Datasheet ADP2165, ADP2166 (Analog Devices) - 8
| Hersteller | Analog Devices |
| Beschreibung | 5.5 V, 6 A, High Efficiency, Step-Down DC-to-DC Regulators with Output Tracking |
| Seiten / Seite | 23 / 8 — ADP2165/ADP2166. Data Sheet. TYPICAL PERFORMANCE CHARACTERISTICS. 100. … |
| Revision | B |
| Dateiformat / Größe | PDF / 679 Kb |
| Dokumentensprache | Englisch |
ADP2165/ADP2166. Data Sheet. TYPICAL PERFORMANCE CHARACTERISTICS. 100. VOUT = 2.5V. OUT = 3.3V. OUT = 2.5V. VOUT = 1.8V. OUT = 1.8V
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ADP2165/ADP2166 Data Sheet TYPICAL PERFORMANCE CHARACTERISTICS
TA = 25°C, VPVIN = VAVIN = 5 V, VOUT = 1.2 V, L = 1 µH, CIN = 47 µF, COUT = 100 µF, fSW = 600 kHz, unless otherwise noted.
100 100 VOUT = 2.5V V V OUT = 3.3V OUT = 2.5V 95 95 90 90 VOUT = 1.8V V 85 V OUT = 1.8V OUT = 1.5V 85 VOUT = 1.5V VOUT = 1.2V VOUT = 1.2V %) %) ( 80 V V OUT = 1.0V ( 80 OUT = 1.0V NCY 75 NCY E 75 E ICI ICI F 70 F 70 F F E E 65 65 60 60 55 55 INDUCTOR: WÜRTH ELEKTRONIK 744311100 INDUCTOR: WÜRTH ELEKTRONIK 744311100 50 50 0 1 2 3 4 5 6
104
0 1 2 3 4 5 6
107
OUTPUT CURRENT (A)
10956-
OUTPUT CURRENT (A)
10956- Figure 5. Efficiency (fSW = 600 kHz, VPVIN = 3.3 V) vs. Output Current Figure 8. Efficiency (fSW = 600 kHz, VPVIN = 5 V) vs. Output Current
100 100 V V V OUT = 3.3V OUT = 2.5V OUT = 2.5V 95 95 90 90 85 85 V V OUT = 1.8V OUT = 1.5V V %) %) OUT = 1.5V ( 80 VOUT = 1.2V ( 80 V VOUT = 1.2V OUT = 1.8V VOUT = 1.0V VOUT = 1.0V NCY 75 NCY E 75 E ICI ICI F 70 F 70 F F E E 65 65 60 60 55 55 INDUCTOR: WÜRTH ELEKTRONIK 744314047 INDUCTOR: WÜRTH ELEKTRONIK 744314047 50 50 0 1 2 3 4 5 6
105
0 1 2 3 4 5 6
108
OUTPUT CURRENT (A)
10956-
OUTPUT CURRENT (A)
10956- Figure 6. Efficiency (fSW = 1.2 MHz, VPVIN = 3.3 V) vs. Output Current Figure 9. Efficiency (fSW = 1.2 MHz, VPVIN = 5 V) vs. Output Current
2.3 40 2.2 35 2.1 A) +125ºC mA) µ ( ( +125ºC 30 NT 2.0 NT +25ºC 1.9 25 CURRE –40ºC N CURRE NT W +25ºC 1.8 CE S DO 20 E UI 1.7 HUT Q S –40ºC 15 1.6 1.5 10 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
106
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
109
VPVIN (V)
10956-
V PVIN (V)
10956- Figure 7. Quiescent Current vs. VPVIN (No Switching) Figure 10. Shutdown Current vs. VPVIN Rev. B | Page 8 of 23 Document Outline Features Applications General Description Typical Application Circuit Revision History Functional Block Diagram Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Control Scheme PWM Mode Enable/Shutdown Internal Regulator (VREG) Bootstrap Circuitry Oscillator and Synchronization Soft Start Tracking Power-Good (PGOOD) Peak Current-Limit and Short-Circuit Protection Overvoltage Protection Undervoltage Lockout Thermal Shutdown Applications Information ADIsimPower Design Tool Input Capacitor Selection Output Voltage Setting Voltage Conversion Limitations Inductor Selection Output Capacitor Selection Compensation Design Design Example Output Voltage Setting Frequency Setting Inductor Selection Output Capacitor Selection Compensation Components Soft Start Time Program Input Capacitor Selection Recommended External Components Printed Circuit Board Layout Recommendations Reference Designs Outline Dimensions Ordering Guide
TA = 25°C, VPVIN = VAVIN = 5 V, VOUT = 1.2 V, L = 1 µH, CIN = 47 µF, COUT = 100 µF, fSW = 600 kHz, unless otherwise noted.
