© 1999 SEMTECH CORP.

652 MITCHELL ROAD NEWBURY PARK CA 91320

4.6 AMP LOW DROPOUT

POSITIVE VOLTAGE REGULATORS

EZ1585

November 22, 1999

2

ELECTRICAL CHARACTERISTICS

Unless otherwise specified, Adj V

Fixed V

NOTES:

(1) Low duty cycle pulse testing with Kelvin connections required.

(2)

∆V

(3) Bandwidth of 10 Hz to 10 kHz.

(4) 120 Hz input ripple (C

(5) Over Temp. (O.T.) = over specified operating junction temperature range.

Test Conditions

Test Limits

Parameter

Symbol

V

IN

I

O

T

J

(5)

Min

Typ

Max

Units

Output Voltage

(1)

V

O

5V

10mA

25°C

0.99lV

1.01lV

Fixed Voltage Version

O.T.

0.98lV

1.02lV

Reference Voltage

(1)

V

REF

5V

10mA

25°C

1.238

1.250

1.262

V

Adj Voltage Version

O.T.

1.225

1.250

1.275

Line Regulation

(1)

REG

(LINE)

25°C

0.015

0.2

%

Fixed Voltage Version

0mA

O.T.

0.035

0.2

Adj Voltage Version

10mA

O.T.

0.035

0.2

Load Regulation

(1)

REG

(LOAD)

5V

25°C

0.05

0.3

%

O.T.

0.2

0.4

Dropout Voltage

(2)

V

D

25°C

1

V

EZ1585

O.T.

1.1

1.3

Current Limit

I

CL

O.T.

4.7

7.5

A

Quiescent Current

Fixed Voltage Version

I

Q

5V

O.T.

10

13

mA

Temperature Coefficient

T

C

O.T.

0.005

%/°C

Adjust Pin Current

I

ADJ

25°C

55

µA

O.T.

90

Adjust Pin Current

Change

∆I

ADJ

O.T.

0.2

5

µA

Temperature Stability

T

S

5V

0.5A

O.T.

0.5

%

Minimum Load Current

Adj Voltage Version

I

O

5V

O.T.

5

10

mA

RMS Output Noise

(3)

V

N

25°C

0.003

%V

O

Ripple Rejection Ratio

(4)

R

A

5V

4.6A

O.T.

60

72

dB