SG11 Microsemi Corporation, SG11 Datasheet

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SG11

Manufacturer Part Number
SG11
Description
1.5 Amp Three Terminal Adjustable Voltage Regulator
Manufacturer
Microsemi Corporation
Datasheet

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2/93 Rev 1.2 10/02
Copyright  1994
DESCRIPTION
The SG117A Series are 3-terminal positive adjustable voltage
regulators which offer improved performance over the original 117
design.
tolerance guaranteed within ± 1%, allowing an overall power supply
tolerance to be better than 3% using inexpensive 1% resistors. Line
and load regulation performance has been improved as well.
Additionally, the SG117A reference voltage is guaranteed not to
exceed 2% when operating over the full load, line and power
dissipation conditions. The SG117A adjustable regulators offer an
improved solution for all positive voltage regulator requirements
with load currents up to 1.5A.
SCHEMATIC DIAGRAM
A major feature of the SG117A is reference voltage
ADJUSTABLE VOLTAGE REGULATOR
1
FEATURES
• • • • • 1% output voltage tolerance
• • • • • 0.01%/V line regulation
• • • • • 0.3% load regulation
• • • • • Min. 1.5A output current
• • • • • Available in hermetic TO-220
HIGH RELIABILITY FEATURES-SG117A/SG117
♦ ♦ ♦ ♦ ♦ Available to MIL-STD-883 and DESC SMD
♦ ♦ ♦ ♦ ♦ MIL-M38510/11704BYA - JAN117K
♦ ♦ ♦ ♦ ♦ MIL-M38510/11703BXA - JAN117T
♦ ♦ ♦ ♦ ♦ LMI level "S" processing available
1.5 AMP THREE TERMINAL
SG117A/SG217A/SG317A
SG117/SG217/SG317
11861 Western Avenue ∞ ∞ ∞ ∞ ∞ Garden Grove, CA 92841
L
INFINITY Microelectronics Inc.
(714) 898-8121 ∞ ∞ ∞ ∞ ∞ FAX: (714) 893-2570

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SG11 Summary of contents

Page 1

... Line and load regulation performance has been improved as well. Additionally, the SG117A reference voltage is guaranteed not to exceed 2% when operating over the full load, line and power dissipation conditions. The SG117A adjustable regulators offer an improved solution for all positive voltage regulator requirements with load currents ...

Page 2

... Note 3. These ratings are applicable for junction temperatures of less than 150°C. ELECTRICAL CHARACTERISTICS (Unless otherwise specified, these specifications apply over full operating ambient temperatures for SG117A/SG117 with -55°C ≤ T SG217 with -25°C ≤ T ≤ 150°C, SG 317A/SG317 with 0°C ≤ and L packages) ...

Page 3

... OUT ) ≤ 15V ( OUT Packages T, L Packages ( 40V 25°C IN OUT Packages T, L Packages T = 125° 25°C, 10Hz ≤ f ≤ 10KHz T (Note SG117A/SG117 SERIES SG117A/SG217A SG117/SG217 Min. Typ. Max. Min. Typ. Max. 3.5 5 3.5 5 1.5 2.2 1.5 2.2 0.5 0.8 0.5 0.8 0.3 0.4 0.3 0.4 0.15 0.2 0.15 0.2 1 ...

Page 4

... Rev 1.2 10/02 Copyright  1994 FIGURE 2. OUTPUT CURRENT VS. INPUT/OUTPUT DIFFERENTIAL FIGURE 5. REFERENCE VOLTAGE VS. TEMPERATURE FIGURE 8. RIPPLE REJECTION VS. FREQUENCY 4 SG117A/SG117 SERIES FIGURE 3. ADJUSTMENT CURRENT VS. TEMPERATURE FIGURE 6. QUISCENT CURRENT VS. INPUT/OUTPUT DIFFERENTIAL FIGURE 9. RIPPLE REJECTION VS. OUTPUT CURRENT L INFINITY Microelectronics Inc. 11861 Western Avenue ∞ ∞ ∞ ∞ ∞ Garden Grove, CA 92841 ...

Page 5

... Copyright  1994 FIGURE 11. LINE TRANSIENT RESPONSE FIGURE 14. LINE TRANSIENT RESPONSE FIGURE 16. OUTPUT VOLTAGE ERROR 5 SG117A/SG117 SERIES FIGURE 12. LOAD TRANSIENT RESPONSE FIGURE 15. LOAD TRANSIENT RESPONSE L INFINITY Microelectronics Inc. 11861 Western Avenue ∞ ∞ ∞ ∞ ∞ Garden Grove, CA 92841 (714) 898-8121 ∞ ∞ ∞ ∞ ∞ FAX: (714) 893-2570 ...

Page 6

... APPLICATION INFORMATION GENERAL The SG117A develops a 1.25V reference voltage between the output and the adjustable terminal (see Figure 1). By placing a resistor, R between these two terminals, a constant current is 1 caused to flow through R and down through R 1 output voltage, Normally this current is the specified minimum load current of 5mA or 10mA ...

Page 7

... FIGURE 20 - REMOTE SENSING FIGURE 21 - IMPROVING RIPPLE REJECTION LOAD REGULATION Because the SG117A is a three-terminal device not possible to provide true remote load sensing. Load regulation will be limited by the resistance of the wire connecting the regulator to the load. For the data sheet specification, regulation is measured at the bottom of the package ...

Page 8

... N.C. -55°C to 125°C 8. N.C. 9. N.C. 10. ADJUST 3. Both inputs and outputs must be externally connected together at the device terminals. 4. For normal operation the SENSE pin must be externally connected to the load. 8 SG117A/SG117 SERIES ADJUSTMENT 1 2 CASE IS V OUT V IN ADJUSTMENT 1 ...

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