Sipex Manuals

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2026-09-28

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Sipex SPX5205 Low-Noise LDO Voltage Regulator Datasheet

Datasheet 9 pages · 184 KB · EN

The SPX5205 is a low‑noise, low‑dropout linear regulator designed for battery‑powered devices such as cellular phones, portable computers and handheld instruments. It offers a wide range of fixed output voltages, very low quiescent current, and built‑in reverse‑battery, thermal and current limiting protection.

The document provides absolute maximum ratings, electrical characteristics, typical application circuits, package dimensions, and ordering information for the 5‑pin SOT‑23 version of the device.

Covers: Features · Product Description · Absolute Maximum Ratings · Recommended Operating Conditions · Electrical Characteristics · Typical Application

Latest Sipex manuals

• Sipex SPX5205 Low-Noise LDO Voltage Regulator Datasheet

  Datasheet 9 pages · 184 KB · EN

  Datasheet for the Sipex SPX5205 low‑noise, low‑dropout 150 mA LDO regulator with battery‑protection and multiple fixed outputs.

• Sipex LP2950/LP2951 handbook

  LP2950/51 100mA Low Dropout Voltage Regulators, is a low-power voltage regulator, which is used in various battery-powered systems, and has extremely low quiescent current and low dropout voltage.

• Sipex SP809 SP810 Data Sheet

  SP809/SP810 are low power microprocessor (µP) supervisory circuits used to monitor power supplies in µP and digital systems. They provide applications with benefits of circuit reliability and low cost by eliminating external components. If the VCC supply voltage falls below preset threshold then a reset signal is asserted for at least 140ms after VCC has risen above the reset threshold. Both the SP809 and SP810 were designed with a reset comparator to help identify invalid signals, which last less than 140ms. The only difference between them is that they have an active-low RESET output and active-high RESET output, respectively. Low supply current (1µA) makes SP809/SP810 ideal for portable equipment. The devices are available in 3 pin SOT-23 package.

• Sipex SP1085 Data Sheet

  The SP1085 is a 3A low dropout linear regulator with a maximum dropout of 1.5V. It is available in 1.5V, 1.8V, 2.5V, 2.85V, 3.3V, 5.0V and adjustable versions. The fixed versions integrate the adjust resistors. The adjustable version can set the output voltage with two external resistors. The SP1085 series is available in standard packages of TO-263-3L, TO-220 and TO-252.

• Sipex SPX2808 handbook

  The SPX2808 is a low power, positive voltage regulator. This device is an excellent choice for use in battery-powered applications such as cordless telephones, radio control systems, and portable computers. It features very low quiescent currents and very low dropout output voltage.

• Sipex SPX1202 handbook

  SPX1202 is a low power positive-voltage regulator designed to satisfy moderate power requirements with a cost effective, small footprint solution. This device is an excellent choice for use in battery-powered applications and portable computers.

• sipex SP3223U/3243U handbook

  The SP3223U/3243U is a high speed intelligent RS-232 transceiver solution that supports up to 1000kbps data rate, and is intended for portable or hand-held applications such as notebook and palmtop computers.

• sipex SP3223EU/3243EU handbook

• sipex SP3222H/3232H handbook

  SP3222H/3232H 3.3V, 460 Kbps RS-232 Transceivers are 2 driver/2 receiver RS-232 transceiver solutions intended for portable or hand-held applications such as notebook or palmtop computers. Their data transmission rate of 460Kbps meeting the demands of high speed RS-232 applications.

• sipex SPX2940 handbook

  The SPX2940 is a 1A, accurate voltage regulators with a low drop out voltage of 280mV (typical) at 1A.

• sipex SPX1582 handbook

  The SPX1582 is a 3A low dropout regulator with an extremely low dropout voltage. The adjustable version requires only two external resistors to set the output voltage. The fixed version has a preset output of 3.3V, 2.8V or 2.5V and does not require any external resistors. The SPX1582 features a low dropout of 400mV(Typ.) and offers fast transient response. This device is suitable for Pentium applications requiring 2.8V, 2.5V from 3.3V ATX power supplies, where a low current input voltage 1V greater than the output voltage is needed. With an external sense pin the load regulation is less than 1mV. This device is an excellent choice for the use of powering low voltage microprocessors that require a lower dropout, fast transient response to regulate from 3.3V and 5V supplies. The SPX1582 is also an excellent choice as a post regulator for switching supplies applications. The SPX1582 offers protection against over-current faults, reversed input polarity, over temperature operation and positive and negative transient voltage. The SPX1582 is offered in a 5 pin TO-220 and TO-263 compatible with industry standard 5-terminal regulators.

• sipex SPX1004 handbook

  The SPX1004 is a 2-terminal bandgap precision voltage reference that provides a stable fixed output voltage of 1.2V and 2.5V with a tolerance of ±10mV for SPX1004-1.2 and ±20mV for SPX1004-2.5. Design, process and precision on chip trimming yield a very low tempera- ture coefficient of 25 ppm/°C. The SPX1004 can be used as a pin-to-pin replacement for the LT1004, LM1004 or AS1004. The SPX1004 is available in SOT-89, NSOIC-8 and TO-92 packages over the operating temperature range of 0°C to 70°C.

• sipex SP504 handbook

  The SP504 is a single chip device that supports eight (8) physical serial interface standards for Wide Area Network Connectivity. It is fabricated using a low power BiCMOS process technology, and incorporates a Sipex patented (5,306,954) charge pump allowing +5V only operation. Seven (7) drivers and seven (7) receivers can be configured via software for any of the above interface modes at any time. The SP504 is suited for DTE-DCE applications. The SP504 requires only one external resistor per V.35 driver for compliant V.35 operation.

• sipex SP7651 Wide Input Voltage Range 3A 900kHz Buck Regulator

  The SP7651 is a wide input voltage range 3A, 900kHz buck regulator. It has a step-down capability from 2.5V to 20V, with an output voltage down to 0.8V. It has a 3A output capability (up to 5A with air flow) and built-in low RDSON power FETs (typical value of 40 mΩ). The design is highly integrated with minimal components. The regulator operates at a fixed frequency of 900 kHz. It features UVLO detection for both VCC and VIN, over temperature protection, and short circuit protection with auto-restart. The wide bandwidth amplifier allows for type II or III compensation. It has a programmable soft start and fast transient response. High efficiency of greater than 92% is possible. The regulator can perform asynchronous start-up into a pre-charged output. It is available in a small 7mm x 4mm DFN package.

• Sipex SP6122 handbook

  The SP6122 is a low voltage, micro 8, PFET, buck controller from Sipex Corporation, ideal for 1A to 5A, small footprint, DC-DC power converters.

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