Voltage Regulators

Voltage Regulators

Voltage regulators are used for keeping the voltage at a constant level within electronic equipment. Here at Rhopoint Components we offer NVE’s high input voltage (low current) regulators handling input voltage of up to 36V as well as a high temperature voltage regulators by Cissoid able to handle temperatures as high as 225°C.

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Cissoid CHT-BG3M Series

The Polaris CHT-BG3M high temperature voltage reference series from Cissoid offers a voltage reference range between 2.5V and 12V. These voltage references are compatible with high temperature environments with a typical operation temperature range from -55°C to +225°C. The CHT-BG3M series from Cissoid has a minimum dropout voltage of 1.5V with a load current lower than 1mA and 2.5V at 3mA load current (for CHT-BG3M-025, min dropout is 2V @ 1mA and 3V @ 3mA), with a total accuracy of ±2% and a maximum drift with temperature of 70ppm.

  • High temperature voltage reference
  • Voltage reference values of 2.5V, 3.3V, 5V, 9V, 10V and 12V
  • Dropout voltage at 1mA is 1.5V to 15V (CHT-BG3M-025 min dropout is 2V)
  • Dropout voltage at 3mA is 2.5V to 15V (CHT-BG3M-025 min dropout is 3V)
  • Quiescent current consumption of 700µA
  • Maximum output current of 3mA at 225°C
  • Total accuracy of ±2%
  • Typical operating temperature range −55°C to +225°C
  • Maximum drift with temperature 70ppm
  • Validated at +225°C for 30000 hours (and still on-going)
  • Available in TO-39 package (other packages available on request)

Typical Applications for the CHT-BG3M series from Cissoid include:

  • Well logging
  • Automotive
  • Aeronautics
  • Aerospace

The below table gives the full specifications of the Cissoid CHT-BG3M series:

Cissoid CHT-BG3M Specifications

1. For CHT-BG3M-025, min dropout is 2V at 1mA and 3V at 3mA
2. Input voltage cannot exceed 25V
3. ppm are defined as [d(Vout)/d(T)]/Vout. For 5V mode, 70ppm corresponds to 350µV/°C
4. Defining "x" as the nominal voltage, the line regulation is better than x/5 mV/V
5. Defining "x" as the nominal voltage, the minimum power supply rejection ratio is 66-1.2x.db
6. Defining "x" as the nominal voltage, typical noise level is (x/5)*240µVRMS

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Cissoid CHT-LDNS Series

The Helios CHT-LDNS high temperature, negative low-dropout linear voltage regulator series from Cissoid offers an output voltage range between -2.5V and -15V. These voltage regulators are compatible with high temperature environments with a typical operation temperature range from -55°C to +225°C. The CHT-LDNS series from Cissoid has a minimum dropout voltage of -2V  down to -20v with a maximum output current of 1A at 225°C, with a total accuracy of ±3% and a maximum output voltage  temperature drift of 80ppm.

  • High temperature, negative low-dropout linear voltage regulator
  • Voltage reference values of -2.5V, -3.3V, -5V, -5.5V, -9V, -10V, -12V, -13V and -15V
  • Dropout voltage of -2V down to -20V
  • Output voltage programmable by bonding option (bare die version)
  • Quiescent current consumption of 3mA
  • Maximum output current of 1A at 225°C (For -2.5V version, max current is 100mA)
  • Total accuracy of ±3%
  • Typical operating temperature range −55°C to +225°C (operational up to 300°C)
  • Maximum drift with temperature 80ppm
  • Validated at +225°C for 43800 hours (and still on-going)
  • Available in TO-254 package and bare die available on request

Typical Applications for the CHT-LDNS series from Cissoid include:

  • Well logging
  • Automotive
  • Aeronautics
  • Aerospace

The below table gives the full specifications of the Cissoid CHT-LDNS series:

