3.3V V V OUT = 2.5V OUT = 5.0V 50 50 INDUCTOR: VLF10040T-6R8N4R5 INDUCTOR: VLF10040T-3R3N6R2 DIODE: SSB43L DIODE: SSB43L 40 40 0 0.5 1.0 1.5 2.0
009 -006
0 0.5 1.0 1.5 2.0
33-
OUTPUT CURRENT (A)
833
OUTPUT CURRENT (A)
8 088 0 Figure 6. ADP2302 Efficiency, VIN = 12 V Figure 9. ADP2302 Efficiency, VIN = 5 V Rev. A | Page 6 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