Datasheet ADP5075 (Analog Devices) - 7

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Data Sheet ADP5075 TYPICAL PERFORMANCE CHARACTERISTICS
Typical performance characteristics are generated using the standard bil of materials for each input/output combination listed in Table 9.
500 90 450 VIN = 3.3V, L = 6.8µH, DIODE = DFLS240L 80 VIN = 3.3V, L = 10µH, DIODE = DFLS240 400 V (mA) IN = 5.0V, L = 10µH, DIODE = DFLS240 V 70 NT IN = 5.0V, L = 15µH, DIODE = DFLS240 350 VIN = 12.0V, L = 15µH, DIODE = DFLS240L V 60 300 IN = 12.0V, L = 22µH, DIODE = DFLS240 V V IN = 3.3V, 1.2MHz CURRE IN = 15.0V, L = 22µH, DIODE = DFLS240L VIN = 3.3V, 2.4MHz V CY (%) 50 250 IN = 15.0V, L = 22µH, DIODE = DFLS240 N VIN = 12.0V, 1.2MHz PUT IE VIN = 12.3V, 2.4MHz UT 40 200 O EFFIC UM 150 30 IM AX 100 20 M 50
003
10
006
0
12819-
0
12819-
–40 –35 –30 –25 –20 –15 –10 –5 0 0.001 0.01 0.1 1 VOUT (V) CURRENT LOAD (A)
Figure 3. Maximum Output Current, fSW = 1.2 MHz, TA = 25°C, Based on Figure 6. Efficiency vs. Current Load, VNEG = −5 V, TA = 25°C Target of 70% ILIM
500 100 VIN = 3.3V, L = 3.3µH, DIODE = DFLS240L 450 VIN = 3.3V, L = 5.6µH, DIODE = DFLS240 90 VIN = 5.0V, L = 4.7µH, DIODE = DFLS240L 400 V 80 (mA) IN = 5.0V, L = 6.8µH, DIODE = DFLS240 VIN = 12.0V, L = 8.2µH, DIODE = DFLS240L NT 350 V 1.2MHz IN = 12.0V, L = 15.0µH, DIODE = DFLS240 70 V 2.4MHz IN = 15.0V, L = 10.0µH, DIODE = DFLS240L 300 VIN = 15.0V, L = 15.0µH, DIODE = DFLS240 60 CURRE CY (%) 250 N 50 PUT IE UT 200 40 O EFFIC UM 150 30 IM AX 100 20 M 50
004
10
007
0
12819-
0
12819-
–40 –35 –30 –25 –20 –15 –10 –5 0 0.001 0.01 0.1 1 VOUT (V) CURRENT LOAD (A)
Figure 4. Maximum Output Current, fSW = 2.4 MHz, TA = 25°C, Based on Figure 7. Efficiency vs. Current Load, VIN = 12 V, VNEG = −15 V, TA = 25°C Target of 70% ILIM
90 80 80 70 70 60 60 1.2MHz 2.4MHz 50 1.2MHz CY (%) 50 CY (%) N N 2.4MHz IE 40 IE 40 EFFIC 30 30 EFFIC 20 20 10 10
005 008
0
12819-
0
12819-
0.001 0.01 0.1 1 0.001 0.01 0.1 CURRENT LOAD (A) CURRENT LOAD (A)
Figure 5. Efficiency vs. Current Load, VIN = 3.3 V, VNEG = −3.3 V, TA = 25°C Figure 8. Efficiency vs. Current Load, VIN = 5 V, VNEG = −30 V, TA = 25°C Rev. B | Page 7 of 19 Document Outline FEATURES APPLICATIONS TYPICAL APPLICATION CIRCUIT GENERAL DESCRIPTION REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION 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 APPLICATIONS INFORMATION ADIsimPOWER DESIGN TOOL COMPONENT SELECTION Feedback Resistors Output Capacitor Input Capacitor VREG Capacitor VREF Capacitor Soft Start Resistor Diodes Inductor Selection Loop Compensation COMMON APPLICATIONS LAYOUT CONSIDERATIONS OUTLINE DIMENSIONS ORDERING GUIDE