Datasheet ADP5054 (Analog Devices) - 3

Data Sheet ADP5054 REVISION HISTORY 8/2019—Rev. F to Rev. G 11/2016—Rev. B to Rev. C
Change to Table 6 .. 10 Changes to Figure 1 .. 1 Change to Figure 19 Caption ... 13 Changes to Figure 29 .. 15 Changes to Low-Side Power Device Selection Section Deleted Factory Programmable Options Section and Table 14 to and Table 12 ... 23 Table 18; Renumbered Sequentially ... 29 Changes to Printed Circuit Board Layout Recommendations Changes to Factory Default Options Section .. 29 Section and Figure 43 ... 28 Added Endnote 1, Table 14 .. 29 Changes to Figure 44 .. 29
9/2015—Rev. A to Rev. B 3/2019—Rev. E to Rev. F
Changes to Figure 1 and Table 1 ... 1 Changed Hiccup Detection to Hiccup Protection .. Throughout Changes to Figure 2 .. 3 Changes to Table 14 .. 30 Changes to Table 3 .. 5 Changes to Figure 44 .. 28
6/2018—Rev. D to Rev. E
Changes to Forced PWM and Automatic PWM/PSM
4/2015—Rev. 0 to Rev. A
Modes Section .. 15 Changes to Figure 3 .. 8 Change to Figure 44 .. 29
3/2015—Revision 0: Initial Version 10/2017—Rev. C to Rev. D
Changes to Figure 1 ... 1 Changes to Precision Enabling Section .. 15 Changes to Figure 44 .. 29 Updated Outline Dimensions .. 30 Changes to Ordering Guide ... 30 Rev. G | Page 3 of 31 Document Outline FEATURES APPLICATIONS TYPICAL APPLICATION CIRCUIT GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY DETAILED FUNCTIONAL BLOCK DIAGRAM SPECIFICATIONS BUCK REGULATOR SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION BUCK REGULATOR OPERATIONAL MODES PWM Mode PSM Mode Forced PWM and Automatic PWM/PSM Modes ADJUSTABLE AND FIXED OUTPUT VOLTAGE INTERNAL REGULATORS (VREG AND VDD) SEPARATE SUPPLY APPLICATIONS LOW-SIDE DEVICE SELECTION BOOTSTRAP CIRCUITRY ACTIVE OUTPUT DISCHARGE SWITCH PRECISION ENABLING OSCILLATOR Phase Shift SYNCHRONIZATION INPUT/OUTPUT SOFT START PARALLEL OPERATION STARTUP WITH PRECHARGED OUTPUT CURRENT-LIMIT PROTECTION FREQUENCY FOLDBACK PULSE SKIP IN MAXIMUM DUTY SHORT-CIRCUIT PROTECTION (SCP) LATCH-OFF PROTECTION Short-Circuit Latch-Off Mode UNDERVOLTAGE LOCKOUT (UVLO) POWER-GOOD FUNCTION THERMAL SHUTDOWN APPLICATIONS INFORMATION ADIsimPOWER DESIGN TOOL PROGRAMMING THE OUTPUT VOLTAGE VOLTAGE CONVERSION LIMITATIONS CURRENT-LIMIT SETTING SOFT START SETTING INDUCTOR SELECTION OUTPUT CAPACITOR SELECTION INPUT CAPACITOR SELECTION LOW-SIDE POWER DEVICE SELECTION PROGRAMMING THE UVLO INPUT COMPENSATION COMPONENTS DESIGN POWER DISSIPATION Buck Regulator Power Dissipation Power Switch Conduction Loss (PCOND) Switching Loss (PSW) Transition Loss (PTRAN) Thermal Shutdown JUNCTION TEMPERATURE DESIGN EXAMPLES SETTING THE SWITCHING FREQUENCY SETTING THE OUTPUT VOLTAGE SETTING THE CURRENT LIMIT SELECTING THE INDUCTOR SELECTING THE OUTPUT CAPACITOR SELECTING THE LOW-SIDE MOSFET DESIGNING THE COMPENSATION NETWORK SELECTING THE SOFT START TIME SELECTING THE INPUT CAPACITOR PRINTED CIRCUIT BOARD LAYOUT RECOMMENDATIONS TYPICAL APPLICATION CIRCUIT FACTORY DEFAULT OPTIONS OUTLINE DIMENSIONS ORDERING GUIDE