Datasheet ADP5033 (Analog Devices) - 3
| Hersteller | Analog Devices |
| Beschreibung | Dual 3 MHz, 800 mA Buck Regulators with Two 300 mA LDOs |
| Seiten / Seite | 28 / 3 — Data Sheet. ADP5033. SPECIFICATIONS GENERAL SPECIFICATIONS. Table 2. … |
| Revision | H |
| Dateiformat / Größe | PDF / 898 Kb |
| Dokumentensprache | Englisch |
Data Sheet. ADP5033. SPECIFICATIONS GENERAL SPECIFICATIONS. Table 2. Parameter. Symbol. Test Conditions/Comments. Min. Typ. Max. Unit
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Data Sheet ADP5033 SPECIFICATIONS GENERAL SPECIFICATIONS
VIN1 = VIN2 = VIN3 = VIN4 = 2.3 V to 5.5 V; VIN3 = VIN4 = 1.7 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, LDO1, LDO2 tSTART1 250 µs BUCK2 tSTART2 300 µs ENA, ENB, 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 108 175 µA All Channels Disabled ISHUTDOWN TJ = −40°C to +85°C 0.3 1 µA VIN1 UNDERVOLTAGE LOCKOUT Low UVLO Input Voltage Rising UVLOVIN1RISE 2.275 V Low UVLO Input Voltage Falling UVLOVIN1FALL 1.95 V 1 Start-up time is defined as the time from VIN1 > UVLOVIN1RISE to VOUT1, VOUT2, VOUT3, and VOUT4 reaching 90% of their nominal levels. Rev. H | Page 3 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 Thermal Protection Undervoltage Lockout Enable/Shutdown BUCK1 and BUCK2 Control Scheme PWM Mode PSM PSM Current Threshold Oscillator/Phasing of Inductor Switching Short-Circuit Protection Soft Start Current Limit 100% Duty Operation Active Pull-Downs LDO1 and LDO2 Applications Information Buck External Component Selection Inductor Output Capacitor Input Capacitor LDO Capacitor Selection 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 Schematic Outline Dimensions Ordering Guide
VIN1 = VIN2 = VIN3 = VIN4 = 2.3 V to 5.5 V; VIN3 = VIN4 = 1.7 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, LDO1, LDO2 tSTART1 250 µs BUCK2 tSTART2 300 µs ENA, ENB, 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 108 175 µA All Channels Disabled ISHUTDOWN TJ = −40°C to +85°C 0.3 1 µA VIN1 UNDERVOLTAGE LOCKOUT Low UVLO Input Voltage Rising UVLOVIN1RISE 2.275 V Low UVLO Input Voltage Falling UVLOVIN1FALL 1.95 V 1 Start-up time is defined as the time from VIN1 > UVLOVIN1RISE to VOUT1, VOUT2, VOUT3, and VOUT4 reaching 90% of their nominal levels. Rev. H | Page 3 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 Thermal Protection Undervoltage Lockout Enable/Shutdown BUCK1 and BUCK2 Control Scheme PWM Mode PSM PSM Current Threshold Oscillator/Phasing of Inductor Switching Short-Circuit Protection Soft Start Current Limit 100% Duty Operation Active Pull-Downs LDO1 and LDO2 Applications Information Buck External Component Selection Inductor Output Capacitor Input Capacitor LDO Capacitor Selection 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 Schematic Outline Dimensions Ordering Guide