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SPARKOS LABS SS1117 Discrete Voltage Regulator +15V

SPARKOS LABS SS7812 Discrete Voltage Regulator 12V New
The brand Sparkos Labs, specialized in the design of high quality discrete electronic components, has created a range of discrete regulators designed to replace adjustable monolithic regulators. They are in the standard format TO-220 with 3 pins and have a fixed voltage with more than 1A available at the output.
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Sparkos Labs SS1117

Discrete voltage regulator +15V

Sparkos Labs SS1117-12 Régulateur de tension discret +12V

The brand Sparkos Labs, specialized in the design of high quality discrete electronic components, has created a range of discrete regulators designed to replace adjustable monolithic regulators. They are in the standard format TO-220 with 3 pins and have a fixed voltage with more than 1A available at the output.

SS1117

We propose here the model Sparkos Labs SS1117 15, a discrete voltage regulator with positive polarities allowing you to replace LM1117 XX or LM3317 regulators. This one offers a fixed +15V output voltage.

Sparkos Labs SS1117-12 Régulateur de tension discret +12V

Why discrete regulators ?

These discrete voltage regulators will exceed the performance of all TO-220 monolithic regulators, whether in terms of output noise, transient response or load regulation. This discrete design allows the integration of many internal capacitors that cannot be integrated into an integrated circuit. In addition, the discrete regulator has a decoupling capacitor on the output, eliminating the need to install one externally. The error amplifier of this regulator is also completely discrete, being based on a slightly modified SS3601 AOP. The internal reference voltage is a precision shunt reference with post-RC filtering, allowing extremely low noise. In this design, the error amplifier compares a return voltage to a reference voltage.

Discrete AND small

These discrete regulators are the smallest models available on the market. They have a width of 11.4mm, 1.3mm wider than a standard TO-220 format. Due to their small size, they can be combined with narrow heat sinks or even adapt to an existing heat sink mounting hole in your equipment. The tab on the top of the regulator is not covered by the PCB, allowing easy mounting. The pins are placed in the same way as on a TO-220 format regulator.

Regulator replacement

To replace a monolithic regulator with a discrete model, you need to know its polarity, pinout and output voltage. In the case of an adjustable regulator, its output voltage is fixed by the circuit in which it is integrated via a resistor that must be short-circuited and removed.

It is not recommended to attempt to dynamically adjust the output voltage of these discrete regulators using potentiometers or voltage dividers on the ground pin to achieve the specified performance.

If a regulator to be replaced is mounted on a heat sink, the same heat sink must be used with the discrete replacement regulator. It is not necessary to use a larger heat sink. The existing heat sink will suffice. Since the tongue of these discrete regulators is connected to the voltage input, electrical insulation must be used between the tongue and the heat sink.

The input and output bypass capacitors of the existing circuit should also be adapted and do not require any modification for normal operation. If the output capacitor closest to the regulator is ceramic or film type, a better transient response can be obtained by removing it from the circuit, as ceramic and film capacitors degrade the phase margin of the device. In cases where the output capacitor is removed from the circuit, the 10µF internal tantalum polymer capacitor will be sufficient as the output capacitor, and the device will operate with a higher phase margin and a less transient response.

The best transient response can be obtained by using a Panasonic EEU - FR1H101B (100µF 50V 65mΩ ESR) electrolytic capacitor as the output capacitor. This capacitor can be used to replace the existing output capacitor or it can be added in parallel. It should be noted that the correct polarity must be observed when installing these electrolytic capacitors.

Find the complete specifications in the Product Datasheet, in the "Download" tab of this page.

Technical characteristics

Specifications
Product typeDiscrete voltage regulator
PolarityPositive
Output voltage+15V
Performances
ParameterConditionMin.Typ.Max.
Input voltage (Vin)-Vo+2V-+40V
Quiescent current (Iq)-14mA18mA22mA
Minimum output current (Iomin)--0mA-
Output voltage accuracy (Vo)--1.5%0%+1.5%
Dropout voltage (Vdrop)Output current = 1A-1.85V2V
Output impedance (Zout)--2mΩ-
Maximum output current (Io)--1A-
Ripple rejection (RR)F = 100Hz--125dB-
Load regulation (Io = 0A à 1A)--1..8mV-
RMS output noise voltage, 20Hz - 20kHz (N)@ +/-5Vo-3.5µV RMS-
@ +/-15Vo-6µV RMS-
@ +/-24Vo-10.2µV RMS-
 
Data sheet
Output voltage (V)15.0
 
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SPARKOS LABS SS1117 Discrete Voltage Regulator +15V
The brand Sparkos Labs, specialized in the design of high quality discrete electronic components, has created a range of discrete regulators...

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