ADP2370(RevA) 데이터 시트보기 (PDF) - Analog Devices

부품명

상세내역

제조사

ADP2370
(Rev.:RevA)

High Voltage, 1.2 MHz/600 kHz, 800 mA, Low Quiescent Current Buck Regulator

Analog Devices 

ADP2370/ADP2371

Data Sheet

TYPICAL PERFORMANCE CHARACTERISTICS

BUCK OUTPUT

Using recommended inductor values, IOUT = 10 mA, CIN = COUT = 10 µF, automatic PSM/PWM mode, TA = 25°C, unless otherwise noted.

25

1.30

0.65

1.28

20

1.26

0.63

1.24

600kHz

15

1.22

1.2MHz

0.61

1.20

10

+125 °C

+85°C

5

+25°C

–5°C

–40°C

1.18

0.59

1.16

1.14

0.57

1.12

0

3 4 5 6 7 8 9 10 11 12 13 14 15 16

INPUT VOLTAGE (V)

Figure 3. Quiescent Supply Current vs. Input Voltage, Nonswitching,

Different Temperatures

1.10

0.55

3

5

7

9

11

13

15

TEMPERATURE (°C)

Figure 6. Switching Frequency vs. Input Voltage, FPWM Mode

800

3.40

+125 °C

+85°C

750

+25°C

3.35

–5°C

–40°C

700

3.30

650

600

550

500

3 4 5 6 7 8 9 10 11 12 13 14 15

INPUT VOLTAGE (V)

Figure 4. FPWM Quiescent Supply Current vs. Input Voltage, Nonswitching,

Different Temperatures

1.30

0.65

1.28

1.26

0.63

1.24

1.22

600kHz

0.61

1.20

1.2MHz

1.18

0.59

1.16

1.14

0.57

1.12

1.10

–45 –25 –5

15 35 55 75

TEMPERATURE (°C)

0.55

95 115 135

Figure 5. Switching Frequency vs. Temperature, FPWM Mode, VIN = 8 V

3.25

3.20

0.1mA

1mA

5mA

10mA

50mA

3.15

100mA

300mA

800mA

3.10

–40

–5

25

85

125

TEMPERATURE (°C)

Figure 7. Output Voltage vs. Temperature, VOUT = 3.3 V, VIN = 7.3 V,

Different Loads

5.20

5.15

5.10

5.05

5.00

4.95

0.1mA

1mA

5mA

4.90

10mA

50mA

100mA

4.85

300mA

800mA

4.80

–40

–5

25

85

125

TEMPERATURE (°C)

Figure 8. Output Voltage vs. Temperature, VOUT = 5 V, VIN = 7.2 V,

Different Loads

Rev. A | Page 8 of 32

Share Link: