Datasheet ADP5134 (Analog Devices) - 2

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ADP5134 Data Sheet TABLE OF CONTENTS
Features .. 1 Theory of Operation .. 15 Applications ... 1 Power Management Unit ... 15 Typical Application Circuit ... 1 BUCK1 and BUCK2 .. 17 General Description ... 1 LDO1 and LDO2 .. 18 Revision History ... 2 Applications Information .. 19 Specifications ... 3 Buck Regulator External Component Selection .. 19 General Specifications ... 3 LDO Regulator External Component Selection .. 20 BUCK1 and BUCK2 Specifications ... 4 Power Dissipation and Thermal Considerations ... 22 LDO1 and LDO2 Specifications ... 4 Buck Regulator Power Dissipation .. 22 Input and Output Capacitor, Recommended Specifications .. 5 Junction Temperature .. 23 Absolute Maximum Ratings .. 6 PCB Layout Guidelines .. 24 Thermal Resistance .. 6 Typical Application Schematics .. 25 ESD Caution .. 6 Bill of Materials ... 26 Pin Configuration and Function Descriptions ... 7 Outline Dimensions ... 27 Typical Performance Characteristics ... 8 Ordering Guide .. 27
REVISION HISTORY 8/2017—Rev. 0 to Rev. A
Changes CP-24-7 to CP-24-15 .. Throughout Updated Outline Dimensions ... 27 Changes to Ordering Guide .. 27
10/2013—Revision 0: Initial Version
Rev. A | Page 2 of 28 Document Outline FEATURES APPLICATIONS TYPICAL APPLICATION CIRCUIT GENERAL DESCRIPTION REVISION HISTORY SPECIFICATIONS GENERAL SPECIFICATIONS BUCK1 AND BUCK2 SPECIFICATIONS LDO1 AND LDO2 SPECIFICATIONS INPUT AND OUTPUT CAPACITOR, RECOMMENDED SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION POWER MANAGEMENT UNIT Power-Good Output Thermal Protection Undervoltage Lockout Precision Enable and Shutdown Control BUCK1 AND BUCK2 Control Scheme PWM Mode Power Save Mode (PSM) PSM Current Threshold Oscillator and Phasing of Inductor Switching Short-Circuit Protection Buck Regulator Soft Start Current Limit 100% Duty Operation Active Pull-Down Resistors LDO1 AND LDO2 LDO Regulator Soft Start APPLICATIONS INFORMATION BUCK REGULATOR EXTERNAL COMPONENT SELECTION Feedback Resistors Inductor Output Capacitor Input Capacitor LDO REGULATOR EXTERNAL COMPONENT SELECTION Feedback Resistors Output Capacitor Input Bypass Capacitor Input and Output Capacitor Properties POWER DISSIPATION AND THERMAL CONSIDERATIONS BUCK REGULATOR POWER DISSIPATION LDO Regulator Power Dissipation JUNCTION TEMPERATURE PCB LAYOUT GUIDELINES TYPICAL APPLICATION SCHEMATICS BILL OF MATERIALS OUTLINE DIMENSIONS ORDERING GUIDE