SG120-18IG [MICROSEMI]

NEGATIVE FIXED VOLTAGE REGULATOR; 负的固定电压稳压器
SG120-18IG
型号: SG120-18IG
厂家: Microsemi    Microsemi
描述:

NEGATIVE FIXED VOLTAGE REGULATOR
负的固定电压稳压器

线性稳压器IC 调节器 电源电路 输出元件 局域网
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SG120  
NEGATIVE FIXED VOLTAGE REGULATOR  
DESCRIPTION  
FEATURES  
The SG120 series of negative regulators offer self-contained, fixed-voltage  
capability with up to 1.5A of load current. With a variety of output voltages and four  
package options this regulator series is an optimum complement to the SG7800A/  
7800/120 line of three terminal regulators.  
Output current to 1.5A  
Excellent line and load regulation  
Foldback current limiting  
Thermal overload protection  
Voltages available: -5V, -12V, -15V  
Voltages Not Recommended For New  
Designs: -5.2V, -8V, -18V, -20V  
Contact factory for other voltage  
options  
All protective features of thermal shutdown, current limiting, and safe-area control  
have been designed into these units and since these regulators require only a  
single output capacitor or a capacitor and 5mA minimum load for satisfactory  
performance, ease of application is assured.  
Although designed as fixed-voltage regulators, the output voltage can be in-  
creased through the use of a simple voltage divider. The low quiescent drain  
current of the device insures good regulation when this method is used, especially  
for the SG120 series. Utilizing an improved Bandgap reference design, problems  
have been eliminated that are normally associated with the zener diode refer-  
ences, such as drift in output voltage and large changes in the line and load  
regulation  
HIGH RELIABILITY FEATURES  
- SG120  
Available to MIL-STD - 883  
Radiation data available  
LMI level "S" processing available  
These devices are available in TO-257 (hermetically sealed TO-220), both  
isolated and non-isolated), TO-3, TO-39 and TO-66 power packages.  
SCHEMATIC DIAGRAM  
11/91 Rev 1.4 6/97  
LINFINITY  
Microelectronics  
Inc.  
Copyright 1997  
11861 Western Avenue  
Garden Grove, CA 92841  
FAX: (714) 893-2570  
1
(714) 898-8121  
SG120  
NEGATIVE REGULATOR  
ABSOLUTE MAXIMUM RATINGS (Note 1)  
Device  
Output Voltage  
-5V  
Input Voltage Differential  
(Output shorted to ground)  
Input Voltage  
-35V  
35V  
35V  
35V  
35V  
35V  
35V  
35V  
-5.2V  
-8V  
-12V  
-15V  
-18V  
-20V  
-35V  
-35V  
-35V  
-40V  
-40V  
-40V  
Operating Junction Temperature  
Hermetic (K, R, IG - Packages) ................................... 150°C  
Storage Temperature Range ........................... -65°C to 150°C  
Lead Temperature (Soldering, 10 Seconds) ................. 300°C  
Note 1. Values beyond which damage may occur.  
THERMAL DATA  
K Package:  
Note A. Junction Temperature Calculation: TJ = TA + (PD x θJA).  
Note B. The above numbers forθJC aremaximumsforthelimitingthermal  
resistance of the package in a standard mounting configuration.  
The θJA numbers are meant to be guidelines for the thermal  
performance of the device/pc-board system. All of the above  
assume no ambient airflow.  
Thermal Resistance-Junction to Case, θJC ................. 3.0°C/W  
Thermal Resistance-Junction to Ambient, θJA ............... 35°C/W  
R Package:  
Thermal Resistance-Junction to Case, θJC ................. 5.0°C/W  
Thermal Resistance-Junction to Ambient, θJA .............. 40°C/W  
T Package:  
Thermal Resistance-Junction to Case, θJC .................. 15°C/W  
Thermal Resistance-Junction to Ambient, θJA ............ 120°C/W  
IG Package:  
Thermal Resistance-Junction to Case, θJC ................. 3.5°C/W  
Thermal Resistance-Junction to Ambient, θJA .............. 42°C/W  
L Package:  
Thermal Resistance-Junction to Case, θJC .................. 35°C/W  
Thermal Resistance-Junction to Ambient, θJA ............ 120°C/W  
RECOMMENDED OPERATING CONDITIONS (Note 2)  
Operating Junction Temperature Range:  
SG120 ........................................................... -55°C to 150°C  
Note 2. Range over which the device is functional.  
