Datasheet ADP5074 (Analog Devices) - 7
| 制造商 | Analog Devices |
| 描述 | 2.4 A, DC-to-DC Inverting Regulator |
| 页数 / 页 | 17 / 7 — Data Sheet. ADP5074. TYPICAL PERFORMANCE CHARACTERISTICS. 1600. VIN = … |
| 修订版 | A |
| 文件格式/大小 | PDF / 526 Kb |
| 文件语言 | 英语 |
Data Sheet. ADP5074. TYPICAL PERFORMANCE CHARACTERISTICS. 1600. VIN = 3.3V, L = 2.2µH. 1400
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Data Sheet ADP5074 TYPICAL PERFORMANCE CHARACTERISTICS
Typical performance characteristics are generated using the standard bil of materials for each input/output combination listed in Table 9.
1600 90 VIN = 3.3V, L = 2.2µH 1400 80 VIN = 3.3V, L = 3.3µH VIN = 5V, L = 3.3µH 70 1200 VIN = 5V, L = 5.6µH VIN = 12V, L = 5.6µH 60 1000 VIN = 12V, L = 10µH %) mA) ( ( V ) IN = 15V, L = 5.6µH 50 NCY AX 800 E M ( ICI 40 UT F I O 600 F E 30 400 20 V 200 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 10
12818-
VOUT (V) I
12818-
OUT (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)
1200 90 VIN = 3.3V, L = 1µH V 80 IN = 3.3V, L = 2.2µH 1000 VIN = 5V, L = 2.2µH V 70 IN = 5V, L = 3.3µH VIN = 12V, L = 2.2µH 800 V 60 IN = 12V, L = 5.6µH %) mA) ( V ( ) IN = 15V, L = 3.3µH 50 AX 600 NCY M ( E UT ICI 40 I O F 400 F E 30 VIN = 12V, 1.2MHz 200 20 VIN = 12V, 2.4MHz VIN = 5V, 1.2MHz 10 VIN = 5V, 2.4MHz 0
004
–35 –30 –25 –20 –15 –10 –5 0 0
007 12818-
V 0.001 0.01 0.1 1 OUT (V)
12818-
IOUT (A)
Figure 4. Maximum Output Current, fSW = 2.4 MHz, TA = 25°C, Based on Figure 7. Efficiency vs. Current Load (IOUT), VIN = 5 V and 12 V, VOUT = −15 V, Target of 70% ILIM (MIN) TA = 25°C
80 90 70 80 60 70 60 %) 50 ( %) ( 50 NCY E 40 NCY E ICI 40 F ICI F 30 F E F E 30 20 20 V 10 IN = 12V, 1.2MHz VIN = 5V, 1.2MHz VIN = 12V, 2.4MHz 10 VIN = 5V, 2.4MHz 0
005
0 0.001 0.01 0.1 1 10
008
0.001 0.01 0.1 1
12818-
IOUT (A)
12818-
IOUT (A)
Figure 5. Efficiency vs. Current Load (IOUT), VIN = 12 V, VOUT = −2.5 V, TA = 25°C Figure 8. Efficiency vs. Current Load (IOUT), 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 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
Data Sheet ADP5074 TYPICAL PERFORMANCE CHARACTERISTICS
Typical performance characteristics are generated using the standard bil of materials for each input/output combination listed in Table 9.
1600 90 VIN = 3.3V, L = 2.2µH 1400 80 VIN = 3.3V, L = 3.3µH VIN = 5V, L = 3.3µH 70 1200 VIN = 5V, L = 5.6µH VIN = 12V, L = 5.6µH 60 1000 VIN = 12V, L = 10µH %) mA) ( ( V ) IN = 15V, L = 5.6µH 50 NCY AX 800 E M ( ICI 40 UT F I O 600 F E 30 400 20 V 200 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 10
12818-
VOUT (V) I
12818-
OUT (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)
1200 90 VIN = 3.3V, L = 1µH V 80 IN = 3.3V, L = 2.2µH 1000 VIN = 5V, L = 2.2µH V 70 IN = 5V, L = 3.3µH VIN = 12V, L = 2.2µH 800 V 60 IN = 12V, L = 5.6µH %) mA) ( V ( ) IN = 15V, L = 3.3µH 50 AX 600 NCY M ( E UT ICI 40 I O F 400 F E 30 VIN = 12V, 1.2MHz 200 20 VIN = 12V, 2.4MHz VIN = 5V, 1.2MHz 10 VIN = 5V, 2.4MHz 0
004
–35 –30 –25 –20 –15 –10 –5 0 0
007 12818-
V 0.001 0.01 0.1 1 OUT (V)
12818-
IOUT (A)
Figure 4. Maximum Output Current, fSW = 2.4 MHz, TA = 25°C, Based on Figure 7. Efficiency vs. Current Load (IOUT), VIN = 5 V and 12 V, VOUT = −15 V, Target of 70% ILIM (MIN) TA = 25°C
80 90 70 80 60 70 60 %) 50 ( %) ( 50 NCY E 40 NCY E ICI 40 F ICI F 30 F E F E 30 20 20 V 10 IN = 12V, 1.2MHz VIN = 5V, 1.2MHz VIN = 12V, 2.4MHz 10 VIN = 5V, 2.4MHz 0
005
0 0.001 0.01 0.1 1 10
008
0.001 0.01 0.1 1
12818-
IOUT (A)
12818-
IOUT (A)
Figure 5. Efficiency vs. Current Load (IOUT), VIN = 12 V, VOUT = −2.5 V, TA = 25°C Figure 8. Efficiency vs. Current Load (IOUT), 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 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