Datasheet ADP5073 (Analog Devices) - 7

link to page 15
Data Sheet ADP5073 TYPICAL PERFORMANCE CHARACTERISTICS
Typical performance characteristics are generated using the standard bil of materials for each input/output combination listed in Table 9.
800 90 VIN = 3.3V, L = 5.6µH 700 V 80 IN = 3.3V, L = 6.8µH VIN = 5V, L = 6.8µH 70 600 VIN = 5V, L = 10µH VIN = 12V, L = 15µH 60 500 VIN = 12V, L = 22µH %) mA) ( ( V ) IN = 15V, L = 15µH 50 AX 400 NCY M E ( ICI 40 UT F I O 300 F E 30 200 20 V 100 IN = 12V, 1.2MHz 10 VIN = 12V, 2.4MHz 0 0
003 006
–40 –35 –30 –25 –20 –15 –10 –5 0 0.001 0.01 0.1 1
12817-
VOUT (V)
12817-
IOUT (A)
Figure 3. Maximum Output Current, fSW = 1.2 MHz, TA = 25°C, Based on Figure 6. Efficiency vs. Current Load (IOUT), VIN = 12 V, VOUT = −5 V, TA = 25°C Target of 70% ILIM (MIN)
600 90 VIN = 3.3V, L = 2.2µH V 80 IN = 3.3V, L = 3.3µH 500 VIN = 5V, L = 3.3µH 70 VIN = 5V, L = 5.6µH V 400 IN = 12V, L = 6.8µH 60 VIN = 12V, L = 10µH %) mA) ( ( V ) IN = 15V, L = 6.8µH 50 AX 300 NCY M E ( ICI 40 UT F I O F 200 E 30 VIN = 12V, 1.2MHz 20 V 100 IN = 12V, 2.4MHz VIN = 5V, 1.2MHz 10 VIN = 5V, 2.4MHz 0 0
004 007
–35 –30 –25 –20 –15 –10 –5 0 0.001 0.01 0.1 1
12817-
VOUT (V)
12817-
IOUT (A)
Figure 4. Maximum Output Current, fSW = 2.4 MHz, TA = 25°C, Based on Figure 7. Efficiency vs. Current Load (IOUT), VIN = 12 V and 5 V, VOUT = −15 V, Target of 70% ILIM (MIN) TA = 25°C
80 90 70 80 70 60 60 %) 50 ( %) ( 50 NCY E 40 NCY E ICI 40 F ICI F F 30 E F E 30 20 20 V 10 IN = 12V, 1.2MHz VIN = 5V, 1.2MHz V 10 IN = 12V, 2.4MHz VIN = 5V, 2.4MHz 0
005
0
008
0.001 0.01 0.1 1 10 0.001 0.01 0.1 1
12817-
I
12817-
I OUT (A) OUT (A)
Figure 5. Efficiency vs. Current Load (I Figure 8. Efficiency vs. Current Load (I OUT), VIN = 12 V, VOUT = −2.5 V, TA = 25°C OUT), VIN = 5 V, VOUT = −30 V, TA = 25°C Rev. A | Page 7 of 17 Document Outline FEATURES APPLICATIONS TYPICAL APPLICATION CIRCUIT GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION PWM MODE SKIP MODE UNDERVOLTAGE LOCKOUT (UVLO) OSCILLATOR AND SYNCHRONIZATION INTERNAL REGULATORS PRECISION ENABLING SOFT START SLEW RATE CONTROL CURRENT-LIMIT PROTECTION OVERVOLTAGE PROTECTION POWER GOOD 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