CHARACTERISTIC CURVES  
FIGURE 1.  
FIGURE 2.  
FIGURE 3.  
MAXIMUM AVERAGE POWER DISSIPATION  
QUIESCENT CURRENT VS. LOAD  
TEMPERATURE COEFFICIENT  
11/91 Rev 1.4 6/97  
LINFINITY  
Microelectronics  
Inc.  
Copyright 1997  
11861 Western Avenue  
Garden Grove, CA 92841  
FAX: (714) 893-2570  
2
(714) 898-8121  
SG120  
NEGATIVE REGULATOR  
CHARACTERISTIC CURVES (continued)  
FIGURE 6.  
FIGURE 4.  
FIGURE 5.  
SHORT CIRCUIT CURRENT VS. VIN  
SHORTCIRCUIT CURRENT VS. VIN  
QUIESCENT CURRENT VS. VIN  
FIGURE 7.  
DROPOUT CHARACTERISTICS  
FIGURE 8.  
RIPPLE REJECTION VS. FREQUENCY  
APPLICATIONS  
FIGURE 10 - CIRCUIT FOR INCREASING OUTPUT VOLTAGE  
FIGURE 9 - FIXED OUTPUT REGULATOR  
NOTE: 1. C1isrequiredonlyifregulatorisseparatedfromrectifierfilter.  
2. Both C1 and C2 should be low E.S.R. types such as solid  
tantalum. Ifaluminumelectroliticsareused, atleast10times  
values shown should be selected.  
NOTE: C3 optional for improved transient response and ripple  
rejection.  
R1 + R2  
R1  
V(REG)  
15mA  
VOUT = V (REGULATOR)  
R2 =  
3. If large output capacities are used, the regulators must be  
protectedfrommomentaryinputshorts. Ahighcurrentdiode  
from output to input will suffice.  
11/91 Rev 1.4 6/97  
LINFINITY  
Microelectronics  
Inc.  
Copyright 1997  
11861 Western Avenue  
Garden Grove, CA 92841  
FAX: (714) 893-2570  
3
(714) 898-8121  
SG120  
-5.0V & -5.2V NEGATIVE REGULATOR  
ELECTRICAL CHARACTERISTICS (Note 1)  
SG120-05  
(Unless otherwise specified, these specifications apply over full operating ambient temperatures for SG120-05 with -55°C TA 150°C, and  
IN = -10V, IO = 5mA, CIN = 2mF, COUT = 1.0mF. Low duty cycle pulse testing techniques are used which maintains junction and case temperature equal  
V
to the ambient temperature.)  
SG120-05  
Min. Typ. Max.  
