ZNBG3001Q16TA, ZNBG3010, ZNBG3010Q16 Selling Leads, Datasheet
MFG:ZETEX Package Cooled:2 D/C:04+
ZNBG3001Q16TA, ZNBG3010, ZNBG3010Q16 Datasheet download
Part Number: ZNBG3001Q16TA
MFG: ZETEX
Package Cooled: 2
D/C: 04+
MFG:ZETEX Package Cooled:2 D/C:04+
ZNBG3001Q16TA, ZNBG3010, ZNBG3010Q16 Datasheet download
MFG: ZETEX
Package Cooled: 2
D/C: 04+
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Datasheet: ZNBG2000
File Size: 526974 KB
Manufacturer: ZETEX [Zetex Semiconductors]
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PDF/DataSheet Download
Datasheet: ZNBG3010
File Size: 384453 KB
Manufacturer: ZETEX [Zetex Semiconductors]
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PDF/DataSheet Download
Datasheet: ZNBG3010Q16
File Size: 384453 KB
Manufacturer: ZETEX [Zetex Semiconductors]
Download : Click here to Download
The ZNBG series of devices are designed to meet the bias requirements of GaAs and HEMT FETs commonly used in satellite receiver LNBs, PMR cellular telephones etc. with a minimum of external components.
With the addition of two capacitors and a resistor, the devices provide drain voltage and current control for three external grounded source FETs, generating the regulated negative rail required for FET gate biasing whilst operating from a single supply. This negative bias, at -3 volts, can also be used to supply other external circuits.
The ZNBG3010/11 includes bias circuits to drive up to three external FETs. A control input to the device selects either one of two FETs as operational, the third FET is permanently active. This feature is particularly used as an LNB polarisation switch.
Drain current setting of the ZNBG3010/11 is user selectable over the range 0 to 15mA, this is achieved with addition of a single resistor. The series also offers the choice of drain voltage to be set for the FETs, the ZNBG3010 gives 2.2 volts drain whilst the ZNBG3011 gives 2 volts.
These devices are unconditionally stable over the full working temperature with the FETs in place, subject to the inclusion of the recommended gate and drain capacitors. These ensure RF stability and minimal injected noise.
It is possible to use less than the devices full complement of FET bias controls, unused drain and gate connections can be left open circuit without affecting operation of the remaining bias circuits.
In order to protect the external FETs the circuits have been designed to ensure that, under any conditions including power up/down transients, the gate drive from the bias circuits cannot exceed the range -3.5V to 1V. Furthermore if the negative rail experiences a fault condition, such as overload or short circuit, the drain supply to the FETs will shut down avoiding excessive current flow.
The ZNBG3010/11 are available in QSOP16 for the minimum in device size. Device operating temperature is -40 to 70°C to suit a wide range of environmental conditions.
Supply Voltage | -0.6V to 12V |
Supply Current | 100mA |
Input Voltage (VPOL) | 25V Continuous |
Drain Current (per FET)(set by RCAL) | 0 to 15mA |
Output Current | 100mA |
Operating Temperature | -40 to 70 |
Storage Temperature | -50 to 85 |
Power Dissipation (Tamb 25)QSOP16 | 500mW |