Diodes Incorporated — Analog and discrete power solutions
U QFN3030 16 Type B

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ZABG6003 (NRND)

NRND = Not Recommended for New Design

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Description

The ZABG6003 is an advanced GaAs and HEMT FETs bias controller designed to operate from minimal supply rails and intended primarily for satellite Low Noise Blocks (LNBs). With the addition of one capacitor and a resistor, the ZABG6003 provides drain voltage and current control for up to 6 external grounded source FETs. Generating the regulated negative rail required for FET gate biasing whilst operating from a single supply of 2.1V to 5V. The -2V negative bias can also be used to supply other external circuits. Setting drain currents on the ZABG6003 only requires one resistor which controls the drain current of the first stage FETS (D1 and D4). The drain current is set internally to 10mA for the remaining 4 FETs for the second and third stages. This allows the operating current of input FETs to be adjusted to minimize noise, whilst the following FET stages are fixed to minimize the number of external components used.

Feature(s)

  • Provides Bias for up to 6 GaAs and HEMT FETs
  • 2 x Amplifier FET Drain Current Programmable (4mA to 15mA)
  • 4 x Amplifier FET Drain Current Internally Fixed to 10mA
  • Operating Range of 2.1V to 5V
  • Ultra-low Operating Current of 1.1mA
  • Dynamic FET Protection
  • Regulated Negative Rail Generator Requires only 1 External Capacitor
  • Expended Temperature Range of -40°C to +105°C
  • U-QFN3030-16 (Type B) Surface Mount Package
  • Low External Component Count
  • Totally Lead-Free & Fully RoHS Compliant
  • Halogen and Antimony Free. “Green” Device

Application(s)

  • Low Power LNB’s
  • Digital LNB’s
  • IP LNB’s
  • Twin and Quad LNB’s
  • General Purpose LNA Bias

Product Specifications

Product Parameters

IQ (mA) 1.1
LNA Bias Stages 6
LNA IDRAIN (mA) 15
LNA VDRAIN (V) 2
Mixer Bias Stages N/A
VCC (V) 5.5
VNEG (V) -2

Related Content

Packages

Technical Documents

Recommended Soldering Techniques

TN1.pdf

Product Change Notices (PCNs)

A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.

PCN # Issue Date Implementation Date Subject
PCN-2602 2023-01-31 2023-07-31 Device End of Life (EOL)