-4.9 -5.0 -5.1  
Parameter  
Units  
Test Conditions  
Output Voltage  
TJ = 25°C  
V
10  
50  
30  
25  
75  
50  
Line Regulation (Note 1)  
Load Regulation (Note 1)  
VIN = -7V to -25V, TJ = 25°C  
Power Pkgs: IO = 5mA to 1.5A, TJ = 25°C  
T - Pkg: IO = 5mA to 500mA, TJ = 25°C  
VIN = -7.5V to -25V  
Power Pkgs: IO = 5mA to 1.5A, P 20W  
T - Pkg: IO = 5mA to 500mA, P 2W  
VIN = -7V to -25V  
mV  
mV  
mV  
Total Output Voltage  
Tolerance  
-4.8 -5.0 -5.2  
-4.8 -5.0 -5.2  
V
V
mA  
mA  
2
0.4  
Quiescent Current  
Quiescent Current Change  
With Line: VIN = -7V to -25V, TJ = 25°C  
With Load: TJ = 25°C  
0.4  
0.4  
Power Pkgs: IO = 5mA to 1.5A  
T - Pkg: IO = 5mA to 500mA  
VO = 100mV, TJ = 25°C  
mA  
mA  
Dropout Voltage  
1.1  
2.3  
3.3  
1.4  
1.2  
0.6  
Power Pkgs: IO = 1.0A, T - Pkg: IO = 500mA  
Power Pkgs: TJ = 25°C  
T - Pkg: TJ = 25°C  
Power Pkgs: VIN = -35V, TJ = 25°C  
T - Pkg: VIN = -35V, TJ = 25°C  
VIN = 10V, f = 120Hz, TJ = 25°C  
V
A
A
A
A
dB  
µV/V  
mV  
°C  
1.5  
0.5  
Peak Output Current  
Short Circuit Current  
Ripple Rejection  
54  
25  
20  
175  
80  
Output Noise Voltage (rms) f = 10Hz to 100KHz (Note 2)  
Long Term Stability  
Thermal Shutdown  
1000hrs. at TJ = 125°C  
IO = 5mA  
SG120-5.2  
(Unless otherwise specified, these specifications apply over full operating ambient temperatures for SG120-5.2 with -55°C TA 150°C, and  
VIN = -10V, IO = 5mA, CIN = 2mF, COUT = 1.0mF. Low duty cycle pulse testing techniques are used which maintains junction and case temperature equal  
to the ambient temperature.)  
SG120-5.2  
Min. Typ. Max.  
-5.1 -5.2 -5.3  
Parameter  
Output Voltage  
Units  
Test Conditions  
TJ = 25°C  
V
15  
50  
30  
25  
75  
50  
Line Regulation (Note 1)  
Load Regulation (Note 1)  
VIN = -7.2V to -25V, TJ = 25°C  
Power Pkgs: IO = 5mA to 1.5A, TJ = 25°C  
T - Pkg: IO = 5mA to 500mA, TJ = 25°C  
VIN = -7.7V to -25V  
Power Pkgs: IO = 5mA to 1.5A, P 20W  
T - Pkg: IO = 5mA to 500mA, P 2W  
VIN = -7.2V to -25V  
mV  
mV  
mV  
Total Output Voltage  
Tolerance  
-5.0 -5.2 -5.4  
-5.0 -5.2 -5.4  
V
V
mA  
mA  
2
0.4  
Quiescent Current  
Quiescent Current Change  
With Line: VIN = -7.2V to -25V, TJ = 25°C  
With Load: TJ = 25°C  
0.4  
0.4  
Power Pkgs: IO = 5mA to 1.5A  
T - Pkg: IO = 5mA to 500mA  
VO = 100mV, TJ = 25°C  
mA  
mA  
Dropout Voltage  
1.1  
2.3  
3.3  
1.4  
1.2  
0.6  
Power Pkgs: IO = 1.5A, T - Pkg: IO = 500mA  
Power Pkgs: TJ = 25°C  
T - Pkg: TJ = 25°C  
Power Pkgs: VIN = -35V, TJ = 25°C  
T - Pkg: VIN = -35V, TJ = 25°C  
VIN = 10V, f = 120Hz, TJ = 25°C  
V
A
A
A
A
dB  
µV/V  
mV  
°C  
1.5  
0.5  
Peak Output Current  
Short Circuit Current  
Ripple Rejection  
54  
25  
20  
175  
80  
Output Noise Voltage (rms) f = 10Hz to 100KHz (Note 2)  
Long Term Stability  
Thermal Shutdown  
1000hrs. at TJ = 125°C  
IO = 5mA  
Note 1. All regulation tests are made at constant junction temperature with low duty cycle testing.  
2. This test is guaranteed but is not tested in production.  
11/91 Rev 1.4 6/97  
LINFINITY  
Microelectronics  
Inc.  
Copyright 1997  
11861 Western Avenue  
Garden Grove, CA 92841  
FAX: (714) 893-2570  
4
(714) 898-8121  
SG120  
-8V & -12V NEGATIVE REGULATOR  
ELECTRICAL CHARACTERISTICS (Note 1)  
SG120-08  
(Unless otherwise specified, these specifications apply over full operating ambient temperatures for SG120-08 with -55°C TA 150°C, and  
VIN = -14V, IO = 5mA, CIN = 1.0mF, COUT = 1.0mF. Low duty cycle pulse testing techniques are used which maintains junction and case temperature equal  
to the ambient temperature.)  
