LT1764EQ-2.5 datasheet(3/20 Pages) LINER

部件名	LT1764EQ-2.5

功能描述	3A, Fast Transient Response, Low Noise,LDO Regulators

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制造商	LINER [Linear Technology]

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3

LT1764 Series

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PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Minimum Input Voltage

ILOAD = 0.5A

1.7

V

(Notes 3, 11)

ILOAD = 1.5A

1.9

V

ILOAD = 2.7A, 110°C < TJ ≤ 125°C

2.3

2.7

V

ILOAD = 3A, – 40°C ≤ TJ ≤ 110°C

2.3

2.7

V

Regulated Output Voltage

LT1764-1.5

VIN = 2.21V, ILOAD = 1mA

1.477

1.500

1.523

V

(Note 4)

2.7V < VIN < 20V, 1mA < ILOAD < 3A, – 40°C ≤ TJ ≤ 110°C

1.447

1.500

1.545

V

2.7V < VIN < 20V, 1mA < ILOAD < 2.7A, 110°C < TJ ≤ 125°C

1.447

1.500

1.545

V

LT1764-1.8

VIN = 2.3V, ILOAD = 1mA

1.773

1.800

1.827

V

2.8V < VIN < 20V, 1mA < ILOAD < 3A, – 40°C ≤ TJ ≤ 110°C

1.737

1.800

1.854

V

2.8V < VIN < 20V, 1mA < ILOAD < 2.7A, 110°C < TJ ≤ 125°C

1.737

1.800

1.854

V

LT1764-2.5

VIN = 3V, ILOAD = 1mA

2.462

2.500

2.538

V

3.5V < VIN < 20V, 1mA < ILOAD < 3A, – 40°C ≤ TJ ≤ 110°C

2.412

2.500

2.575

V

3.5V < VIN < 20V, 1mA < ILOAD < 2.7A, 110°C < TJ ≤ 125°C

2.412

2.500

2.575

V

LT1764-3.3

VIN = 3.8V, ILOAD = 1mA

3.250

3.300

3.350

V

4.3V < VIN < 20V, 1mA < ILOAD < 3A, – 40°C ≤ TJ ≤ 110°C

3.183

3.300

3.400

V

4.3V < VIN < 20V, 1mA < ILOAD < 2.7A, 110°C < TJ ≤ 125°C

3.183

3.300

3.400

V

ADJ Pin Voltage

LT1764

VIN = 2.21V, ILOAD = 1mA

1.192

1.210

1.228

V

(Notes 3, 4)

2.7V < VIN < 20V, 1mA < ILOAD < 3A, – 40°C ≤ TJ ≤ 110°C

1.168

1.210

1.246

V

2.7V < VIN < 20V, 1mA < ILOAD < 2.7A, 110°C < TJ ≤ 125°C

1.168

1.210

1.246

V

Line Regulation

LT1764-1.5

∆VIN = 2.21V to 20V, ILOAD = 1mA

●

2.5

10

mV

LT1764-1.8

∆VIN = 2.3V to 20V, ILOAD = 1mA

●

310

mV

LT1764-2.5

∆VIN = 3V to 20V, ILOAD = 1mA

●

410

mV

LT1764-3.3

∆VIN = 3.8V to 20V, ILOAD = 1mA

●

4.5

10

mV

LT1764 (Note 3)

∆VIN = 2.21V to 20V, ILOAD = 1mA

●

210

mV

Load Regulation

LT1764-1.5

VIN = 2.7V, ∆ILOAD = 1mA to 3A

3

7

mV

VIN = 2.7V, ∆ILOAD = 1mA to 3A, – 40°C ≤ TJ ≤ 110°C23

mV

VIN = 2.7V, ∆ILOAD = 1mA to 2.7A, 110°C < TJ ≤ 125°C23

mV

LT1764-1.8

VIN = 2.8V, ∆ILOAD = 1mA to 3A

4

8

mV

VIN = 2.8V, ∆ILOAD = 1mA to 3A, – 40°C ≤ TJ ≤ 110°C25

mV

VIN = 2.8V, ∆ILOAD = 1mA to 2.7A, 110°C < TJ ≤ 125°C25

mV

LT1764-2.5

VIN = 3.5V, ∆ILOAD = 1mA to 3A

4

10

mV

VIN = 3.5V, ∆ILOAD = 1mA to 3A, – 40°C ≤ TJ ≤ 110°C30

mV

VIN = 3.5V, ∆ILOAD = 1mA to 2.7A, 110°C < TJ ≤ 125°C30

mV

LT1764-3.3

VIN = 4.3V, ∆ILOAD = 1mA to 3A

4

12

mV

VIN = 4.3V, ∆ILOAD = 1mA to 3A, – 40°C ≤ TJ ≤ 110°C40

mV

VIN = 4.3V, ∆ILOAD = 1mA to 2.7A, 110°C < TJ ≤ 125°C40

mV

LT1764 (Note 3) VIN = 2.7V, ∆ILOAD = 1mA to 3A

2

5

mV

VIN = 2.7V, ∆ILOAD = 1mA to 3A, – 40°C ≤ TJ ≤ 110°C20

mV

VIN = 2.7V, ∆ILOAD = 1mA to 2.7A, 110°C < TJ ≤ 125°C20

mV

Dropout Voltage

ILOAD = 1mA

0.02

0.05

V

VIN = VOUT(NOMINAL)

ILOAD = 1mA

●

0.10

V

(Notes 5, 6, 11)

ILOAD = 100mA

0.07

0.13

V

ILOAD = 100mA

●

0.18

V

ILOAD = 500mA

0.14

0.20

V

ILOAD = 500mA

●

0.27

V

ILOAD = 1.5A

0.25

0.33

V

ILOAD = 1.5A

●

0.40

V

ILOAD = 2.7A, 110°C < TJ ≤ 125°C

0.66

V

ILOAD = 3A

0.34

0.45

V

ILOAD = 3A, – 40°C ≤ TJ ≤ 110°C

0.66

V

ELECTRICAL CHARACTERISTICS

The

● denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25°C. (Note 2)

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