Cissoid CHT-LDNS Specifications

1.|Vin| max=30V
2. For -2.5V version, max current is 100mA
3. Above +225°C (Tj), a minimum load current of few mA could be required
4. Max power dissipation depends on packaging
5. ppm are defined as [d(Vout)/d(T)]/Vout. For -15V mode, 40ppm corresponds to 600µV/°C
6. Defining "x" as the nominal voltage, the line regulation is better than x/5 mV/V for|Vin|>14V and better than x mV/V for |Vin|≤14V. For 2.5V output voltage version, line regulation is better than 8mV/V for |Vin|>14V and better than 3mV/V for |Vin|≤14V
7. This includes the packaging parasitic resistor
8. Defining "x" as the nominal voltage, the typical quiescent current at 2V dropout can be approximated as 2.95+x/13 in mA @ -55°C and 2.65+x/13 in mA at 225°C
9. Defining "x" as the nominal voltage, the minimum power supply rejection ratio is ...(tbd)...
10 Defining "x" as the nominal voltage, typical noise level is ...(tbd)...
11. short circuit current for 2.5V typical is 1A and max is 1.3A

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Cissoid CHT-LDOP Series

The Helios CHT-LDOP high temperature, low-dropout linear voltage regulator series from Cissoid offers an output voltage range between 2.5V and 15V. These voltage regulators are compatible with high temperature environments with a typical operation temperature range from -55°C to +225°C. The LDOP series from Cissoid has a minimum dropout voltage of 1V  for load currents lower than 400mA and 2V with a 1A load current at +225°C, with a total accuracy of ±2% and a maximum output voltage  temperature drift of 80ppm.

  • High temperature, low-dropout linear voltage regulator
  • Voltage reference values of 2.5V, 3.3V, 5V, 5.5V, 5.6V, 7.5V, 9V, 10V, 12V, 13V and 15V
  • Dropout voltage of 1V to 20V at lower than 400mA
  • Dropout voltage of 2V to 20V at 1A
  • Quiescent current consumption of 3mA
  • Maximum output current of 1A at 225°C
  • Total accuracy of ±2%
  • Typical operating temperature range −55°C to +225°C (operational up to 300°C)
  • Maximum drift with temperature 80ppm
  • Validated at +225°C for 43800 hours (and still on-going)
  • Available in TO-254 package and bare die available on request

Typical Applications for the CHT-LDOP series from Cissoid include:

  • Well logging
  • Automotive
  • Aeronautics
  • Aerospace

The below table gives the full specifications of the Cissoid CHT-LDOP series:

Cissoid CHT-LDOP Specifications

1. The maximum input voltage Vin is Vout +20V or 30V, whichever is less
2. Above +225°C (Tj), a minimum load current of few mA could be required
3. Max power dissipation depends on packaging
4. ppm are defined as 1e-6x[d(Vout)/d(T)]/Vout. For a nominal output of 15V, 40ppm corresponds to 600µV/°C
5. Defining "x" as the nominal voltage, the line regulation is better than x/5 mV/V
6. This includes the packaging parasitic resistance for TO-254 packages
7. Defining "x" as the nominal voltage, the typical quiescent current at 2V dropout can be approximated as 2.95+x/13 in mA @ -55°C and 2.65+x/13 in mA at 225°C
8. Preliminary data

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Cissoid CXT-STA4919 High-Temperature Voltage Regulator

The CXT-STA4919 high-temperature adjustable linear voltage regulator from Cissoid is part of their newly introduced CXT range of ICs designed specifically for automotive applications. This voltage regulator works with voltage input sources in the 4.5V-30V range and is able to generate any regulated voltage between 3V and 28V. CXT-STA4919 features self-protection by a built-in current limiter and thermal protection. It is adjustable from an external feedback resistor network and can be put in low-power disabled mode as and when needed. This voltage regulator saves space on the board and provides low thermal resistance due to its small footprint - it is delivered in a miniature 8-pin PSOIC8-EP package at only 3.99x4.98mm. Its operating temperature of up to 175°C is beyond the requirements of automotive standard AEC-Q100 Grade 0.

