LT1963AES8-1.8 datasheet(3/20 Pages) LINER

Part #	LT1963AES8-1.8

Description	1.5A, Low Noise, Fast Transient Response LDO Regulators

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Manufacturer	LINER [Linear Technology]

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LT1963A Series

1963af

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

Minimum Input Voltage (Notes 4,12)

ILOAD = 0.5A

1.9

V

ILOAD = 1.5A

●

2.1

2.5

V

Regulated Output Voltage (Note 5)

LT1963A-1.5

VIN = 2.21V, ILOAD = 1mA

1.477

1.500

1.523

V

2.5V < VIN < 20V, 1mA < ILOAD < 1.5A

●

1.447

1.500

1.545

V

LT1963A-1.8

VIN = 2.3V, ILOAD = 1mA

1.773

1.800

1.827

V

2.8V < VIN < 20V, 1mA < ILOAD < 1.5A

●

1.737

1.800

1.854

V

LT1963A-2.5

VIN = 3V, ILOAD = 1mA

2.462

2.500

2.538

V

3.5V < VIN < 20V, 1mA < ILOAD < 1.5A

●

2.412

2.500

2.575

V

LT1963A-3.3

VIN = 3.8V, ILOAD = 1mA

3.250

3.300

3.350

V

4.3V < VIN < 20V, 1mA < ILOAD < 1.5A

●

3.200

3.300

3.400

V

ADJ Pin Voltage

LT1963A

VIN = 2.21V, ILOAD = 1mA

1.192

1.210

1.228

V

(Notes 4, 5)

2.5V < VIN < 20V, 1mA < ILOAD < 1.5A

●

1.174

1.210

1.246

V

Line Regulation

LT1963A-1.5

DVIN = 2.21V to 20V, ILOAD = 1mA

●

2.0

6

mV

LT1963A-1.8

DVIN = 2.3V to 20V, ILOAD = 1mA

●

2.5

7

mV

LT1963A-2.5

DVIN = 3V to 20V, ILOAD = 1mA

●

3.0

10

mV

LT1963A-3.3

DVIN = 3.8V to 20V, ILOAD = 1mA

●

3.5

10

mV

LT1963A (Note 4)

DVIN = 2.21V to 20V, ILOAD = 1mA

●

1.5

5

mV

Load Regulation

LT1963A-1.5

VIN = 2.5V,

DILOAD = 1mA to 1.5A

2

9

mV

VIN = 2.5V,

DILOAD = 1mA to 1.5A

●

18

mV

LT1963A-1.8

VIN = 2.8V,

DILOAD = 1mA to 1.5A

2

10

mV

VIN = 2.8V,

DILOAD = 1mA to 1.5A

●

20

mV

LT1963A-2.5

VIN = 3.5V,

DILOAD = 1mA to 1.5A

2.5

15

mV

VIN = 3.5V,

DILOAD = 1mA to 1.5A

●

30

mV

LT1963A-3.3

VIN = 4.3V,

DILOAD = 1mA to 1.5A

3

20

mV

VIN = 4.3V,

DILOAD = 1mA to 1.5A

●

35

mV

LT1963A (Note 4)

VIN = 2.5V,

DILOAD = 1mA to 1.5A

2

8

mV

VIN = 2.5V,

DILOAD = 1mA to 1.5A

●

15

mV

Dropout Voltage

ILOAD = 1mA

0.02

0.06

V

VIN = VOUT(NOMINAL)

ILOAD = 1mA

●

0.10

V

(Notes 6, 7, 12)

ILOAD = 100mA

0.10

0.17

V

ILOAD = 100mA

●

0.22

V

ILOAD = 500mA

0.19

0.27

V

ILOAD = 500mA

●

0.35

V

ILOAD = 1.5A

0.34

0.45

V

ILOAD = 1.5A

●

0.55

V

GND Pin Current

ILOAD = 0mA

●

1.0

1.5

mA

VIN = VOUT(NOMINAL) + 1V

ILOAD = 1mA

●

1.1

1.6

mA

(Notes 6, 8)

ILOAD = 100mA

●

3.8

5.5

mA

ILOAD = 500mA

●

15

25

mA

ILOAD = 1.5A

●

80

120

mA

Output Voltage Noise

COUT = 10

mF, ILOAD = 1.5A, BW = 10Hz to 100kHz

40

mVRMS

ADJ Pin Bias Current

(Notes 4, 9)

3

10

mA

Shutdown Threshold

VOUT = Off to On

●

0.90

2

V

VOUT = On to Off

●

0.25

0.75

V

SHDN Pin Current

VSHDN = 0V

0.01

1

mA

(Note 10)

VSHDN = 20V

3

30

mA

Quiescent Current in Shutdown

VIN = 6V, VSHDN = 0V

0.01

1

mA

Ripple Rejection

VIN – VOUT = 1.5V (Avg), VRIPPLE = 0.5VP-P,55

63

dB

fRIPPLE = 120Hz, ILOAD = 0.75A

Current Limit

VIN = 7V, VOUT = 0V

2

A

VIN = VOUT(NOMINAL) + 1V,

DVOUT = –0.1V

●

1.6

A

The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25

∞C. (Note 2)

ELECTRICAL CHARACTERISTICS

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