Datasheet ADP2114 (Analog Devices) - 9
| Fabricante | Analog Devices |
| Descripción | Configurable, Dual 2 A/Single 4 A, Synchronous Step-Down DC-to-DC Regulator |
| Páginas / Página | 37 / 9 — Data Sheet. ADP2114. 0.50. 0.25. IZ L. R, O. RRO. T –0.25. OUV. –0.50. … |
| Revisión | C |
| Formato / tamaño de archivo | PDF / 2.8 Mb |
| Idioma del documento | Inglés |
Data Sheet. ADP2114. 0.50. 0.25. IZ L. R, O. RRO. T –0.25. OUV. –0.50. 500. 1000. 1500. 2000. 2500. 3000. LOAD CURRENT (mA). 0.5. 0.4. 0.3. (% D. ED (. 0.2. 0.1. , NO
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Data Sheet ADP2114 0.50 0.50 ) ) (% % 0.25 ( D 0.25 D E E IZ IZ L AL A RM RM 0 0 NO NO R, R, O RRO RR E E T –0.25 T –0.25 OUV OUV –0.50 –0.50 0 500 1000 1500 2000 2500 3000
008
0 500 1000 1500 2000
011
LOAD CURRENT (mA)
8143-
LOAD CURRENT (mA)
8143- 0 0 Figure 8. Load Regulation, Channel 1: VIN = 5 V, fSW = 600 kHz, and TA = 25°C Figure 11. Load Regulation, Channel 2: VIN = 5 V, fSW = 300 kHz, and TA = 25°C
0.5 0.5 0.4 0.4 ) 0.3 ) % 0.3 (% D ED ( 0.2 E 0.2 IZ L IZ A 0.1 AL M 0.1 M R R 0 0 NO , NO R, R –0.1 –0.1 RO RO R R E –0.2 E –0.2 T T OUV –0.3 OUV –0.3 –0.4 –0.4 –0.5 –0.5 2.5 3.0 3.5 4.0 4.5 5.0 5.5
009
2.5 3.0 3.5 4.0 4.5 5.0 5.5
012
VIN (V) V
8143-
IN (V)
0 8143- 0 Figure 9. Line Regulation, Channel 1: Load Current = 3 A and fSW = 600 kHz Figure 12. Line Regulation, Channel 2: Load Current = 1 A and fSW = 600 kHz
1.00 1.00 0.75 0.75 0.50 0.50 ) ) % 0.25 (% 0.25 R ( V R IN = 5.5V, NO LOAD VIN = 5.5V, NO LOAD 0 RO RRO 0 R E T E T OU –0.25 OU –0.25 V V VIN = 2.75V; 3A LOAD V IN = 2.75V; 2A LOAD –0.50 –0.50 –0.75 –0.75 –1.00 –1.00 –50 –25 0 25 50 75 100 125
010
–50 –25 0 25 50 75 100 125
013
TEMPERATURE (°C)
8143-
TEMPERATURE (°C)
0 8143- 0 Figure 10. Output Voltage vs. Temperature, Figure 13. Output Voltage vs. Temperature, Channel 1: VOUT = 0.6 V and fSW = 600 kHz Channel 2: VOUT = 1.5 V and fSW = 600 kHz Rev. C | Page 9 of 37 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION TYPICAL APPLICATION CIRCUIT TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS SUPPLY CURRENT LOAD TRANSIENT RESPONSE BODE PLOTS SIMPLIFIED BLOCK DIAGRAM THEORY OF OPERATION ADIsimPower DESIGN TOOL CONTROL ARCHITECTURE UNDERVOLTAGE LOCKOUT (UVLO) ENABLE/DISABLE CONTROL SOFT START POWER GOOD PULSE SKIP MODE HICCUP MODE CURRENT LIMIT THERMAL OVERLOAD PROTECTION MAXIMUM DUTY CYCLE OPERATION SYNCHRONIZATION CONVERTER CONFIGURATION SELECTING THE OUTPUT VOLTAGE SETTING THE OSCILLATOR FREQUENCY SYNCHRONIZATION AND CLKOUT OPERATION MODE CONFIGURATION EXTERNAL COMPONENTS SELECTION INPUT CAPACITOR SELECTION VDD RC FILTER INDUCTOR SELECTION OUTPUT CAPACITOR SELECTION CONTROL LOOP COMPENSATION DESIGN EXAMPLE CHANNEL 1 CONFIGURATION AND COMPONENTS SELECTION CHANNEL 2 CONFIGURATION AND COMPONENTS SELECTION SYSTEM CONFIGURATION APPLICATION CIRCUITS POWER DISSIPATION, THERMAL CONSIDERATIONS CIRCUIT BOARD LAYOUT RECOMMENDATIONS OUTLINE DIMENSIONS ORDERING GUIDE
