Datasheet ADP5034 (Analog Devices) - 9

ManufacturerAnalog Devices
DescriptionDual 3 MHz, 1200 mA Buck Regulators with Two 300 mA LDOs
Pages / Page28 / 9 — Data Sheet. ADP5034. TYPICAL PERFORMANCE CHARACTERISTICS. 3.320. 140. …
RevisionE
File Format / SizePDF / 760 Kb
Document LanguageEnglish

Data Sheet. ADP5034. TYPICAL PERFORMANCE CHARACTERISTICS. 3.320. 140. 3.315. 120. 3.310. A) µ. TA = –40°C. 3.305. 100. 3.300. TA = +25°C. (V) 3.295

Data Sheet ADP5034 TYPICAL PERFORMANCE CHARACTERISTICS 3.320 140 3.315 120 3.310 A) µ TA = –40°C 3.305 100 3.300 TA = +25°C (V) 3.295

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Data Sheet ADP5034 TYPICAL PERFORMANCE CHARACTERISTICS
VIN1 = VIN2 = VIN3= VIN4 = 3.6 V, TA = 25°C, unless otherwise noted.
3.320 140 3.315 120 3.310 A) µ TA = –40°C ( 3.305 100 NT 3.300 TA = +25°C 80 (V) 3.295 CURRE UT O NT V 60 3.290 CE S E 3.285 UI 40 TA = +85°C Q 3.280 20 3.275 0 3.270 2.3 2.8 3.3 3.8 4.3 4.8 5.3
039
0 0.2 0.4 0.6 0.8 1.0 1.2
101
INPUT VOLTAGE (V) I
09703-
OUT (A)
09703- Figure 4. System Quiescent Current vs. Input Voltage, VOUT1 = 3.3 V, Figure 7. BUCK1 Load Regulation Across Temperature, VOUT2 = 1.8 V, VOUT3 = 1.2 V, VOUT4 = 3.3 V, All Channels Unloaded VIN = 4.2 V, VOUT1 = 3.3 V, PWM Mode
1.812 T 1.810 T SW A = –40°C 4 1.808 IOUT 2 TA = +25°C 1.806 (V) UT O VOUT V 1.804 1 EN 1.802 TA = +85°C 1.800 3 1.798 CH1 2.00V BW CH2 50.0mA Ω BW M 40.0µs A CH3 2.2V
049
0 0.2 0.4 0.6 0.8 1.0 1.2
102
CH3 5.00V BW CH4 5.00V BW T 11.20% I
09703-
OUT (A)
09703- Figure 5. BUCK1 Startup, VOUT1 = 1.8 V, IOUT1 = 5 mA Figure 8. BUCK2 Load Regulation Across Temperature, VIN = 3.6 V, VOUT2 = 1.8 V, PWM Mode
0.808 T 0.807 SW 4 IOUT 0.806 T 2 A = +25°C (V) 0.805 UT OV T VOUT T A = –40°C A = +85°C 1 0.804 EN 0.803 3 0.802 CH1 2.00V BW CH2 50.0mA Ω BW M 40.0µs A CH3 2.2V
103 048
0 0.2 0.4 0.6 0.8 1.0 1.2 CH3 5.00V BW CH4 5.00V BW T 11.20% IOUT (A)
09703- 09703- Figure 6. BUCK2 Startup, VOUT2 = 3.3 V, IOUT2 = 10 mA Figure 9. BUCK1 Load Regulation Across Input Voltage, VIN = 3.6 V, VOUT1 = 0.8 V, PWM Mode Rev. E | Page 9 of 28 Document Outline Features Applications General Description Typical Application Circuit 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 Power Save 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 Feedback Resistors Inductor Output Capacitor Input Capacitor LDO 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