SG120-8  
Typ. Max.  
-7.8 -8.0 -8.2  
Parameter  
Output Voltage  
Units  
Test Conditions  
Min.  
TJ = 25°C  
V
10  
20  
10  
25  
80  
25  
Line Regulation (Note 1)  
Load Regulation (Note 1)  
VIN = -10.5V to -25V, TJ = 25°C  
Power Pkgs: IO = 5mA to 1.5A, TJ = 25°C  
T - Pkg: IO = 5mA to 500mA, TJ = 25°C  
VIN = -10.5V to -25V  
Power Pkgs: IO = 5mA to 1.5A, P 20W  
T - Pkg: IO = 5mA to 500mA, P 2W  
VIN = -10.5V to -25V  
mV  
mV  
mV  
Total Output Voltage  
Tolerance  
-7.65 -8.00 -8.35  
-7.65 -8.00 -8.35  
V
V
mA  
mA  
2
0.4  
Quiescent Current  
Quiescent Current Change  
With Line: VIN = -10.5V to -25V, TJ = 25°C  
With Load: TJ = 25°C  
0.4  
0.4  
Power Pkgs: IO = 5mA to 1.5A  
T - Pkg: IO = 5mA to 500mA  
mA  
mA  
Dropout Voltage  
VO = 100mV, TJ = 25°C  
1.1  
2.3  
3.3  
1.4  
1.2  
0.6  
Power Pkgs: IO = 1.0A, T - Pkg: IO = 500mA  
Power Pkgs: TJ = 25°C  
T - Pkg: TJ = 25°C  
Power Pkgs: VIN = -35V, TJ = 25°C  
T - Pkg: VIN = -35V, TJ = 25°C  
VIN = 10V, f = 120Hz, TJ = 25°C  
V
A
A
A
A
dB  
µV/V  
mV  
°C  
1.5  
0.5  
Peak Output Current  
Short Circuit Current  
Ripple Rejection  
54  
25  
32  
175  
80  
Output Noise Voltage (rms) f = 10Hz to 100KHz (Note 2)  
Long Term Stability  
Thermal Shutdown  
1000hrs. at TJ = 125°C  
IO = 5mA  
SG120-12  
(Unless otherwise specified, these specifications apply over full operating ambient temperatures for SG120-12 with -55°C TA 150°C, and  
VIN = -17V, IO = 5mA, CIN = 2.0mF, COUT = 1.0mF. Low duty cycle pulse testing techniques are used which maintains junction and case temperature equal  
to the ambient temperature.)  
SG120-12  
Parameter  
Output Voltage  
Line Regulation (Note 1)  
Load Regulation (Note 1)  
Test Conditions  
Units  
Min. Typ.  
-11.7 -12.0  
Max.  
-12.3  
10  
TJ = 25°C  
V
4
VIN = -14V to -32V, TJ = 25°C  
Power Pkgs: IO = 5mA to 1.0A, TJ = 25°C  
T - Pkg: IO = 5mA to 500mA, TJ = 25°C  
VIN = -14.5V to -32V  
Power Pkgs: IO = 5mA to 1.0A, P 20W  
T - Pkg: IO = 5mA to 500mA, P 2W  
VIN = -14V to -32V  
mV  
mV  
mV  
30  
10  
80  
25  
Total Output Voltage  
Tolerance  
-11.5 -12.0  
-11.5 -12.0  
2
-12.5  
-12.5  
4
V
V
mA  
mA  
Quiescent Current  
Quiescent Current Change  
With Line: VIN = -14V to -32V, TJ = 25°C  
With Load: TJ = 25°C  
0.4  
Power Pkgs: IO = 5mA to 1.0A  
T - Pkg: IO = 5mA to 500mA  
VO = 100mV, TJ = 25°C  
0.4  
0.4  
mA  
mA  
Dropout Voltage  
1.1  
1.5  
0.5  
Power Pkgs: IO = 1.0A, T - Pkg: IO = 500mA  
Power Pkgs: TJ = 25°C  
T - Pkg: TJ = 25°C  
Power Pkgs: VIN = -35V, TJ = 25°C  
T - Pkg: VIN = -35V, TJ = 25°C  
VIN = 10V, f = 120Hz, TJ = 25°C  
2.3  
3.3  
1.4  
1.2  
0.6  
V
A
A
A
A
dB  
µV/V  
mV  
°C  
Peak Output Current  
Short Circuit Current  
Ripple Rejection  
56  
25  
48  
175  
Output Noise Voltage (rms) f = 10Hz to 100KHz (Note 2)  
80  
Long Term Stability  
Thermal Shutdown  
1000hrs. at TJ = 125°C  
IO = 5mA  
Note 1. All regulation tests are made at constant junction temperature with low duty cycle testing.  
