Datasheet ADP2300, ADP2301 (Analog Devices) - 6
| Fabricante | Analog Devices |
| Descripción | 1.2 A, 20 V, 1.4 MHz non-synchronous step-down switching regulator |
| Páginas / Página | 28 / 6 — ADP2300/ADP2301. Data Sheet. TYPICAL PERFORMANCE CHARACTERISTICS. 100. … |
| Revisión | C |
| Formato / tamaño de archivo | PDF / 616 Kb |
| Idioma del documento | Inglés |
ADP2300/ADP2301. Data Sheet. TYPICAL PERFORMANCE CHARACTERISTICS. 100. INDUCTOR: LPS6225-103MLC DIODE: B230A. FFIC. VOUT = 5.0V
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ADP2300/ADP2301 Data Sheet TYPICAL PERFORMANCE CHARACTERISTICS
VIN = 3.3 V, TA = 25°C, VEN = VIN, unless otherwise noted.
100 100 INDUCTOR: LPS6225-103MLC DIODE: B230A 90 90 80 80 %) %) ( ( Y Y C C N 70 N 70 IE IE FFIC FFIC E 60 E 60 V VOUT = 5.0V 50 OUT = 12V 50 V V OUT = 3.3V OUT = 9V VOUT = 2.5V INDUCTOR: LPS6225-472MLC VOUT = 5.0V VOUT = 1.8V DIODE: B230A VOUT = 3.3V VOUT = 1.2V 40 40 0 0.2 0.4 0.6 0.8 1.0 1.2
070
0 0.2 0.4 0.6 0.8 1.0 1.2
073
IOUT (A) I
08342-
OUT (A)
08342- Figure 4. Efficiency Curve, V Figure 7. Efficiency Curve, V IN = 18 V, fSW = 1.4 MHz IN = 12 V, fSW = 700 kHz
100 100 INDUCTOR: LPS6225-472MLC DIODE: B230A 90 90 80 80 %) %) ( ( Y Y C C N 70 N 70 IE IE FFIC FFIC E E 60 60 V 50 OUT = 12V 50 VOUT = 9V VOUT = 2.5V V INDUCTOR: LPS6225-103MLC OUT = 5.0V VOUT = 1.8V DIODE: B230A V V OUT = 3.3V OUT = 1.2V 40 40 0 0.2 0.4 0.6 0.8 1.0 1.2 0 0.2 0.4 0.6 0.8 1.0 1.2
071 074
IOUT (A) IOUT (A)
08342- 08342- Figure 5. Efficiency Curve, V Figure 8. Efficiency Curve, V IN = 18 V, fSW = 700 kHz IN = 5.0 V, fSW = 1.4 MHz
100 100 INDUCTOR: LPS6225-103MLC DIODE: B230A 90 90 80 80 %) %) ( ( Y Y C C N 70 N 70 IE IE FFIC FFIC E 60 E 60 50 50 VOUT = 5.0V VOUT = 2.5V INDUCTOR: LPS6225-472MLC VOUT = 3.3V VOUT = 1.8V DIODE: B230A VOUT = 2.5V VOUT = 1.2V 40 40 0 0.2 0.4 0.6 0.8 1.0 1.2 0 0.2 0.4 0.6 0.8 1.0 1.2
072 075
IOUT (A) I
08342-
OUT (A)
08342- Figure 6. Efficiency Curve, VIN = 12 V, fSW = 1.4 MHz Figure 9. Efficiency Curve, VIN = 5.0 V, fSW = 700 kHz Rev. C | 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 Control Loop Applications Information ADIsimPower Design Tool Programming the Output Voltage Voltage Conversion Limitations Low Input Voltage Considerations Programming the Precision Enable Inductor Catch Diode Input Capacitor Output Capacitor Thermal Considerations Design Example Switching Frequency Selection 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, VEN = VIN, unless otherwise noted.
100 100 INDUCTOR: LPS6225-103MLC DIODE: B230A 90 90 80 80 %) %) ( ( Y Y C C N 70 N 70 IE IE FFIC FFIC E 60 E 60 V VOUT = 5.0V 50 OUT = 12V 50 V V OUT = 3.3V OUT = 9V VOUT = 2.5V INDUCTOR: LPS6225-472MLC VOUT = 5.0V VOUT = 1.8V DIODE: B230A VOUT = 3.3V VOUT = 1.2V 40 40 0 0.2 0.4 0.6 0.8 1.0 1.2
070
0 0.2 0.4 0.6 0.8 1.0 1.2
073
IOUT (A) I
08342-
OUT (A)
08342- Figure 4. Efficiency Curve, V Figure 7. Efficiency Curve, V IN = 18 V, fSW = 1.4 MHz IN = 12 V, fSW = 700 kHz
100 100 INDUCTOR: LPS6225-472MLC DIODE: B230A 90 90 80 80 %) %) ( ( Y Y C C N 70 N 70 IE IE FFIC FFIC E E 60 60 V 50 OUT = 12V 50 VOUT = 9V VOUT = 2.5V V INDUCTOR: LPS6225-103MLC OUT = 5.0V VOUT = 1.8V DIODE: B230A V V OUT = 3.3V OUT = 1.2V 40 40 0 0.2 0.4 0.6 0.8 1.0 1.2 0 0.2 0.4 0.6 0.8 1.0 1.2
071 074
IOUT (A) IOUT (A)
08342- 08342- Figure 5. Efficiency Curve, V Figure 8. Efficiency Curve, V IN = 18 V, fSW = 700 kHz IN = 5.0 V, fSW = 1.4 MHz
100 100 INDUCTOR: LPS6225-103MLC DIODE: B230A 90 90 80 80 %) %) ( ( Y Y C C N 70 N 70 IE IE FFIC FFIC E 60 E 60 50 50 VOUT = 5.0V VOUT = 2.5V INDUCTOR: LPS6225-472MLC VOUT = 3.3V VOUT = 1.8V DIODE: B230A VOUT = 2.5V VOUT = 1.2V 40 40 0 0.2 0.4 0.6 0.8 1.0 1.2 0 0.2 0.4 0.6 0.8 1.0 1.2
072 075
IOUT (A) I
08342-
OUT (A)
08342- Figure 6. Efficiency Curve, VIN = 12 V, fSW = 1.4 MHz Figure 9. Efficiency Curve, VIN = 5.0 V, fSW = 700 kHz Rev. C | 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 Control Loop Applications Information ADIsimPower Design Tool Programming the Output Voltage Voltage Conversion Limitations Low Input Voltage Considerations Programming the Precision Enable Inductor Catch Diode Input Capacitor Output Capacitor Thermal Considerations Design Example Switching Frequency Selection Catch Diode Selection Inductor Selection Output Capacitor Selection Resistive Voltage Divider Selection Circuit Board Layout Recommendations Typical Application Circuits Outline Dimensions Ordering Guide