Datasheet ADP5022 (Analog Devices) - 2
| Hersteller | Analog Devices |
| Beschreibung | Dual 3 MHz, 600 mA Buck Regulator with 150 mA LDO |
| Seiten / Seite | 28 / 2 — ADP5022. TABLE OF CONTENTS. REVISION HISTORY. 10/10—Rev. B to Rev. C. … |
| Revision | C |
| Dateiformat / Größe | PDF / 1.1 Mb |
| Dokumentensprache | Englisch |
ADP5022. TABLE OF CONTENTS. REVISION HISTORY. 10/10—Rev. B to Rev. C. 6/10—Rev. A to Rev. B. 11/09—Revision A: Initial Version
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ADP5022 TABLE OF CONTENTS
Features .. 1 Theory of Operation .. 16 Applications... 1 Power Management Unit... 16 General Description ... 1 Buck Section.. 17 Revision History ... 2 LDO Section ... 18 Specifications... 3 Applications Information .. 19 Buck1 and Buck2 Specifications... 4 Buck External Component Selection... 19 LDO Specifications .. 5 LDO Capacitor Selection .. 20 Absolute Maximum Ratings.. 6 PCB Layout Guidelines.. 22 Thermal Data .. 6 Evaluation Board schematics and Artwork .. 23 Thermal Resistance .. 6 Suggested Layout .. 23 ESD Caution.. 6 Outline Dimensions ... 25 Pin Configuration and Function Descriptions... 7 Ordering Guide .. 25 Typical Performance Characteristics ... 8
REVISION HISTORY 10/10—Rev. B to Rev. C
Changes to Figure 2.. 1 Changes to Table 9.. 20
6/10—Rev. A to Rev. B
Changes to Ordering Guide .. 25
11/09—Revision A: Initial Version
Rev. C | Page 2 of 28 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS BUCK1 AND BUCK2 SPECIFICATIONS LDO SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL DATA THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION POWER MANAGEMENT UNIT Thermal Protection Undervoltage Lockout Enable/Shutdown BUCK SECTION Control Scheme PWM Mode Power Save Mode (PSM) PSM Current Threshold Oscillator/Phasing of Inductor Switching Enable/Shutdown Short-Circuit Protection Soft Start Current Limit 100% Duty Operation LDO SECTION LDO Undervoltage Lockout APPLICATIONS INFORMATION BUCK EXTERNAL COMPONENT SELECTION Inductor Output Capacitor Input Capacitor LDO CAPACITOR SELECTION Output Capacitor Input Bypass Capacitor Input and Output Capacitor Properties PCB LAYOUT GUIDELINES EVALUATION BOARD SCHEMATICS AND ARTWORK SUGGESTED LAYOUT OUTLINE DIMENSIONS ORDERING GUIDE
ADP5022 TABLE OF CONTENTS
Features .. 1 Theory of Operation .. 16 Applications... 1 Power Management Unit... 16 General Description ... 1 Buck Section.. 17 Revision History ... 2 LDO Section ... 18 Specifications... 3 Applications Information .. 19 Buck1 and Buck2 Specifications... 4 Buck External Component Selection... 19 LDO Specifications .. 5 LDO Capacitor Selection .. 20 Absolute Maximum Ratings.. 6 PCB Layout Guidelines.. 22 Thermal Data .. 6 Evaluation Board schematics and Artwork .. 23 Thermal Resistance .. 6 Suggested Layout .. 23 ESD Caution.. 6 Outline Dimensions ... 25 Pin Configuration and Function Descriptions... 7 Ordering Guide .. 25 Typical Performance Characteristics ... 8
REVISION HISTORY 10/10—Rev. B to Rev. C
Changes to Figure 2.. 1 Changes to Table 9.. 20
6/10—Rev. A to Rev. B
Changes to Ordering Guide .. 25
11/09—Revision A: Initial Version
Rev. C | Page 2 of 28 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS BUCK1 AND BUCK2 SPECIFICATIONS LDO SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL DATA THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION POWER MANAGEMENT UNIT Thermal Protection Undervoltage Lockout Enable/Shutdown BUCK SECTION Control Scheme PWM Mode Power Save Mode (PSM) PSM Current Threshold Oscillator/Phasing of Inductor Switching Enable/Shutdown Short-Circuit Protection Soft Start Current Limit 100% Duty Operation LDO SECTION LDO Undervoltage Lockout APPLICATIONS INFORMATION BUCK EXTERNAL COMPONENT SELECTION Inductor Output Capacitor Input Capacitor LDO CAPACITOR SELECTION Output Capacitor Input Bypass Capacitor Input and Output Capacitor Properties PCB LAYOUT GUIDELINES EVALUATION BOARD SCHEMATICS AND ARTWORK SUGGESTED LAYOUT OUTLINE DIMENSIONS ORDERING GUIDE