  • High temperature automotive adjustable voltage regulator
  • Input voltage from 4.5V to 30V with input transient (load dump) of up to 35V
  • Output voltage of 3.0V to 28V
  • Chip-enable input signal allowing to put the IC into low-power disable mode
  • Output voltage accuracy of ±5% (excluding accuracy of exernal components but including accuracy, temperature, line and load regulation variations)
  • Operating temperature range of -55°C to 175°C
  • Typical quiescent current of 1.1mA
  • Miniature 8-pin PSOIC8 package with exposed pad
  • AEC-Q100 Grade 0 & PPAP capable (full qualification pending, please contact us for current status)

Typical Applications for the CXT-STA4919 from Cissoid include:

  • Regulated power supplies for embedded electronics in automotive and industrial systems
  • High-temperature automotive applications

The below table gives the full specifications of the Cissoid CXT-STA4919 voltage regulator:

Cissoid CXT-STA4919 Specifications Unless otherwise stated, Tj= 25°C,Cin= 4.7µF, Cout= 4.7µF. Bold figures point out values valid over the whole temperature range (Tj= -55°C to +175°C)
8 Please refer to Figure 11 on the datasheet (available in Technical Library) for evolution of minimum dropout in function of required output current
9 Load regulation measurements must be done in a way to avoid self-heating effect
10 Current through feedback resistances excluded
11 Based on FR4 2s2p board + thermal vias under the exposed pad

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NVE DC001-10E

The NVE DC001-10E series voltage regulator ICs from NVE are designed for use in high voltage, low current applications, providing a wide input voltage range from 4.5V to 36V, with a typical regulated output of 3.3V. The DC series from NVE protect the sensitive electronic components downstream, while providing a stable regulated supply voltage. Rated for high temperature operation up to +170°C. The DC001 voltage regulator also meets 42V automotive standards and the low-profile TDFN6 package features an exposed die attach pad for direct heat sinking to the circuit board.

  • Surface-mount high voltage, low power voltage regulator
  • Input voltage range from 4.5V to 36v
  • Regulated output Voltage between 3V and 3.6V
  • Regulated output current 0.02A
  • Reverse battery protection of -60V
  • Excellent immunity to transients and ESD
  • Temperature range from -40°C to +170°C
  • Small, low profile TDFN6 package

The NVE DC001-10E high voltage, low power voltage regulators are ideal for the following applications:

  • Industrial Sensors
  • Industrial Controls
  • Automotive Sensors
  • Automotive Controls

The below table gives the full specifications of the NVE DC series including the DC001-10E

NVE DC001-10E Specifications

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NVE DC002-10E

The NVE DC002-10E series voltage regulator ICs from NVE are designed for use in high voltage, low current applications, providing a wide input voltage range from 6.2V to 36V, with a typical regulated output of 5V. The DC series from NVE protect the sensitive electronic components downstream, while providing a stable regulated supply voltage. Rated for high temperature operation up to +170°C. The DC002 voltage regulator also meets 42V automotive standards and the low-profile TDFN6 package features an exposed die attach pad for direct heat sinking to the circuit board.

  • Surface-mount high voltage, low power voltage regulator
  • Input voltage range from 6.2V to 36v
  • Regulated output Voltage between 4.5V and 5.5V
  • Regulated output current 0.02A
  • Reverse battery protection of -60V
  • Excellent immunity to transients and ESD
  • Temperature range from -40°C to +170°C
  • Small, low profile TDFN6 package

The NVE DC002-10E high voltage, low power voltage regulators are ideal for the following applications:

  • Industrial Sensors
  • Industrial Controls
  • Automotive Sensors
  • Automotive Controls

The below table gives the full specifications of the NVE DC series including the DC002-10E

NVE DC002-10E Specifications

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