Datasheet ADP2108 (Analog Devices) - 8
| Fabricante | Analog Devices |
| Descripción | Compact, 600 mA, 3 MHz, Step-Down DC-to-DC Converter |
| Páginas / Página | 20 / 8 — ADP2108. Data Sheet. VIN. VOUT. CH1 50mV. M 40µs. A CH3 3.26V. A CH3 … |
| Revisión | H |
| Formato / tamaño de archivo | PDF / 1.1 Mb |
| Idioma del documento | Inglés |
ADP2108. Data Sheet. VIN. VOUT. CH1 50mV. M 40µs. A CH3 3.26V. A CH3 4.4V. CH3 1V. CH4 2V. T 10.80%. OUT. CH1 20mV. CH2 200mA Ω. A CH2 36mA. T 19.80%
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ADP2108 Data Sheet VIN VIN 3 3 SW SW 4 4 VOUT 1 VOUT 1
26 29 0 0 5- 5- 37 737 0 07
CH1 50mV M 40µs A CH3 3.26V CH1 50mV M 40µs A CH3 4.4V CH3 1V CH4 2V T 10.80% CH3 1V CH4 2V T 10.80%
Figure 16. Line Transient, VOUT = 1.8 V, Power Save Mode, 20 mA Figure 19. Line Transient, VOUT = 3.3 V, PWM, 200 mA
SW VIN 4 SW VOUT 1 3 4 VOUT I 2 OUT 1
7 30 02 0 5- 5- 37 737 0 07
CH1 20mV M 40µs A CH3 3.26V CH1 50mV CH2 200mA Ω M 40µs A CH2 36mA CH3 1V CH4 2V T 10.80% CH4 2V T 19.80%
Figure 17. Line Transient, VOUT = 1.8 V, PWM, 200 mA Figure 20. Load Transient, VOUT = 1.8 V, 300 mA to 600 mA
VIN 4 SW SW 1 3 VOUT 4 IOUT VOUT 2 1
28 31 0 0 5- 5- 37 37 07 07
CH1 50mV M 40µs A CH3 3.26V CH1 50mV CH2 250mA M 40µs A CH2 5mA CH3 1V CH4 2V T 10.80% CH4 2V T 25.4%
Figure 18. Line Transient, VOUT = 1.0 V, PWM, 200 mA Figure 21. Load Transient, VOUT = 1.8 V, 50 mA to 300 mA Rev. H | Page 8 of 20 Document Outline Features Applications General Description Typical Applications Circuit Table of Contents Revision History Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Control Scheme PWM Mode Power Save Mode Power Save Mode Current Threshold Enable/Shutdown Short-Circuit Protection Undervoltage Lockout Thermal Protection Soft Start Current Limit 100% Duty Operation Applications Information ADIsimPower Design Tool External Component Selection Inductor Output Capacitor Input Capacitor Thermal Considerations PCB Layout Guidelines Evaluation Board Outline Dimensions Ordering Guide
26 29 0 0 5- 5- 37 737 0 07
CH1 50mV M 40µs A CH3 3.26V CH1 50mV M 40µs A CH3 4.4V CH3 1V CH4 2V T 10.80% CH3 1V CH4 2V T 10.80%
Figure 16. Line Transient, VOUT = 1.8 V, Power Save Mode, 20 mA Figure 19. Line Transient, VOUT = 3.3 V, PWM, 200 mA
SW VIN 4 SW VOUT 1 3 4 VOUT I 2 OUT 1
7 30 02 0 5- 5- 37 737 0 07
CH1 20mV M 40µs A CH3 3.26V CH1 50mV CH2 200mA Ω M 40µs A CH2 36mA CH3 1V CH4 2V T 10.80% CH4 2V T 19.80%
Figure 17. Line Transient, VOUT = 1.8 V, PWM, 200 mA Figure 20. Load Transient, VOUT = 1.8 V, 300 mA to 600 mA
VIN 4 SW SW 1 3 VOUT 4 IOUT VOUT 2 1
28 31 0 0 5- 5- 37 37 07 07
CH1 50mV M 40µs A CH3 3.26V CH1 50mV CH2 250mA M 40µs A CH2 5mA CH3 1V CH4 2V T 10.80% CH4 2V T 25.4%
Figure 18. Line Transient, VOUT = 1.0 V, PWM, 200 mA Figure 21. Load Transient, VOUT = 1.8 V, 50 mA to 300 mA Rev. H | Page 8 of 20 Document Outline Features Applications General Description Typical Applications Circuit Table of Contents Revision History Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Control Scheme PWM Mode Power Save Mode Power Save Mode Current Threshold Enable/Shutdown Short-Circuit Protection Undervoltage Lockout Thermal Protection Soft Start Current Limit 100% Duty Operation Applications Information ADIsimPower Design Tool External Component Selection Inductor Output Capacitor Input Capacitor Thermal Considerations PCB Layout Guidelines Evaluation Board Outline Dimensions Ordering Guide