Datasheet ADP2119, ADP2120 (Analog Devices) - 7
| 制造商 | Analog Devices |
| 描述 | 1.25A, 1.2MHz Synchronous Step-Down DC-to-DC Regulator |
| 页数 / 页 | 24 / 7 — Data Sheet. ADP2119/ADP2120. TYPICAL PERFORMANCE CHARACTERISTICS. 100. … |
| 修订版 | A |
| 文件格式/大小 | PDF / 893 Kb |
| 文件语言 | 英语 |
Data Sheet. ADP2119/ADP2120. TYPICAL PERFORMANCE CHARACTERISTICS. 100. NCY. ICI. VOUT = 1.0V. OUT = 1.2V. VOUT = 1.2V. VOUT = 1.5V
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Data Sheet ADP2119/ADP2120 TYPICAL PERFORMANCE CHARACTERISTICS
TA = 25°C, VIN = VPVIN = 5 V, VOUT = 1.2 V, L = 1.5 µH, CIN = 22 µF, COUT = 2 × 22 µF, unless otherwise noted.
100 100 90 90 80 80 70 70 %) %) ( 60 ( 60 NCY 50 NCY E 50 E ICI ICI F 40 F 40 F F E E 30 30 VOUT = 1.0V VOUT = 1.0V 20 V 20 OUT = 1.2V VOUT = 1.2V VOUT = 1.5V VOUT = 1.5V 10 V 10 OUT = 1.8V V INDUCTOR SUMIDA OUT = 1.8V INDUCTOR SUMIDA V CDRH5D18BHPNP-1R5M OUT = 2.5V V CDRH5D18BHPNP-1R5M OUT = 2.5V 0 0 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
004
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
007
OUTPUT CURRENT (A) OUTPUT CURRENT (A)
08716- 08716- Figure 4. Efficiency (ADP2119, VIN = 3.3 V, FPWM) vs. Output Current Figure 7. Efficiency (ADP2119, VIN = 3.3 V, PFM) vs. Output Current
100 100 90 90 80 80 70 70 %) %) ( 60 ( 60 NCY 50 NCY E 50 E ICI ICI F 40 F 40 F F E E 30 VOUT = 1.0V 30 VOUT = 1.0V VOUT = 1.2V VOUT = 1.2V 20 V 20 OUT = 1.5V VOUT = 1.5V VOUT = 1.8V VOUT = 1.8V 10 V 10 OUT = 2.5V V INDUCTOR SUMIDA OUT = 2.5V INDUCTOR SUMIDA V CDRH5D18BHPNP-1R5M OUT = 3.3V V CDRH5D18BHPNP-1R5M OUT = 3.3V 0 0 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
005
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
008
OUTPUT CURRENT (A) OUTPUT CURRENT (A)
08716- 08716- Figure 5. Efficiency (ADP2119, VIN = 5 V, FPWM) vs. Output Current Figure 8. Efficiency (ADP2119, VIN = 5 V, PFM) vs. Output Current
100 100 90 90 80 80 70 70 %) %) ( 60 ( 60 NCY 50 NCY E 50 E ICI ICI F 40 F 40 F F E E 30 30 VOUT = 1.0V VOUT = 1.0V 20 VOUT = 1.2V 20 VOUT = 1.2V VOUT = 1.5V VOUT = 1.5V 10 V 10 OUT = 1.8V V INDUCTOR SUMIDA OUT = 1.8V INDUCTOR SUMIDA V CDRH5D18BHPNP-1R5M OUT = 2.5V V CDRH5D18BHPNP-1R5M OUT = 2.5V 0 0 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
006
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
009
OUTPUT CURRENT (A) OUTPUT CURRENT (A)
08716- 08716- Figure 6. Efficiency (ADP2120, VIN = 3.3 V, FPWM) vs. Output Current Figure 9. Efficiency (ADP2120, VIN = 3.3 V, PFM) vs. Output Current Rev. A | Page 7 of 24 Document Outline Features Applications Typical Application Circuit General Description Revision History Specifications Absolute Maximum Ratings Thermal Resistance Boundary Condition ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Functional Block Diagram Theory of Operation Control Scheme PWM Mode Operation PFM Mode Operation Slope Compensation Enable/Shutdown Integrated Soft Start Tracking Oscillator and Synchronization Current Limit and Short-Circuit Protection Overvoltage Protection (OVP) Undervoltage Lockout (UVLO) Thermal Shutdown Power Good (PGOOD) Applications Information ADIsimPower Design Tool Output Voltage Selection Inductor Selection Output Capacitor Selection Input Capacitor Selection Voltage Tracking Typical Application Circuits Outline Dimensions Ordering Guide
TA = 25°C, VIN = VPVIN = 5 V, VOUT = 1.2 V, L = 1.5 µH, CIN = 22 µF, COUT = 2 × 22 µF, unless otherwise noted.
