Rev 1.3a

Copyright

 2000

11861 Western Avenue

∞

∞

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∞ Garden Grove, CA 92841

2

(714) 898-8121

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∞ FAX: (714) 893-2570

SG1524B/SG2524B/SG3524B

Oscillator Charging Current ..............................................

Operating Junction Temperature

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

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

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

Lead Temperature (Soldering, 10 seconds) ...................

Input Voltage (+V

..........................................................

Collector Voltage .............................................................

Logic Inputs ..........................................................

Current Limit Sense Inputs .....................................

Output Current (each transistor) .................................

Reference Load Current ...............................................

42V

60V

-0.3V to 5.5V

-0.3V to V

IN

200mA

50mA

5mA

150

°C

150

°C

-65

°C to 150°C

300

°C

Note 1. Values beyond which damage may occur.

THERMAL DATA

J Package:

θ

30°C/W

θ

N Package:

θ

40°C/W

θ

65°C/W

DW Package:

θ

θ

95°C/W

L Package:

θ

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.

Note 2: Range over which the device is functional.

Input Voltage (+V

................................................

Collector Voltage ....................................................

Error Amp Common Mode Range .......................

Current Limit Sense Common Mode Range ......

Output Current (each transistor) ..........................

Reference Load Current ........................................

Oscillator Charging Current ............................

7V to 40V

0V to 60V

2.3V to V

REF

0V to V

0 to 100mA

0 to 20mA

25µA to 1.8mA

Oscillator Frequency Range ........................

Oscillator Timing Resistor (R

Oscillator Timing Capacitor (C

Operating Ambient Temperature Range

SG1524B ....................................................

SG2524B ......................................................

SG3524B .........................................................

100Hz to 400KHz

2K

Ω to 150KΩ

1nF to 0.1

µF

-55

°C to 125°C

-25

°C to 85°C

0

°C to 70°C

ELECTRICAL CHARACTERISTICS

(Unless otherwise specified, these specifications apply over the operating ambient temperatures for SG1524B with -55

°C ≤ T

25

°C ≤ T

temperatures equal to the ambient temperature.)

5.00

3

5

15

50

5.05

20

30

50

5.10

120

4.90

4.80

25

5.00

3

5

15

50

4.95

4.90

25

T

V

I

Over Operating Temperature Range

Over Line, Load and Temperature

V

Output Voltage

Line Regulation

Load Regulation

Total Output Voltage Range

Short Circuit Current

V

mV

mV

mV

V

mA

Min. Typ. Max. Min. Typ. Max.

5.10

30

50

50

5.20

120

SG3524B

SG1524B/2524B

Units

Test Conditions

Parameter

Undervoltage Lockout Section

Threshold Voltage

Note 3. I

V

4.9

4.5

4.2

4.7

4.5

4.3

RoHS Peak Package Solder Reflow Temp. (40 sec. max. exp.)...... 260°C(+0, -5)