© 2000 SEMTECH CORP.

652 MITCHELL ROAD NEWBURY PARK CA 91320

700mA SmartLDO

TM

SC1537

PRELIMINARY - July 25, 2000

2

ABSOLUTE MAXIMUM RATINGS

Parameter

Symbol

Maximum

Units

Input Supply Voltage

VIN

-0.5 to +7

V

Auxiliary Supply Voltage

VAUX

-0.5 to +7

V

LDO Output Current

I

O

10 to 700

mA

Operating Ambient Temperature Range

T

A

0 to +70

°C

Operating Junction Temperature Range

T

J

0 to +125

°C

Storage Temperature Range

T

STG

-65 to +150

°C

Lead Temperature (Soldering) 10 Sec

T

LEAD

300

°C

Thermal Impedance Junction to Ambient

SO-8

(1)

TO-263

θ

JA

65

60

°C/W

Thermal Impedance

Junction to Case

SO-8

TO-263

θ

J C

39

3

°C/W

ESD Rating (Human Body Model)

ESD

2

kV

Note:

(1) 1 inch square of 1/16” FR-4, double sided, 1 oz. minimum copper weight.

ELECTRICAL CHARACTERISTICS

Unless specified, T

Parameter

Symbol

Test Conditions

MIN

TYP

MAX

Units

VIN

Supply Voltage

VIN

VAUX = 0V

4.75

5.00

5.25

V

Quiescent Current

I

Q

VIN = 5V, VAUX = 0V, I

9.0

14.0

mA

16.0

VIN = 5V, VAUX = 3.3V, I

13.0

17.0

mA

18.0

Reverse Leakage From VAUX

I

VIN

VAUX = 3.6V, VIN = 0V, I

-1.5

-3.0

mA

-4.0

VAUX

Supply Voltage

VAUX

3.0

3.3

3.6

V

Quiescent Current

I

Q(AUX)

VAUX = 3.3V, VIN = 0V, I

8.0

11.0

mA

13.0

VAUX = 3.3V, VIN = 5V, I

1.5

2.5

mA

3.0