2. This test is guaranteed but is not tested in production.  
11/91 Rev 1.4 6/97  
LINFINITY  
Microelectronics  
Inc.  
Copyright 1997  
11861 Western Avenue  
Garden Grove, CA 92841  
FAX: (714) 893-2570  
5
(714) 898-8121  
SG120  
-15V & -18V NEGATIVE REGULATOR  
ELECTRICAL CHARTACTERISTICS (Note 1)  
SG120-15  
(Unless otherwise specified, these specifications apply over full operating ambient temperatures for SG120-15 with -55°C TA 150°C, and  
VIN = -20V, IO = 5mA, CIN = 2.0mF, COUT = 1.0mF. Low duty cycle pulse testing techniques are used which maintains junction and case temperature equal  
to the ambient temperature.)  
SG120-15  
Min. Typ. Max.  
-14.7 -15.0 -15.3  
Parameter  
Output Voltage  
Units  
Test Conditions  
TJ = 25°C  
V
5
30  
10  
10  
80  
25  
Line Regulation (Note 1)  
Load Regulation (Note 1)  
VIN = -17V to -35V, TJ = 25°C  
Power Pkgs: IO = 5mA to 1.0A, TJ = 25°C  
T - Pkg: IO = 5mA to 500mA, TJ = 25°C  
VIN = -17.5V to -35V  
Power Pkgs: IO = 5mA to 1.0A, P 20W  
T - Pkg: IO = 5mA to 500mA, P 2W  
VIN = -17V to -35V  
mV  
mV  
mV  
Total Output Voltage  
Tolerance  
-14.5 -15.0 -15.5  
-14.5 -15.0 -15.5  
V
V
mA  
mA  
2
4
0.4  
Quiescent Current  
Quiescent Current Change  
With Line: VIN = -17V to -35V, TJ = 25°C  
With Load: TJ = 25°C  
0.4  
0.4  
Power Pkgs: IO = 5mA to 1.0A  
T - Pkg: IO = 5mA to 500mA  
VO = 100mV, TJ = 25°C  
mA  
mA  
Dropout Voltage  
1.1  
2.3  
3.3  
1.4  
1.2  
0.6  
Power Pkgs: IO = 1.0A, T - Pkg: IO = 500mA  
Power Pkgs: TJ = 25°C  
T - Pkg: TJ = 25°C  
Power Pkgs: VIN = -35V, TJ = 25°C  
T - Pkg: VIN = -35V, TJ = 25°C  
VIN = 10V, f = 120Hz, TJ = 25°C  
V
A
A
A
A
dB  
µV/V  
mV  
°C  
1.5  
0.5  
Peak Output Current  
Short Circuit Current  
Ripple Rejection  
56  
25  
60  
175  
80  
Output Noise Voltage (rms) f = 10Hz to 100KHz (Note 2)  
Long Term Stability  
Thermal Shutdown  
1000hrs. at TJ = 125°C  
IO = 5mA  
SG120-18  
(Unless otherwise specified, these specifications apply over full operating ambient temperatures for SG120-18 with -55°C TA 150°C, and  
VIN = -27V, IO = 5mA, CIN = 2.0mF, COUT = 1.0mF. Low duty cycle pulse testing techniques are used which maintains junction and case temperature equal  
to the ambient temperature.)  
