Texas Instruments LM5108EVM, Руководство пользователя

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Test Summary
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4 SLUUC42 – January 2020
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Using the LM5108EVM
4 Test Summary
4.1 Definitions
This procedure details how to configure the LM5108EVM evaluation board. Within this test procedure, the
following naming conventions are applied. Refer to the LM5108EVM
Bench Setup Diagram and
Configuration , Figure 1 , for details.
DMM: Digital multimeter
EVM: Evaluation module
4.2 Equipment
4.2.1 Power Supply
DC power supply with voltage and current above 20 V and 1 A, for example: Agilent E3634A
4.2.2 Function Generator
Two-channel function generator over 10 MHz, for example: Tektronics AFG3252
4.2.3 DMM
DMM with voltage and current above 25 V and 1 A, for example: Fluke 187
4.2.4 Oscilloscope
Four channel oscilloscope with 500MHz or greater bandwidth, for example DPO 7054
4.3 Equipment Setup
4.3.1 DC Power Supply Settings
• DC power supply #1
– Voltage setting: 12 V
– Current limit: 0.05 A
4.3.2 Digital Multi-Meter Settings
• DMM #1
– DC current measurement, auto-range. Expected current is within 1 mA to 15 mA.
4.3.3 Two-Channel Function Generator Settings
Table 2 displays the two-channel function generator settings.
Table 2. Two-Channel Function Generator Settings
Mode Frequency Width Delay High Low
Output
Impedance
Channel A
Pulse 100 kHz
2.5 µs 0 us
5 V 0 V High Z
Channel B 2.5 µs 5 µs
The LM5108 interlock function will result in HO and LO in the low state if HI and LI are high at the same
time.