SG109 datasheet(2/3 Pages) MICROSEMI

2 / 3 page

SG109/SG309

4/90 Rev 1.1 2/94

LINFINITY Microelectronics Inc.

11861 Western Avenue

∞

∞ Garden Grove, CA 92841

(714) 898-8121

∞

∞ FAX: (714) 893-2570

Input Voltage ........................................................................ 35V

Power Dissipation ........................................... Internally Limited

Storage Temperature Range ............................. -65

°C to 150°C

ABSOLUTE MAXIMUM RATINGS (Note 1)

Note 1. Exceeding these ratings could cause damage to the device.

K Package:

Thermal Resistance-Junction to Case,

JC .................

3.0°C/W

Thermal Resistance-Junction to Ambient,

JA ..............

35°C/W

R Package:

Thermal Resistance-Junction to Case,

JC .................

5.0°C/W

Thermal Resistance-Junction to Ambient,

JA ..............

40°C/W

IG Package:

Thermal Resistance-Junction to Case,

JC .................

3.5°C/W

Thermal Resistance-Junction to Ambient,

JA ..............

42°C/W

T Package:

Thermal Resistance-Junction to Case,

JC ..................

15°C/W

Thermal Resistance-Junction to Ambient,

JA ............. 120°C/W

THERMAL DATA

Input Voltage Range ............................................... 7.0V to 25V

Note 2. Range over which the device is functional.

ELECTRICAL CHARACTERISTICS

(Unless otherwise specified, these specifications apply over the operating ambient temperatures for SG109 with -55°C

≤ T

A ≤ 150°C, SG309 with

0°C

≤ T

A ≤

125°C, and for V

= 10V, I

OUT

= 500mA (K, R, and IG -Power Packages-) and I

OUT

= 100mA (T-package). Low duty cycle pulse testing techniques

are used which maintains junction and case temperatures equal to the ambient temperature.)

RECOMMENDED OPERATING CONDITIONS (Note 2)

Units

SG309

SG109

Parameter

Test Conditions

A = 25°C

IN = 7.1V to 25V, TA = 25°C

A = 25°C

Power Pkgs: I

OUT = 5mA to 1.5A

T-package: I

OUT =5mA to 500mA

IN= 7.4V to 25V

Power Pkgs: I

OUT = 5mA to 1.0A,

≤ 20W

T-package: I

OUT =5mA to 200mA, P ≤ 20W

IN = 7.4V to 25V

With Line : V

IN = 7.4V to 25V

With Load: Power Pkgs: I

OUT = 5mA to 1.0A

T-package: I

OUT =5mA to 200mA

f = 10Hz to 100KHz, T

A = 25°C

Output Voltage

Line Regulation

Load Regulation

Total Output Voltage Tolerance

Quiescent Current

Quiescent Current Change

Output Noise Voltage

Long Term Stability

Ripple Rejection

4.7

4.6

5.05

4.0

5.0

5.3

100

5.4

0.5

0.8

4.8

4.75

5.05

4.0

5.00

5.2

100

5.25

0.5

0.8

µV

Min.

Max.

Typ.

Min.

Typ. Max.

Operating Junction Temperature Range

SG109 ............................................................ -55°C to 150°C

SG309 ............................................................... 0°C to 125°C

Operating Junction Temperature

Hermetic (K, R, T, IG-Packages) .................................. 150

°C

Lead Temperature (Soldering, 10 Seconds) ................ 300

°C

Note A. Junction Temperature Calculation: T

= T

+ (P

Note B. The above numbers for

JC are maximums for the limiting

thermal resistance of the package in a standard mount-

ing configuration. The

JA numbers are meant to be

guidelines for the thermal performance of the device/

pc-board system. All of the above assume no ambient

airflow.

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