Datasheet ADP5070 (Analog Devices) - 8

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ADP5070 Data Sheet TYPICAL PERFORMANCE CHARACTERISTICS
Typical performance characteristics are generated using the standard bil of materials for each input/output combination listed in Table 9, Table 10, and Table 11.
700 350 VIN = 5V, L = 10µH VIN = 5V, L = 15µH VIN = 3.3V, L = 6.8µH VIN = 3.3V, L = 10µH 600 VIN = 5V, L = 6.8µH 300 VIN = 15V, L = 15µH VIN = 3.3V, L = 4.7µH VIN = 15V, L = 22µH VIN = 12V, L = 15µH VIN = 12V, L = 15µH 500 VIN = 15V, L = 15µH 250 VIN = 12V, L = 22µH VIN = 3.3V, L = 6.8µH VIN = 5V, L = 10µH mA) 400 mA) ( 200 ) ( ) AX AX (M (M 300 150 UT UT I O I O 200 100 100 50 0 0 0 10 20 30 40 50
003
–40 –30 –20 –10 0
006
VPOS (V) V
12068-
NEG (V)
12068- Figure 4. Boost Regulator Maximum Output Current, fSW = 1.2 MHz, Figure 7. Inverting Regulator Maximum Output Current, fSW = 1.2 MHz, TA = 25°C, Based on Target of 70% ILIM (BOOST) TA = 25°C, Based on Target of 70% ILIM (INVERTER)
700 350 VIN = 12V, L = 10µH VIN = 12V, L = 15µH VIN = 3.3V, L = 6.8µH VIN = 5V, L = 15µH 600 V V IN = 5V, L = 10µH 300 IN = 5V, L = 10µH V V IN = 3.3V, L = 3.3µH IN = 3.3V, L = 10µH V VIN = 15V, L = 6.8µH IN = 5V, L = 3.3µH 500 V V 250 IN = 12V, L = 6.8µH IN = 15V, L = 10µH VIN = 15V, L = 15µH VIN = 3.3V, L = 6.8µH mA) 400 mA) ( 200 ) ( ) AX AX (M (M 300 150 UT UT I O I O 200 100 100 50 0 0 0 10 20 30 40 50
004
–40 –30 –20 –10 0
007
VPOS (V) V
12068-
NEG (V)
12068- Figure 5. Boost Regulator Maximum Output Current, fSW = 2.4 MHz, Figure 8. Inverting Regulator Maximum Output Current, fSW = 2.4 MHz, TA = 25°C, Based on Target of 70% ILIM (BOOST) TA = 25°C, Based on Target of 70% ILIM (INVERTER)
100 100 80 80 %) %) ( 60 ( 60 NCY NCY E E ICI ICI F 40 F 40 F F E E 20 20 VIN = 3.3V, 1.2MHz VIN = 3.3V, 1.2MHz VIN = 3.3V, 2.4MHz VIN = 3.3V, 2.4MHz 0 0 0.001 0.01 0.1 1
005
0.001 0.01 0.1 1
008
LOAD (A)
12068-
LOAD (A)
12068- Figure 6. Boost Regulator Efficiency vs. Current Load, VIN = 3.3 V, Figure 9. Inverting Regulator Efficiency vs. Current Load, VIN = 3.3 V, VPOS = 5 V, TA = 25°C VNEG = −5 V, TA = 25°C Rev. D | Page 8 of 27 Document Outline FEATURES APPLICATIONS TYPICAL APPLICATION CIRCUIT GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION PWM MODE PSM MODE UNDERVOLTAGE LOCKOUT (UVLO) OSCILLATOR AND SYNCHRONIZATION INTERNAL REGULATORS PRECISION ENABLING SOFT START SLEW RATE CONTROL CURRENT-LIMIT PROTECTION OVERVOLTAGE PROTECTION THERMAL SHUTDOWN START-UP SEQUENCE APPLICATIONS INFORMATION ADIsimPOWER DESIGN TOOL COMPONENT SELECTION Feedback Resistors Output Capacitors Input Capacitor VREG Capacitor VREF Capacitor Soft Start Resistor Diodes Inductor Selection for the Boost Regulator Inductor Selection for the Inverting Regulator LOOP COMPENSATION Boost Regulator Inverting Regulator COMMON APPLICATIONS SUPER LOW NOISE WITH OPTIONAL LDOS SEPIC STEP-UP/STEP-DOWN OPERATION LAYOUT CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE