Datasheet ADP5133 (Analog Devices) - 3

Data Sheet ADP5133 SPECIFICATIONS GENERAL SPECIFICATIONS
VIN1 = VIN2 = 2.3 V to 5.5 V, TJ = −40°C to +125°C for minimum/maximum specifications, and TA = 25°C for typical specifications, unless otherwise noted.
Table 2. Parameter Symbol Test Conditions/Comments Min Typ Max Unit
INPUT VOLTAGE RANGE VIN1, VIN2 2.3 5.5 V THERMAL SHUTDOWN Threshold TSSD TJ rising 150 °C Hysteresis TSSD-HYS 20 °C START-UP TIME1 BUCK1 tSTART1 250 µs BUCK2 tSTART2 300 µs EN1, EN2, MODE INPUTS Input Logic High VIH 1.1 V Input Logic Low VIL 0.4 V Input Leakage Current VI-LEAKAGE 0.05 1 µA STANDBY CURRENT All Channels Enabled ISTBY-NOSW No load, no buck switching 87 130 µA All Channels Disabled ISHUTDOWN TJ = −40°C to +85°C 0.3 1 µA VIN1 UNDERVOLTAGE LOCKOUT UVLO Input Voltage Rising UVLOVIN1RISE 2.275 V UVLO Input Voltage Falling UVLOVIN1FALL 1.95 V 1 Start-up time is defined as the time from VINx > UVLOVIN1RISE to VOUTx reaching 90% of their nominal levels. Rev. A | Page 3 of 24 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION TYPICAL APPLICATION CIRCUIT TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS GENERAL SPECIFICATIONS BUCK1 AND BUCK2 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 Thermal Protection Undervoltage Lockout Enable/Shutdown BUCK1 AND BUCK2 Control Scheme PWM Mode Auto PSM/PWM Operation PSM Current Threshold Oscillator/Phasing of Inductor Switching Short-Circuit Protection Soft Start Current Limit 100% Duty Operation Active Pull-Downs APPLICATIONS INFORMATION BUCK EXTERNAL COMPONENT SELECTION Feedback Resistors Inductor Output Capacitor Input Capacitor POWER DISSIPATION AND THERMAL CONSIDERATIONS BUCK REGULATOR POWER DISSIPATION JUNCTION TEMPERATURE PCB LAYOUT GUIDELINES TYPICAL APPLICATION SCHEMATICS OUTLINE DIMENSIONS ORDERING GUIDE