100 100 VOUT = 2.5V V V OUT = 3.3V OUT = 2.5V 95 95 90 90 VOUT = 1.8V V 85 V OUT = 1.8V OUT = 1.5V 85 VOUT = 1.5V VOUT = 1.2V VOUT = 1.2V %) %) ( 80 V V OUT = 1.0V ( 80 OUT = 1.0V NCY 75 NCY E 75 E ICI ICI F 70 F 70 F F E E 65 65 60 60 55 55 INDUCTOR: WÜRTH ELEKTRONIK 744311100 INDUCTOR: WÜRTH ELEKTRONIK 744311100 50 50 0 1 2 3 4 5 6
104
0 1 2 3 4 5 6
107
OUTPUT CURRENT (A)
10956-
OUTPUT CURRENT (A)
10956- Figure 5. Efficiency (fSW = 600 kHz, VPVIN = 3.3 V) vs. Output Current Figure 8. Efficiency (fSW = 600 kHz, VPVIN = 5 V) vs. Output Current
100 100 V V V OUT = 3.3V OUT = 2.5V OUT = 2.5V 95 95 90 90 85 85 V V OUT = 1.8V OUT = 1.5V V %) %) OUT = 1.5V ( 80 VOUT = 1.2V ( 80 V VOUT = 1.2V OUT = 1.8V VOUT = 1.0V VOUT = 1.0V NCY 75 NCY E 75 E ICI ICI F 70 F 70 F F E E 65 65 60 60 55 55 INDUCTOR: WÜRTH ELEKTRONIK 744314047 INDUCTOR: WÜRTH ELEKTRONIK 744314047 50 50 0 1 2 3 4 5 6
105
0 1 2 3 4 5 6
108
OUTPUT CURRENT (A)
10956-
OUTPUT CURRENT (A)
10956- Figure 6. Efficiency (fSW = 1.2 MHz, VPVIN = 3.3 V) vs. Output Current Figure 9. Efficiency (fSW = 1.2 MHz, VPVIN = 5 V) vs. Output Current
2.3 40 2.2 35 2.1 A) +125ºC mA) µ ( ( +125ºC 30 NT 2.0 NT +25ºC 1.9 25 CURRE –40ºC N CURRE NT W +25ºC 1.8 CE S DO 20 E UI 1.7 HUT Q S –40ºC 15 1.6 1.5 10 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
106
2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
109
VPVIN (V)
10956-
V PVIN (V)
10956- Figure 7. Quiescent Current vs. VPVIN (No Switching) Figure 10. Shutdown Current vs. VPVIN Rev. B | Page 8 of 23 Document Outline Features Applications General Description Typical Application Circuit Revision History Functional Block Diagram Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Control Scheme PWM Mode Enable/Shutdown Internal Regulator (VREG) Bootstrap Circuitry Oscillator and Synchronization Soft Start Tracking Power-Good (PGOOD) Peak Current-Limit and Short-Circuit Protection Overvoltage Protection Undervoltage Lockout Thermal Shutdown Applications Information ADIsimPower Design Tool Input Capacitor Selection Output Voltage Setting Voltage Conversion Limitations Inductor Selection Output Capacitor Selection Compensation Design Design Example Output Voltage Setting Frequency Setting Inductor Selection Output Capacitor Selection Compensation Components Soft Start Time Program Input Capacitor Selection Recommended External Components Printed Circuit Board Layout Recommendations Reference Designs Outline Dimensions Ordering Guide