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Here at Rhopoint Components we offer an ever-increasing range of semiconductor solutions from industry-leading manufacturers such as NVE Corporation and Cissoid. Suitable for applications where reliability and high quality are key, our selection of logic gates and voltage regulators includes models specifically designed for automotive industry, high temperature and harsh environment applications.
Can't find what you're looking for? Contact us, we can often offer customised solution to meet all your needs.
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.
Typical Applications for the CHT-BG3M series from Cissoid include:
The below table gives the full specifications of the Cissoid CHT-BG3M series:
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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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.
Typical Applications for the CHT-LDNS series from Cissoid include:
The below table gives the full specifications of the Cissoid CHT-LDNS series:
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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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.
Typical Applications for the CHT-LDOP series from Cissoid include:
The below table gives the full specifications of the Cissoid CHT-LDOP series:
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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The CXT-741Gxx series of high-temperature logic gates from Cissoid is part of their newly introduced CXT range of ICs designed specifically for automotive applications. These configurable devices enable 13 different logic functions: INV, BUFFER, AND, AND with inverted input, NAND, NAND with inverted input, OR, NOR, NOR with inverted input, XOR, NXOR, MUX and D Flip-Flop (please select the model covering the functions required). The CXT-741Gxx series requires voltage input of 1.65V to 5.5V, but it is compatible with 3.3V or 5V input sources. They also feature Schmitt trigger inputs for high immunity to slow changing signals and CMOS low power consumption, and are delivered in a miniature SOT-23 6-pin package at only 3.0x1.7mm. The operating temperature of CXT series of up to 175°C is beyond the requirements of automotive standard AEC-Q100 Grade 0.
Typical Applications for the CXT-741Gxx series from Cissoid include:
The below table gives the full specifications of the Cissoid CXT-741Gxx logic gates:
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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.
Typical Applications for the CXT-STA4919 from Cissoid include:
The below table gives the full specifications of the Cissoid CXT-STA4919 voltage regulator:
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)
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