008
0 500 1000 1500 2000
011
LOAD CURRENT (mA)
8143-
LOAD CURRENT (mA)
8143- 0 0 Figure 8. Load Regulation, Channel 1: VIN = 5 V, fSW = 600 kHz, and TA = 25°C Figure 11. Load Regulation, Channel 2: VIN = 5 V, fSW = 300 kHz, and TA = 25°C
0.5 0.5 0.4 0.4 ) 0.3 ) % 0.3 (% D ED ( 0.2 E 0.2 IZ L IZ A 0.1 AL M 0.1 M R R 0 0 NO , NO R, R –0.1 –0.1 RO RO R R E –0.2 E –0.2 T T OUV –0.3 OUV –0.3 –0.4 –0.4 –0.5 –0.5 2.5 3.0 3.5 4.0 4.5 5.0 5.5
009
2.5 3.0 3.5 4.0 4.5 5.0 5.5
012
VIN (V) V
8143-
IN (V)
0 8143- 0 Figure 9. Line Regulation, Channel 1: Load Current = 3 A and fSW = 600 kHz Figure 12. Line Regulation, Channel 2: Load Current = 1 A and fSW = 600 kHz
1.00 1.00 0.75 0.75 0.50 0.50 ) ) % 0.25 (% 0.25 R ( V R IN = 5.5V, NO LOAD VIN = 5.5V, NO LOAD 0 RO RRO 0 R E T E T OU –0.25 OU –0.25 V V VIN = 2.75V; 3A LOAD V IN = 2.75V; 2A LOAD –0.50 –0.50 –0.75 –0.75 –1.00 –1.00 –50 –25 0 25 50 75 100 125
010
–50 –25 0 25 50 75 100 125
013
TEMPERATURE (°C)
8143-
TEMPERATURE (°C)
0 8143- 0 Figure 10. Output Voltage vs. Temperature, Figure 13. Output Voltage vs. Temperature, Channel 1: VOUT = 0.6 V and fSW = 600 kHz Channel 2: VOUT = 1.5 V and fSW = 600 kHz Rev. C | Page 9 of 37 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION TYPICAL APPLICATION CIRCUIT TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS SUPPLY CURRENT LOAD TRANSIENT RESPONSE BODE PLOTS SIMPLIFIED BLOCK DIAGRAM THEORY OF OPERATION ADIsimPower DESIGN TOOL CONTROL ARCHITECTURE UNDERVOLTAGE LOCKOUT (UVLO) ENABLE/DISABLE CONTROL SOFT START POWER GOOD PULSE SKIP MODE HICCUP MODE CURRENT LIMIT THERMAL OVERLOAD PROTECTION MAXIMUM DUTY CYCLE OPERATION SYNCHRONIZATION CONVERTER CONFIGURATION SELECTING THE OUTPUT VOLTAGE SETTING THE OSCILLATOR FREQUENCY SYNCHRONIZATION AND CLKOUT OPERATION MODE CONFIGURATION EXTERNAL COMPONENTS SELECTION INPUT CAPACITOR SELECTION VDD RC FILTER INDUCTOR SELECTION OUTPUT CAPACITOR SELECTION CONTROL LOOP COMPENSATION DESIGN EXAMPLE CHANNEL 1 CONFIGURATION AND COMPONENTS SELECTION CHANNEL 2 CONFIGURATION AND COMPONENTS SELECTION SYSTEM CONFIGURATION APPLICATION CIRCUITS POWER DISSIPATION, THERMAL CONSIDERATIONS CIRCUIT BOARD LAYOUT RECOMMENDATIONS OUTLINE DIMENSIONS ORDERING GUIDE