Datasheet ADP5304 (Analog Devices) - 10
| Fabricante | Analog Devices |
| Descripción | Ultralow Power Step-Down Regulator with Input Voltage Monitor and Regulation |
| Páginas / Página | 17 / 10 — ADP5304. Data Sheet. VOUT. CH1 1.00V. CH2 5.00V. M 10µs. A CH1 1.40V. M … |
| Formato / tamaño de archivo | PDF / 562 Kb |
| Idioma del documento | Inglés |
ADP5304. Data Sheet. VOUT. CH1 1.00V. CH2 5.00V. M 10µs. A CH1 1.40V. M 200µs. A CH2 1.68V. CH4 200mA Ω. T 40.40%. CH4 200mV Ω. T 40.20%. VIN
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ADP5304 Data Sheet VOUT VOUT 1 1 IL IL SW 4 4 2 2 SW CH1 1.00V CH2 5.00V M 10µs A CH1 1.40V
-041
CH1 1.00V CH2 5.00V M 200µs A CH2 1.68V
-043
CH4 200mA Ω T 40.40%
493
CH4 200mV Ω T 40.20%
493 13 13 Figure 22. Output Short Protection Figure 24. Output Short Recovery
VIN EN VOUT 3 VOUT 3 IL 1 SW 1 SW 2 2
37
CH1 1.00V CH2 2.00V M 20.0ms A CH2 1.56V
-042
CH1 1.00V CH2 2.00V M 4.00ms C A H3 1.64V
0 93-
CH3 1.00V CH4 2.00V Ω T 40.20%
493
CH3 2.00V T 40.00%
13 134 Figure 23. 260 μA Current Source Charge Up, 100 μF Output Capacitor with Figure 25. Quick Output Discharge Function 100 μA Load Current, and 3.0 V VINOK Threshold Rev. 0 | Page 10 of 17 Document Outline FEATURES APPLICATIONS TYPICAL APPLICATION CIRCUIT GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY DETAILED FUNCTIONAL BLOCK DIAGRAM SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION BUCK REGULATOR OPERATIONAL MODE ADJUSTABLE AND FIXED OUTPUT VOLTAGES UNDERVOLTAGE LOCKOUT (UVLO) ENABLE/DISABLE VINOK FUNCTION CURRENT LIMIT SHORT-CIRCUIT PROTECTION SOFT START STARTUP WITH PRECHARGED OUTPUT 100% DUTY OPERATION ACTIVE DISCHARGE THERMAL SHUTDOWN APPLICATIONS INFORMATION EXTERNAL COMPONENT SELECTION SELECTING THE INDUCTOR OUTPUT CAPACITOR INPUT CAPACITOR LAYOUT RECOMMENDATIONS TYPICAL APPLICATION CIRCUITS FACTORY PROGRAMMABLE OPTIONS OUTLINE DIMENSIONS ORDERING GUIDE
-041
CH1 1.00V CH2 5.00V M 200µs A CH2 1.68V
-043
CH4 200mA Ω T 40.40%
493
CH4 200mV Ω T 40.20%
493 13 13 Figure 22. Output Short Protection Figure 24. Output Short Recovery
VIN EN VOUT 3 VOUT 3 IL 1 SW 1 SW 2 2
37
CH1 1.00V CH2 2.00V M 20.0ms A CH2 1.56V
-042
CH1 1.00V CH2 2.00V M 4.00ms C A H3 1.64V
0 93-
CH3 1.00V CH4 2.00V Ω T 40.20%
493
CH3 2.00V T 40.00%
13 134 Figure 23. 260 μA Current Source Charge Up, 100 μF Output Capacitor with Figure 25. Quick Output Discharge Function 100 μA Load Current, and 3.0 V VINOK Threshold Rev. 0 | Page 10 of 17 Document Outline FEATURES APPLICATIONS TYPICAL APPLICATION CIRCUIT GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY DETAILED FUNCTIONAL BLOCK DIAGRAM SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION BUCK REGULATOR OPERATIONAL MODE ADJUSTABLE AND FIXED OUTPUT VOLTAGES UNDERVOLTAGE LOCKOUT (UVLO) ENABLE/DISABLE VINOK FUNCTION CURRENT LIMIT SHORT-CIRCUIT PROTECTION SOFT START STARTUP WITH PRECHARGED OUTPUT 100% DUTY OPERATION ACTIVE DISCHARGE THERMAL SHUTDOWN APPLICATIONS INFORMATION EXTERNAL COMPONENT SELECTION SELECTING THE INDUCTOR OUTPUT CAPACITOR INPUT CAPACITOR LAYOUT RECOMMENDATIONS TYPICAL APPLICATION CIRCUITS FACTORY PROGRAMMABLE OPTIONS OUTLINE DIMENSIONS ORDERING GUIDE