LT3077ACRZ-R7 datasheet(18/38 Pages) AD

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Data Sheet

LT3077

analog.com

Rev. 0

18 of 38

TYPICAL PERFORMANCE CHARACTERISTICS

TJ = 25°C, unless noted otherwise.

Figure 34. External Current Limit (3A)

Figure 35. External Current Limit (1A)

Figure 36. Internal Current Limit

Figure 37. Load Regulation

Figure 38. VIN Line Regulation

Figure 39. VBIAS Line Regulation

VIN = 1.3V

VOUT = 0V

RILIM = 1kΩ

VBIAS = 2.375V

VBIAS = 5.5V

TEMPERATURE (°C)

–50

–25

100

125

150

2.80

2.85

2.90

2.95

3.00

3.05

3.10

3.15

3.20

VIN = 1.3V

VOUT = 0V

RILIM = 3kΩ

VBIAS = 2.375V

VBIAS = 5.5V

TEMPERATURE (°C)

–50

–25

100

125

150

0.80

0.85

0.90

0.95

1.00

1.05

1.10

1.15

1.20

VBIAS = 2.375V

VBIAS = 5.5V

TEMPERATURE (°C)

–50

–25

100

125

150

4.10

4.25

4.40

4.55

4.70

4.85

5.00

5.15

5.30

5.45

5.60

TEMPERATURE (°C)

0.2

VIN = VOUT + 200mV

VOUT = 0.5V, VBIAS = 2.375V, ΔIOUT = 50mA TO 3A

VOUT = 1.2V, VBIAS = 2.4V, ΔIOUT = 10mA TO 3A

VOUT = 3.3V, VBIAS = 4.5V, ΔIOUT = 10mA TO 3A

VOUT = 4.2V, VBIAS = 5.5V, ΔIOUT = 10mA TO 3A

0.1

–0.1

–0.2

–0.3

–0.4

–0.5

–0.6

–0.7

–0.8

–25

–50

100

125

150

100

125

150

= 0.5V, VBIAS = 2.375V, I

= 50mA

VOUT = 4.2V, VBIAS = 5.5V, ILOAD = 10mA

ΔVIN = VOUT + 200mV TO 5.5V

VIN = VOUT + 200mV

VOUT = 0.5V, VBIAS = 2.375V TO 5.5V, ILOAD = 50mA

TEMPERATURE (°C)

–50

–25

100

125

150

–0.30

–0.25

–0.20

–0.15

–0.10

–0.05

0.05

0.10

A N A L O G D E V I C E S

C O N F I D E N T I A L

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