LT1585A(RevA) Ver la hoja de datos (PDF) - Linear Technology

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LT1585A
(Rev.:RevA)

5A Low Dropout Fast Response Positive Regulators Adjustable and Fixed

Linear Technology 

LT1585A/LT1585A-3.3

ABSOLUTE MAXIMUM RATINGS

VIN ............................................................................. 7V

Operating Junction Temperature Range

Control Section ................................... 0°C to 125°C

Power Transistor ................................. 0°C to 150°C

Storage Temperature Range ................. – 65°C to 150°C

Lead Temperature (Soldering, 10 sec).................. 300°C

PRECONDITIONI G

100% Thermal Limit Functional Test

PACKAGE/ORDER INFORMATION

TAB IS

VOUT

FRONT VIEW

3

2

1

ORDER PART

NUMBER

VIN

VOUT

LT1585ACT

ADJ

T PACKAGE

3-LEAD PLASTIC TO-220

θJA = 50°C/W, θJC = 3°C/W

Consult LTC Marketing for parts specified with wider operating temperature ranges.

TAB IS

VOUT

FRONT VIEW

3

2

1

T PACKAGE

3-LEAD PLASTIC TO-220

θJA = 50°C/W, θJC = 3°C/W

ORDER PART

NUMBER

VIN

VOUT LT1585ACT-3.3

GND

ELECTRICAL CHARACTERISTICS

The ● denotes specificatons which apply over the specified temperature range, otherwise specifications are at TA = 25°C.

PARAMETER

CONDITIONS

MIN

TYP

MAX

Reference Voltage LT1585A

Output Voltage LT1585A-3.3

Line Regulation LT1585A

(Notes 1, 2)

LT1585A-3.3

(VIN – VOUT) = 3V, TJ = 25°C, IOUT = 10mA

1.5V ≤ (VIN – VOUT) ≤ 5.75V, 10mA ≤ IOUT ≤ 5A

VIN = 5V, TJ = 25°C, IOUT = 0mA

4.75V ≤ VIN ≤ 7V, 0mA ≤ IOUT ≤ 5A

2.75V ≤ VIN ≤ 7V, IOUT = 10mA

4.75V ≤ VIN ≤ 7V, IOUT = 0mA

1.238 (–1%) 1.250 1.262 (+1%)

● 1.225 (–2%) 1.250 1.275 (+2%)

3.267 (–1%) 3.300 3.333 (+1%)

● 3.235 (– 2%) 3.300 3.365 (+ 2%)

●

0.005

0.2

Load Regulation LT1585A

(Notes 1, 2, 3) LT1585A-3.3

(VN – VOUT) = 3V, TJ = 25°C, 10mA ≤ IOUT ≤ IFULL LOAD

VIN = 5V, TJ = 25°C, 0mA ≤ IOUT ≤ IFULL LOAD

●

0.05

0.3

0.05

0.5

Dropout Voltage LT1585A

LT1585A-3.3

∆VREF = 1%, IOUT = 3A

∆VOUT = 1%, IOUT = 3A

●

1.150 1.300

LT1585A

LT1585A-3.3

∆VREF = 1%, IOUT = 5A

∆VOUT = 1%, IOUT = 5A

●

1.200 1.400

Current Limit

(Note 3)

LT1585A

LT1585A-3.3

(VIN – VOUT) = 5.5V

(VIN – VOUT) = 5.5V

●

5.0

6.0

Adjust Pin Current LT1585A

●

55

120

Adjust Pin Current LT1585A

Change (Note 3)

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

0.2

5

Minimum

Load Current

LT1585A

1.5V ≤ (VIN – VOUT) ≤ 5.75V

●

2

10

Quiescent Current LT1585A-3.3 VIN = 5V

●

8

13

UNITS

V

V

V

V

%

%

%

V

V

A

µA

µA

mA

mA

1585afa

2

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