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Part Number: SG7800A
Description: The SG7800A/SG7800 series of positive regulators offer self contained, fixed-voltage capability with u...
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SG7800A
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DataSheet
General Description
SG7800A General Description
The SG7800A/SG7800 series of positive regulators offer self contained, fixed-voltage capability with up to 1.5A of load current and input voltage up to 50V (SG7800A series only). These units feature a unique on-chip trimming system to set the output voltages to within ±1.5% of nominal on the SG7800A series, ±2.0% on the SG7800 series. The SG7800A versions also offer much improved line and load regulation characteristics. Utilizing an improved Bandgap reference design, problems have been eliminated that are normally associated with the Zener diode references, such as drift in output voltage and large changes in the line and load regulation.
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 small output capacitor for satisfactory performance, ease of application is assured.
Although designed as fixed-voltage regulators, the output voltage can be increased through the use of a simple voltage divider. The low quiescent drain current of the device insures good regulation when this method is used.
Product is available in hermetically sealed TO-257, TO-3, TO39 and LCC packages.
SG7800A Maximum Ratings
Device Input Voltage Input Voltage Differential
OutputVoltage Input Voltage (transient) (Note 3) (Output shorted to ground)
5V 35V 50V 35V
12V 35V 50V 35V
15V 35V 50V 35V
Operating Junction Temperature
Hermetic (K, T, IG & L - Packages) ......................... 150
Storage Temperature Range ......................-65 to 150
Lead Temperature (Soldering, 10 Seconds) .............300
Note 1. Values beyond which damage may occur.
OutputVoltage Input Voltage (transient) (Note 3) (Output shorted to ground)
5V 35V 50V 35V
12V 35V 50V 35V
15V 35V 50V 35V
Operating Junction Temperature
Hermetic (K, T, IG & L - Packages) ......................... 150
Storage Temperature Range ......................-65 to 150
Lead Temperature (Soldering, 10 Seconds) .............300
Note 1. Values beyond which damage may occur.
SG7800A Features
· Output voltage set internally to ±1.5% on SG7800A
· Input voltage range to 50V max. on SG7800A
· Two volt input-output differential
· Excellent line and load regulation
· Foldback current limiting
· Thermal overload protection
· Voltages available: 5V, 12V, 15V
· Available in surface mount package
· Input voltage range to 50V max. on SG7800A
· Two volt input-output differential
· Excellent line and load regulation
· Foldback current limiting
· Thermal overload protection
· Voltages available: 5V, 12V, 15V
· Available in surface mount package
SG7800A
PDF/DataSheet Download
- Datasheet: SG7800A
- File Size: 99274 KB
- Manufacturer: MICROSEMI [Microsemi Corporation]
- Click here to Download
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