SG120-18  
Min. Typ. Max.  
-17.6 -18.0 -18.4  
Parameter  
Output Voltage  
Test Conditions  
Units  
TJ = 25°C  
V
5
30  
10  
10  
80  
25  
Line Regulation (Note 1)  
Load Regulation (Note 1)  
VIN = -21V to -33V, TJ = 25°C  
Power Pkgs: IO = 5mA to 1.0A, TJ = 25°C  
T - Pkg: IO = 5mA to 500mA, TJ = 25°C  
VIN = -22V to -33V  
Power Pkgs: IO = 5mA to 1.0A, P 20W  
T - Pkg: IO = 5mA to 500mA, P 2W  
VIN = -21V to -33V  
mV  
mV  
mV  
Total Output Voltage  
Tolerance  
-17.4 -18.0 -18.6  
-17.4 -18.0 -18.6  
V
V
mA  
mA  
2
4
0.4  
Quiescent Current  
Quiescent Current Change  
With Line: VIN = -21V to -33V, TJ = 25°C  
With Load: TJ = 25°C  
0.4  
0.4  
Power Pkgs: IO = 5mA to 1.0A  
T - Pkg: IO = 5mA to 500mA  
VO = 100mV, TJ = 25°C  
mA  
mA  
Dropout Voltage  
1.1  
2.3  
3.3  
1.4  
1.2  
0.6  
Power Pkgs: IO = 1.0A, T - Pkg: IO = 500mA  
Power Pkgs: TJ = 25°C  
T - Pkg: TJ = 25°C  
Power Pkgs: VIN = -35V, TJ = 25°C  
T - Pkg: VIN = -35V, TJ = 25°C  
VIN = 10V, f = 120Hz, TJ = 25°C  
V
A
A
A
A
dB  
µV/V  
mV  
°C  
1.5  
0.5  
Peak Output Current  
Short Circuit Current  
Ripple Rejection  
56  
25  
72  
175  
Output Noise Voltage (rms) f = 10Hz to 100KHz (Note 2)  
Long Term Stability  
Thermal Shutdown  
1000hrs. at TJ = 125°C  
IO = 5mA  
Note 1. All regulation tests are made at constant junction temperature with low duty cycle testing.  
2. This test is guaranteed but is not tested in production.  
11/91 Rev 1.4 6/97  
LINFINITY  
Microelectronics  
Inc.  
Copyright 1997  
11861 Western Avenue  
Garden Grove, CA 92841  
FAX: (714) 893-2570  
6
(714) 898-8121  
SG120  
-20V NEGATIVE REGULATOR  
ELECTRICAL CHATRACTERISTICS (Note 1)  
SG120-20  
(Unless otherwise specified, these specifications apply over full operating ambient temperatures for SG120-20 with -55°C TA 150°C, and  
IN = -29V, IO = 5mA, CIN = 2.0mF, COUT = 1.0mF. Low duty cycle pulse testing techniques are used which maintains junction and case temperature equal  
V
to the ambient temperature.)  
SG120-20  
Min. Typ. Max.  
