LT1584CT 데이터 시트보기 (PDF) - Linear Technology

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LT1584CT

7A, 4.6A, 3A Low Dropout Fast Response Positive Regulators Adjustable and Fixed

Linear Technology 

LT1584/LT1585/LT1587

ELECTRICAL CHARACTERISTICS The q denotes the specifications which apply over the full operating

temperature range, otherwise specifications are at TA = 25°C.

PARAMETER

CONDITIONS

MIN

TYP

MAX

Dropout Voltage

LT1584

LT1584-3.3

LT1584-3.38

LT1584-3.45

LT1584-3.6

LT1584IT-3.3

∆VREF = 1%, IOUT = 7A

∆VOUT = 1%, IOUT = 7A

∆VOUT = 1%, IOUT = 7A

∆VOUT = 1%, IOUT = 7A

∆VOUT = 1%, IOUT = 7A

TJ < 25°C

q

1.250 1.400

q

1.250 1.500

Current Limit

(Note 4)

LT1584

LT1584-3.3

LT1584-3.38

LT1584-3.45

LT1584-3.6

(VIN – VOUT) = 3V

(VIN – VOUT) = 3V

(VIN – VOUT) = 3V

(VIN – VOUT) = 3V

(VIN – VOUT) = 3V

q

7.100

8.250

LT1585

LT1585-3.3

(VIN – VOUT) = 5.5V

(VIN – VOUT) = 5.5V

TJ ≥ 25°C

TJ < 25°C

q

4.600

5.25

q

4.100

5.25

LT1585-3.38

LT1585-3.45

LT1585-3.6

(VIN – VOUT) = 5.5V

(VIN – VOUT) = 5.5V

(VIN – VOUT) = 5.5V

q

4.100

4.750

LT1587

LT1587-3.3

LT1587-3.45

LT1587-3.6

(VIN – VOUT) = 5.5V

(VIN – VOUT) = 5.5V

(VIN – VOUT) = 5.5V

(VIN – VOUT) = 5.5V

q

3.100

3.750

Adjust Pin Current LT1584/5/7

q

55

120

Adjust Pin Current LT1584

Change (Note 4) LT1585/7

Minimum

Load Current

LT1584/5/7

1.5V ≤ (VIN – VOUT) ≤ 3V, 10mA ≤ IOUT ≤ IFULL LOAD

1.5V ≤ (VIN – VOUT) ≤ 5.75V, 10mA ≤ IOUT ≤ IFULL LOAD

q

1.5V ≤ (VIN – VOUT) ≤ 5.75V

q

0.2

5

2

10

Quiescent Current LT1584/5/7-3.3 VIN = 5V

LT1584/5-3.38 VIN = 5V

LT1584/5/7-3.45 VIN = 5V

LT1584/5/7-3.6 VIN = 5V

q

LT1584IT-3.3 VIN = 5V

q

Ripple Rejection LT1584

f = 120Hz, COUT = 25µF Tant., (VIN – VOUT) = 2.5V, IOUT = 7A

LT1584-3.3

f = 120Hz, COUT = 25µF Tant., VIN = 5.8V, IOUT = 7A

LT1584-3.38

f = 120Hz, COUT = 25µF Tant., VIN = 5.88V, IOUT = 7A

LT1584-3.45

f = 120Hz, COUT = 25µF Tant., VIN = 5.95V, IOUT = 7A

LT1584-3.6

f = 120Hz, COUT = 25µF Tant., VIN = 6.1V, IOUT = 7A

LT1585

f = 120Hz, COUT = 25µF Tant., (VIN – VOUT) = 3V,

IOUT = 4.6A, TJ ≥ 25°C

f = 120Hz, COUT = 25µF Tant., (VIN – VOUT) = 3V,

IOUT = 4A, TJ < 25°C

LT1585-3.3

f = 120Hz, COUT = 25µF Tant., VIN = 6.3V,

IOUT = 4.6A, TJ ≥ 25°C

f = 120Hz, COUT = 25µF Tant., VIN = 6.3V,

IOUT = 4A, TJ < 25°C

LT1585-3.38

f = 120Hz, COUT = 25µF Tant., VIN = 6.38V, IOUT = 4A

LT1585-3.45

f = 120Hz, COUT = 25µF Tant., VIN = 6.45V, IOUT = 4A

LT1585-3.6

f = 120Hz, COUT = 25µF Tant., VIN = 6.6V, IOUT = 4A

LT1587

f = 120Hz, COUT = 25µF Tant., (VIN – VOUT) = 3V, IOUT = 3A

LT1587-3.3

f = 120Hz, COUT = 25µF Tant., VIN = 6.3V, IOUT = 3A

LT1587-3.45

f = 120Hz, COUT = 25µF Tant., VIN = 6.45V, IOUT = 3A

LT1587-3.6

f = 120Hz, COUT = 25µF Tant., VIN = 6.6V, IOUT = 3A

q

60

8

13

8

15

72

UNITS

V

V

A

A

A

A

A

µA

µA

mA

mA

mA

dB

158457a

4

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