LT1764A View Datasheet(PDF) - Linear Technology

Part Name

Description

Manufacturer

LT1764A

3A, Fast Transient Response, Low Noise, LDO Regulators

Linear Technology 

LT1764A Series

TYPICAL PERFOR A CE CHARACTERISTICS

RMS Output Noise vs Load Current

(10Hz to 100kHz)

40

COUT = 10µF

35

LT1764A-3.3

LT1764A-3.3 10Hz to 100kHz

Output Noise

30

LT1764A-2.5

25

LT1764A-1.8

20

15

LT1764A-1.5 LT1764A

10

5

0

0.0001 0.001 0.01 0.1

1

10

LOAD CURRENT (A)

1764 G36

VOUT

100µV/DIV

COUT = 10µF

IL = 3A

1ms/DIV

1764A G37

LT1764A-3.3 Transient Response

0.2

0.1

0

–0.1

VIN = 4.3V

–0.2

CIN = 3.3µF TANTALUM

COUT = 10µF TANTALUM

1.00

0.75

0.50

0.25

0

0 2 4 6 8 10 12 14 16 18 20

TIME (µs)

1764 G38

LT1764A-3.3 Transient Response

0.2

0.1

0

–0.1

VIN = 4.3V

–0.2

CIN = 33µF

COUT = 100µF TANTALUM

+ 10 × 1µF CERAMIC

3

2

1

0

0 2 4 6 8 10 12 14 16 18 20

TIME (µs)

1764 G39

1764afb

9

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