-19.5 -20.0 -20.5  
Parameter  
Units  
Test Conditions  
Output Voltage  
TJ = 25°C  
V
5
30  
10  
10  
80  
25  
Line Regulation (Note 1)  
Load Regulation (Note 1)  
VIN = -23V to -35V, TJ = 25°C  
Power Pkgs: IO = 5mA to 1.0A, TJ = 25°C  
T - Pkg: IO = 5mA to 500mA, TJ = 25°C  
VIN = -24V to -35V  
Power Pkgs: IO = 5mA to 1.0A, P 20W  
T - Pkg: IO = 5mA to 500mA, P 2W  
VIN = -23V to -35V  
mV  
mV  
mV  
Total Output Voltage  
Tolerance  
-19.3 -20.0 -20.7  
-19.3 -20.0 -20.7  
V
V
mA  
mA  
2
4
0.4  
Quiescent Current  
Quiescent Current Change  
With Line: VIN = -23V to -35V, TJ = 25°C  
With Load: TJ = 25°C  
0.4  
0.4  
Power Pkgs: IO = 5mA to 1.0A  
T - Pkg: IO = 5mA to 500mA  
VO = 100mV, TJ = 25°C  
mA  
mA  
Dropout Voltage  
1.1  
2.3  
3.3  
1.4  
1.2  
0.6  
Power Pkgs: IO = 1.0A, T - Pkg: IO = 500mA  
Power Pkgs: TJ = 25°C  
T - Pkg: TJ = 25°C  
Power Pkgs: VIN = -35V, TJ = 25°C  
T - Pkg: VIN = -35V, TJ = 25°C  
VIN = 10V, f = 120Hz, TJ = 25°C  
V
A
A
A
A
dB  
µV/V  
mV  
°C  
1.5  
0.5  
Peak Output Current  
Short Circuit Current  
Ripple Rejection  
56  
25  
80  
175  
80  
Output Noise Voltage (rms) f = 10Hz to 100KHz (Note 2)  
Long Term Stability  
Thermal Shutdown  
1000hrs. at TJ = 125°C  
IO = 5mA  
Note 1. All regulation tests are made at constant junction temperature with low duty cycle testing.  
2. This test is guaranteed but is not tested in production.  
11/91 Rev 1.4 6/97  
LINFINITY  
Microelectronics  
Inc.  
Copyright 1997  
11861 Western Avenue  
Garden Grove, CA 92841  
FAX: (714) 893-2570  
7
(714) 898-8121  
SG120  
NEGATIVE REGULATOR  
CONNECTION DIAGRAMS & ORDERING INFORMATION (See Notes Below)  
Ambient  
Temperature Range  
Package  
Part No.  
Connection Diagram  
3-TERMINAL TO-3  
METAL CAN  
K-PACKAGE  
SG120-XXK/883B  
SG120-XXK  
-55°C to 125°C  
-55°C to 125°C  
GROUND  
1
2
CASE IS VIN  
VOUT  
3-TERMINAL TO-66  
METAL CAN  
R-PACKAGE  
SG120-XXR/883B  
SG120-XXR  
-55°C to 125°C  
-55°C to 125°C  
GROUND  
1
2
CASE IS VIN  
VOUT  
3-PIN TO-39 METAL CAN  
T-PACKAGE  
SG120-XXT/883B  
SG120-XXT  
-55°C to 125°C  
-55°C to 125°C  
GROUND  
VOUT  
1
2
VIN  
3
CASE IS VIN  
3-PIN HERMETIC TO-257  
IG-PACKAGE (Isolated)  
SG120-XXIG/883B  
SG120-XXIG  
-55°C to 125°C  
-55°C to 125°C  
VOUT  
VIN  
GROUND  
20-PIN CERAMIC (LCC)  
LEADLESS CHIP CARRIER  
L- PACKAGE  
3
2
1
20 19  
(Note 4) 1. N.C.  
2. VIN  
11. N.C.  
12. N.C.  
13. N.C.  
14. N.C.  
15. GND  
16. N.C.  
17. GND  
18. N.C.  
19. N.C.  
20. VIN  
SG120-XXL/883B  
SG120-XXL  
-55°C to 125°C  
-55°C to 125°C  
3. N.C.  
4. VOUT  
5. VOUT  
6. N.C.  
7. VOUT SENSE  
8. N.C.  
9. N.C.  
18  
17  
4
5
6
7
16  
15  
14  
8
9
10 11 12 13  
10. N.C.  
Note 1. Contact factory for JAN and DESC product availability.  
2. All parts are viewed from the top.  
3. "XX" to be replaced by output voltage of specific fixed regulator.  
4. Some products will be available in leadless chip carrier (LCC) and hermetic flat pack (F). Consult factory for price and availability  
11/91 Rev 1.4 6/97  
LINFINITY  
Microelectronics  
Inc.  
Copyright 1997  
11861 Western Avenue  
Garden Grove, CA 92841  
8
(714) 898-8121  
FAX: (714) 893-2570  

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