LT1963ET View Datasheet(PDF) - Linear Technology

Part Name

Description

Manufacturer

LT1963ET

1.5A, Low Noise, Fast Transient Response LDO Regulators

Linear Technology 

LT1963 Series

ELECTRICAL CHARACTERISTICS

The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25°C. (Note 3)

PARAMETER

Minimum Input Voltage (Notes 4,12)

Regulated Output Voltage (Note 5)

ADJ Pin Voltage

(Notes 4, 5)

Line Regulation

Load Regulation

Dropout Voltage

VIN = VOUT(NOMINAL)

(Notes 6, 7, 12)

GND Pin Current

VIN = VOUT(NOMINAL) + 1V

(Notes 6, 8)

Output Voltage Noise

ADJ Pin Bias Current

Shutdown Threshold

SHDN Pin Current

(Note 10)

Quiescent Current in Shutdown

Ripple Rejection

CONDITIONS

ILOAD = 0.5A

ILOAD = 1.5A

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

LT1963-1.5

VIN = 2.21V, ILOAD = 1mA

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

LT1963-1.8

VIN = 2.3V, ILOAD = 1mA

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

LT1963-2.5

VIN = 3V, ILOAD = 1mA

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

LT1963-3.3

VIN = 3.8V, ILOAD = 1mA

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

LT1963

VIN = 2.21V, ILOAD = 1mA

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

LT1963-1.5

∆VIN = 2.21V to 20V, ILOAD = 1mA

LT1963-1.8

∆VIN = 2.3V to 20V, ILOAD = 1mA

LT1963-2.5

∆VIN = 3V to 20V, ILOAD = 1mA

LT1963-3.3

∆VIN = 3.8V to 20V, ILOAD = 1mA

LT1963 (Note 4) ∆VIN = 2.21V to 20V, ILOAD = 1mA

LT1963-1.5

VIN = 2.5V, ∆ILOAD = 1mA to 1.5A

VIN = 2.5V, ∆ILOAD = 1mA to 1.5A

LT1963-1.8

VIN = 2.8V, ∆ILOAD = 1mA to 1.5A

VIN = 2.8V, ∆ILOAD = 1mA to 1.5A

LT1963-2.5

VIN = 3.5V, ∆ILOAD = 1mA to 1.5A

VIN = 3.5V, ∆ILOAD = 1mA to 1.5A

LT1963-3.3

VIN = 4.3V, ∆ILOAD = 1mA to 1.5A

VIN = 4.3V, ∆ILOAD = 1mA to 1.5A

LT1963 (Note 4) VIN = 2.5V, ∆ILOAD = 1mA to 1.5A

VIN = 2.5V, ∆ILOAD = 1mA to 1.5A

ILOAD = 1mA

ILOAD = 1mA

ILOAD = 100mA

ILOAD = 100mA

ILOAD = 500mA

ILOAD = 500mA

ILOAD = 1.5A

ILOAD = 1.5A

ILOAD = 0mA

ILOAD = 1mA

ILOAD = 100mA

ILOAD = 500mA

ILOAD = 1.5A

COUT = 10µF, ILOAD = 1.5A, BW = 10Hz to 100kHz

(Notes 4, 9)

VOUT = Off to On

VOUT = On to Off

VSHDN = 0V

VSHDN = 20V

VIN = 6V, VSHDN = 0V

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

fRIPPLE = 120Hz, ILOAD = 0.75A

MIN

●

1.477

● 1.447

1.773

● 1.737

2.462

● 2.412

3.250

● 3.200

1.192

● 1.174

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

●

● 0.25

55

TYP

1.9

2.1

1.500

1.500

1.800

1.800

2.500

2.500

3.300

3.300

1.210

1.210

2.0

2.5

3.0

3.5

1.5

2

2

2.5

3

2

0.02

0.10

0.19

0.34

1.0

1.1

3.8

15

80

40

3

0.90

0.75

0.01

3

0.01

63

MAX

2.5

1.523

1.545

1.827

1.854

2.538

2.575

3.350

3.400

1.228

1.246

10

10

10

10

10

9

18

10

20

15

30

20

35

8

15

0.06

0.10

0.17

0.22

0.27

0.35

0.45

0.55

1.5

1.6

5.5

25

120

10

2

1

30

1

UNITS

V

V

V

V

V

V

V

V

V

V

V

V

mV

mV

mV

mV

mV

mV

mV

mV

mV

mV

mV

mV

mV

mV

mV

V

V

V

V

V

V

V

V

mA

mA

mA

mA

mA

µVRMS

µA

V

V

µA

µA

µA

dB

1963fc

3

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