Cissoid

Cissoid

Extreme Temperature and Harsh Environment Semiconductor Solutions

  • High temperature, standard and custom semiconductor solutions, for signal conditioning, power management and conversion
  • Ranges include linear voltage regulators, DC-DC convertors, gate & motor drivers, amplifiers and timers
  • Guaranteed for normal operation up to +225°C (CHT models)
  • Extended lifetimes of 5 years at +225°C (15 years at +175°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 Cission 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 Cission 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 Cission 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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