TIDT324 February   2023

 

  1.   Description
  2.   Features
  3.   Applications
  4. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Required Equipment
    3. 1.3 Considerations
  5. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
    3. 2.3 Thermal Images
    4. 2.4 Dimensions
  6. 3Waveforms
    1. 3.1 Switching
    2. 3.2 Output Voltage Ripple
    3. 3.3 Load Transient
    4. 3.4 Start-Up

2.2 Efficiency Data

#GUID-8120989E-6B36-4520-95D8-2B0DA4866A0A/TABLE_BL2_DM3_JWB shows the efficiency data for –8-V outputs with a 12-V input.

Table 2-1 Efficiency Data 12-V input, –8-V Output
VIN (V) IIN (A) VOUT (V) IOUT (A) PIN (W) POUT (W) Ploss (W) Efficiency (%)
12 0.035 –7.955 0 0.4200 0.0000 0.4200 0.0
12 0.236 –7.9545 0.3 2.8320 2.3864 0.4457 84.3
12 0.438 –7.9541 0.6 5.2560 4.7725 0.4835 90.8
12 0.643 –7.9535 0.9 7.7160 7.1582 0.5579 92.8
12 0.848 –7.953 1.2 10.1760 9.5436 0.6324 93.8
12 1.053 –7.9524 1.5 12.6360 11.9286 0.7074 94.4
12 1.262 –7.9517 1.8 15.1440 14.3131 0.8309 94.5
12 1.47 –7.9508 2.1 17.6400 16.6967 0.9433 94.7
12 1.68 –7.95 2.4 20.1600 19.0800 1.0800 94.6
12 1.892 –7.9489 2.7 22.7040 21.4620 1.2420 94.5
12 2.105 –7.9477 3 25.2600 23.8431 1.4169 94.4
12 2.321 –7.9464 3.3 27.8520 26.2231 1.6289 94.2
12 2.539 –7.9446 3.6 30.4680 28.6006 1.8674 93.9
12 2.758 –7.943 3.9 33.0960 30.9777 2.1183 93.6
12 2.831 –7.9428 4 33.9720 31.7712 2.2008 93.5