Datasheet ADP5022 (Analog Devices) - 4
| Manufacturer | Analog Devices |
| Description | Dual 3 MHz, 600 mA Buck Regulator with 150 mA LDO |
| Pages / Page | 28 / 4 — ADP5022. BUCK1 AND BUCK2 SPECIFICATIONS. Table 2. Parameter Symbol. Test. … |
| Revision | C |
| File Format / Size | PDF / 1.1 Mb |
| Document Language | English |
ADP5022. BUCK1 AND BUCK2 SPECIFICATIONS. Table 2. Parameter Symbol. Test. Conditions/Comments. Min. Typ. Max. Unit
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ADP5022 BUCK1 AND BUCK2 SPECIFICATIONS
VDDA = VIN1 = VIN2 = 3.6 V, VIN3 = (VOUT3 + 0.5 V) or 2.4 V, whichever is greater, VIN3 ≤ VIN1, TJ = −40°C to +125°C, unless otherwise noted.1
Table 2. Parameter Symbol Test Conditions/Comments Min Typ Max Unit
OPERATING SUPPLY CURRENT Buck1 Only IGND1 ILOAD1 = 0 mA, device not switching, EN1 24 μA = VDDA, EN2 = EN3 = GND Buck2 Only IGND2 ILOAD2 = 0 mA, device not switching, EN2 32 μA = VDDA, EN1 = EN3 = GND Buck1 and Buck2 Only IGND1-2 ILOAD1 = ILOAD1 = 0 mA, device not switch- 48 64 μA ing, EN1 = EN2 = VDDA, EN3 = GND OUTPUT VOLTAGE ACCURACY VOUT1, VOUT2 PWM mode, VIN1 = VIN2 = 2.4 V to 5.5 V, −3 +3 % ILOAD1 = ILOAD2 = 0 mA − 600 mA POWER SAVE MODE TO PWM CURRENT IPSM-PWM 105 mA THRESHOLD PWM TO POWER SAVE MODE CURRENT IPWM-PSM 100 mA THRESHOLD SW CHARACTERISTICS, BUCK1 and BUCK2 PFET On Resistance RPFET Typical at VIN1 = VIN2 = 3.6 V 165 275 mΩ Typical at VIN1 = VIN2 = 5.0 V 125 mΩ NFET On Resistance RNFET Typical at VIN1 = VIN2 = 3.6 V 125 220 mΩ Typical at VIN1 = VIN2 = 5.0 V 100 mΩ Current Limit ILIMIT1, ILIMIT2 PFET switch peak current limit 750 950 1050 mA OSCILLATOR FREQUENCY FSW 2.5 3.0 3.5 MHz START-UP TIME2 From Shutdown State TSTARTUP12-SD 250 μs 1 All limits at temperature extremes are guaranteed via correlation using standard statistical quality control. 2 Start-up time is defined as the time from a rising edge on EN1/EN2 to VOUT1/VOUT2 reaching 90% of their nominal value. Rev. C | Page 4 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 BUCK1 AND BUCK2 SPECIFICATIONS
VDDA = VIN1 = VIN2 = 3.6 V, VIN3 = (VOUT3 + 0.5 V) or 2.4 V, whichever is greater, VIN3 ≤ VIN1, TJ = −40°C to +125°C, unless otherwise noted.1
Table 2. Parameter Symbol Test Conditions/Comments Min Typ Max Unit
OPERATING SUPPLY CURRENT Buck1 Only IGND1 ILOAD1 = 0 mA, device not switching, EN1 24 μA = VDDA, EN2 = EN3 = GND Buck2 Only IGND2 ILOAD2 = 0 mA, device not switching, EN2 32 μA = VDDA, EN1 = EN3 = GND Buck1 and Buck2 Only IGND1-2 ILOAD1 = ILOAD1 = 0 mA, device not switch- 48 64 μA ing, EN1 = EN2 = VDDA, EN3 = GND OUTPUT VOLTAGE ACCURACY VOUT1, VOUT2 PWM mode, VIN1 = VIN2 = 2.4 V to 5.5 V, −3 +3 % ILOAD1 = ILOAD2 = 0 mA − 600 mA POWER SAVE MODE TO PWM CURRENT IPSM-PWM 105 mA THRESHOLD PWM TO POWER SAVE MODE CURRENT IPWM-PSM 100 mA THRESHOLD SW CHARACTERISTICS, BUCK1 and BUCK2 PFET On Resistance RPFET Typical at VIN1 = VIN2 = 3.6 V 165 275 mΩ Typical at VIN1 = VIN2 = 5.0 V 125 mΩ NFET On Resistance RNFET Typical at VIN1 = VIN2 = 3.6 V 125 220 mΩ Typical at VIN1 = VIN2 = 5.0 V 100 mΩ Current Limit ILIMIT1, ILIMIT2 PFET switch peak current limit 750 950 1050 mA OSCILLATOR FREQUENCY FSW 2.5 3.0 3.5 MHz START-UP TIME2 From Shutdown State TSTARTUP12-SD 250 μs 1 All limits at temperature extremes are guaranteed via correlation using standard statistical quality control. 2 Start-up time is defined as the time from a rising edge on EN1/EN2 to VOUT1/VOUT2 reaching 90% of their nominal value. Rev. C | Page 4 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
