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EV8128-Q-00A 8-14V, 1A LNB Voltage Regulator Evaluation Board QFN-20
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pMPS EV8128-Q-00A — LNB Voltage Regulator, 8-14V input, 1 A output, QFN-20./p
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EV8128-Q-00A 8-14V, 1A LNB Voltage Regulator Evaluation Board QFN-20
The MPS EV8128-Q-00A is an evaluation board built around the MP8128 for bench characterisation of the device in its intended topology. It operates from a 8 V to 14 V input, is rated for 1 A and switches at 440 kHz. The board carries the device in its QFN-20 package.
The EV8128-Q-00A is an evaluation board designed to demonstrate the capabilities of the MP8128, a highly integrated, DiSEqC 1.x and DiSEqC 2.x compatible, low-noise block (LNB) voltage regulator.
Key Specifications
| Part Number | EV8128-Q-00A |
| Board For | MP8128 |
| Board Type | Evaluation / demonstration board |
| Function | LNB Voltage Regulator |
| Input Voltage | 8 V to 14 V |
| Current Rating | 1 A |
| Switching Frequency | 440 kHz |
| Interface | I²C |
| Package | QFN-20 |
| Ordering Codes | EV8128-Q-00A |
Features
- 8V to 14V Input Voltage (VIN) Range
- Up to 1A Configurable Current
- DiSEqC 1.x and DiSEqC 2.x Compatible
- Integrated I2C Bus
- Low-Noise LDO Output
- 440kHz Switching Frequency (fSW)
- Selectable 22kHz Internal or External Signal Source
- Selectable LNB Output Voltage
- Over-Current Protection (OCP), Short- Circuit Protection (SCP), and Overt-Voltage Protection (OVP)
- Thermal Shutdown
Evaluation Board
Design Notes
- The board ships in a default configuration; check the jumper and resistor options against the user guide before applying power.
- Respect the input terminal rating — most faults on evaluation boards come from an supply above the marked limit.
- Test points on the switching node and output are for a short-ground probe, not for a long oscilloscope lead.
- Where a GUI is supported, connect the dongle before power-up so the device enumerates on the I²C bus.
Common Questions
What input voltage does the EV8128-Q-00A support?
8 V to 14 V. The rated output is 1 A.
Which package and ordering codes apply to the EV8128-Q-00A?
QFN-20; order codes include EV8128-Q-00A.
What are the defining features of the EV8128-Q-00A?
8V to 14V Input Voltage (VIN) Range Up to 1A Configurable Current
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