2

© 2005 Semtech Corp.

www.semtech.com

POWER MANAGEMENT

SC900A

Parameter

Symbol

Maximum

Units

Input Supply Voltage

V

IN

-0.3 to +7

V

Digital Input Voltage

V

DIG

-0.3 to VIN +0.3

V

Operating Ambient Temperature Range

T

A

-40 to +85

°C

Operating Junction Temperature Range

T

J

-40 to +125

°C

Peak IR Flow Temperature

T

LEAD

260

°C

Storage Temperature

T

STG

-60 to +150

°C

θ

JA

40

°C/W

ESD

2

kV

Exceeding the specifications below may result in permanent damage to the device or device malfunction. Operation outside of the parameters specified in the

Electrical Characteristics section is not implied.

Unless otherwise noted V

°

C. Typical values are at T

°

C.

(1) Calculated from package in still air, mounted to 3” x 4.5”, 4 layer FR4 PCB with thermal vias under the exposed pad as per JESD51 standards.

(2) Tested according to JEDEC standard JESD22-A114-B.

Electrical Characteristics

Absolute Maximum Ratings

Parameter

Symbol

Conditions

Min

Typ

Max

Units

General

Supply Voltage

V

IN

All outputs < VIN - dropout

2.7

5.5

V

Quiescent Current Shutdown

I

Q-SHUTDOWN

10

μA

Supply Bypass Capacitor

C

VCC

Per input pin

1

μF

Digital Inputs

Digital Input Voltage

V

IL

0.4

V

V

IH

1.6

V

Digital Input Current

I

DIG

-0.2

0.2

μA

Digital Outputs

V

OL

I

2

10

%LDOB

V

OH

I

90

98

%LDOB

Referencing and Biasing Circuitry

Quiescent Current Reference

I

Q-REF

25

μA

Reference Voltage

V

REF

1.227

V

V

I

VREF

C

15

ms

V

C

VREF

0.1

μF