ADP1864AUJZ-R7 datasheet(6/16 Pages) AD

部件名	ADP1864AUJZ-R7

功能描述	Constant Frequency Current-Mode Step-Down DC/DC Controller in TSOT

PDF	16 Pages

Scroll/Zoom	100%

制造商	AD [Analog Devices]

网页	http://www.analog.com

标志

6 / 16 page

ADP1864

Rev. 0 | Page 6 of 16

TYPICAL PERFORMANCE CHARACTERISTICS

0.81

0.805

0.80

0.795

0.79

–40

–20

100

120

TEMPERATURE (

°C)

VIN = 5V

Figure 4. Reference Voltage vs. Temperature

600

590

580

570

550

560

–40

–20

100

120

TEMPERATURE (

°C)

VIN = 5V

Figure 5. Normalized Oscillator Frequency vs. Temperature

3.1

2.7

–40

–20

100

120

TEMPERATURE (

°C)

3.05

3.0

2.95

2.9

2.85

2.8

2.75

UVLO FALL

UVLO RISE

Figure 6. UVLO Voltage vs. Temperature (VIN Rising and VIN Falling)

0.8

–40

–20

100

120

TEMPERATURE (

°C)

0.7

0.6

0.5

0.4

0.3

0.2

0.1

COMP FALLING

COMP RISING

Figure 7. COMP Shutdown Threshold vs. Temperature

2.52

2.40

3.5

LOAD (A)

2.50

2.48

2.46

2.44

2.42

0.5

1.0

1.5

2.0

2.5

3.0

Figure 8. Typical Load Regulation (VIN = 5 V; See Figure 1)

2.52

2.50

2.505

2.51

2.515

VIN (V)

Figure 9. Typical Line Regulation vs. VIN (ILOAD = 1 A; See Figure 19)

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