© 2000 SEMTECH CORP.

652 MITCHELL ROAD NEWBURY PARK CA 91320

VERY LOW DROPOUT 1.5 AMP

REGULATOR WITH ENABLE

SC1565

October 3, 2000

2

ABSOLUTE MAXIMUM RATINGS

Parameter

Symbol

Max

Units

Input Voltage

V

IN

5.5

V

Power Dissipation

P

D

Internally Limited

W

Thermal Resistance Junction to Ambient

SO-8

(1)

SOT-223

TO-220-X

θ

JA

65

63

50

°C/W

Thermal Resistance Junction to Case

SO-8

SOT-223

TO-220-X

θ

JC

39

27

3

°C/W

Operating Ambient Temperature Range

T

A

-40 to 85

°C

Operating Junction Temperature Range

T

J

-40 to 150

°C

Storage Temperature Range

T

STG

-65 to 150

°C

Lead Temperature (Soldering) 10 Sec.

T

LEAD

300

°C

ESD Rating (Human body model)

ESD

4

kV

Note:

(1) 1 square inch of FR-4, double sided, 1 oz. minimum copper weight.

ELECTRICAL CHARACTERISTICS

Unless specified: V

Adjustable Option (V

Fixed Options (V

Values in bold apply over the full operating temperature range.

Parameter

Symbol

Test Conditions

Min

Typ

Max

Units

VIN

Supply Voltage Range

VIN

2.2

5.5

V

Quiescent Current

I

Q

V

0.75

1.75

mA

V

10

35

µA

VO

Output Voltage

(1)

V

O

V

0.99V

O

V

O

1.01V

O

V

(Internal Fixed Voltage)

0.98V

O

V

O

1.02V

O

Line Regulation

(1)

REG

(LINE)

V

0.035

0.3

%

Load Regulation

(1)

REG

(LOAD)

V

0.2

0.4

%