100 100 90 90 80 80 70 70 %) %) ( 60 ( 60 NCY 50 NCY E 50 E ICI ICI F 40 F 40 F F E E 30 30 VOUT = 1.0V VOUT = 1.0V 20 V 20 OUT = 1.2V VOUT = 1.2V VOUT = 1.5V VOUT = 1.5V 10 V 10 OUT = 1.8V V INDUCTOR SUMIDA OUT = 1.8V INDUCTOR SUMIDA V CDRH5D18BHPNP-1R5M OUT = 2.5V V CDRH5D18BHPNP-1R5M OUT = 2.5V 0 0 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
004
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
007
OUTPUT CURRENT (A) OUTPUT CURRENT (A)
08716- 08716- Figure 4. Efficiency (ADP2119, VIN = 3.3 V, FPWM) vs. Output Current Figure 7. Efficiency (ADP2119, VIN = 3.3 V, PFM) vs. Output Current
100 100 90 90 80 80 70 70 %) %) ( 60 ( 60 NCY 50 NCY E 50 E ICI ICI F 40 F 40 F F E E 30 VOUT = 1.0V 30 VOUT = 1.0V VOUT = 1.2V VOUT = 1.2V 20 V 20 OUT = 1.5V VOUT = 1.5V VOUT = 1.8V VOUT = 1.8V 10 V 10 OUT = 2.5V V INDUCTOR SUMIDA OUT = 2.5V INDUCTOR SUMIDA V CDRH5D18BHPNP-1R5M OUT = 3.3V V CDRH5D18BHPNP-1R5M OUT = 3.3V 0 0 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
005
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0
008
OUTPUT CURRENT (A) OUTPUT CURRENT (A)
08716- 08716- Figure 5. Efficiency (ADP2119, VIN = 5 V, FPWM) vs. Output Current Figure 8. Efficiency (ADP2119, VIN = 5 V, PFM) vs. Output Current
100 100 90 90 80 80 70 70 %) %) ( 60 ( 60 NCY 50 NCY E 50 E ICI ICI F 40 F 40 F F E E 30 30 VOUT = 1.0V VOUT = 1.0V 20 VOUT = 1.2V 20 VOUT = 1.2V VOUT = 1.5V VOUT = 1.5V 10 V 10 OUT = 1.8V V INDUCTOR SUMIDA OUT = 1.8V INDUCTOR SUMIDA V CDRH5D18BHPNP-1R5M OUT = 2.5V V CDRH5D18BHPNP-1R5M OUT = 2.5V 0 0 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
006
0 0.2 0.4 0.6 0.8 1.0 1.2 1.4
009
OUTPUT CURRENT (A) OUTPUT CURRENT (A)
08716- 08716- Figure 6. Efficiency (ADP2120, VIN = 3.3 V, FPWM) vs. Output Current Figure 9. Efficiency (ADP2120, VIN = 3.3 V, PFM) vs. Output Current Rev. A | Page 7 of 24 Document Outline Features Applications Typical Application Circuit General Description Revision History Specifications Absolute Maximum Ratings Thermal Resistance Boundary Condition ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Functional Block Diagram Theory of Operation Control Scheme PWM Mode Operation PFM Mode Operation Slope Compensation Enable/Shutdown Integrated Soft Start Tracking Oscillator and Synchronization Current Limit and Short-Circuit Protection Overvoltage Protection (OVP) Undervoltage Lockout (UVLO) Thermal Shutdown Power Good (PGOOD) Applications Information ADIsimPower Design Tool Output Voltage Selection Inductor Selection Output Capacitor Selection Input Capacitor Selection Voltage Tracking Typical Application Circuits Outline Dimensions Ordering Guide