Rev 1.2a

Copyright

© 1997

11861 Western Avenue

∞

∞

∞

∞

∞ Garden Grove, CA 92841

2

(714) 898-8121

∞

∞

∞

∞

∞ FAX: (714) 893-2570

SG1548/SG2548/SG3548

Inverting Op Amp Output Current ....................................

Operating Junction Temperature

Hermetic (J, L Packages) .............................................

Plastic (N, DW Packages) ............................................

Storage Temperature Range ............................

Lead Temperature ...........................................................

Supply Voltage (+V

Fault Output Collector Voltage ............................................

Sense Input Voltage Range .................................

Fault Output Sink Current ................................................

Line Sense Input Current .................................................

Inverting Op Amp Input Current ........................................

40V

40V

-0.3V to 6.0V

20mA

±1mA

-5mA

25mA

150

°C

150

°C

-65

°C to 150°C

300

°C

Note 1. Values beyond which damage may occur.

THERMAL DATA

J Package:

θ

θ

N Package:

θ

40°C/W

θ

65°C/W

DW Package:

θ

40°C/W

θ

95°C/W

L Package:

θ

35°C/W

θ

120°C/W

Note A. Junction Temperature Calculation: T

Note B. The above numbers for

θ

thermal resistance of the package in a standard mount-

ing configuration. The

θ

guidelines for the thermal performance of the device/pc-

board system. All of the above assume no ambient

airflow.

2.625

3.500

2.375

1.500

±0.6

100

DC Sense Inputs Section

V

V

V

V

V

+V

Overvoltage Threshold

Undervoltage Threshold

Input Bias Current

Threshold Supply Rejection

4.5V to 35V

5.0V to 35V

1.5V to 2.45V

±5% to ±40%

0 to 10mA

Supply Voltage Range

±40% Maximum Fault Window ...........................

Lower Threshold Input Range .............................

Fault Tolerance Window Range ..........................

Fault Output Sink Current Range .............................

Line Sense Output Current Range ...........................

Voltage Reference Output Current ...........................

Operating Ambient Temperature Range

SG1548 .........................................................

SG2548 ...........................................................

SG3548 ...............................................................

0 to 10mA

0 to 10mA

-55

°C to 125°C

-25

°C to 85°C

0

°C to 70°C

Note 2. Range over which the device is functional.

Note 3. Limited by inverter amplifier positive swing at -55

°C.

ELECTRICAL CHARACTERISTICS

(Unless otherwise specified, these specifications apply over the operating ambient temperatures for SG1548 with -55

°C ≤ T

125

°C, SG2548 with

-25

°C ≤ T

temperatures equal to the ambient temperature.)

T

Over Temperature

+V

I

V

Output Voltage

Line Regulation

Load Regulation

Short Circuit Current

4.8

+V

Supply Current

mA

10

Min. Typ. Max.

SG3548

SG1548/2548

Test Conditions

Parameter

Units

Supply Section

-0.4

V

Input Bias Current

µA

Fault Window Generator Section

Min. Typ. Max.

10

4.8

2.475

2.450

10

2.500

1

3

25

2.525

2.550

5

10

50

2.475

2.450

10

2.500

1

3

25

2.525

2.550

5

10

50

V

V

mV

mV

mA

-2.0

-0.4

-2.0

2.547

3.396

2.304

1.455

60

2.704

3.606

2.447

1.545

±2.0

2.547

3.396

2.304

1.455

60

2.625

3.500

2.375

1.500

±0.6

100

2.704

3.606

2.447

1.545

±2.0

V

V

V

V

µA

dB

Note 4. I

L

= 0mA

Pb-free / RoHS Peak Package Solder Reflow Temp. (40 second max. exposure).. 260°C (+0, -5)