TIDT236 March   2022 TPS7H1101A-SP

 

  1.   Description
  2. 1Test Prerequisites
    1. 1.1 Voltage and Current Requirements
    2. 1.2 Required Equipment
    3. 1.3 Considerations
    4. 1.4 Dimensions
  3. 2Testing and Results
    1. 2.1 Efficiency Graphs
    2. 2.2 Efficiency Data
    3. 2.3 Thermal Images
  4. 3Waveforms
    1. 3.1 Switching
    2. 3.2 Output Voltage Ripple
    3. 3.3 Load Transients
    4. 3.4 Start-up Sequence

2.2 Efficiency Data

Table 2-1 and Table 2-2 show the efficiency data for –0.2-V and –0.6-V outputs with a 12-V input.

Table 2-1 Efficiency Data 12-V input, -0.2-V Output
VIN (V) IIN (A) VOUT (V) IOUT (A) PIN (W) POUT (W) PLOSS (W) Efficiency (%)
12 0.0238 –0.2002 0 0.2856 0.0000 0.2856 0.0
12 0.0587 –0.2001 1.5 0.7044 0.3002 0.4043 42.6
12 0.0918 –0.2001 3 1.1016 0.6003 0.5013 54.5
12 0.1277 –0.2001 4.5 1.5324 0.9005 0.6320 58.8
12 0.1667 –0.2001 6 2.0004 1.2006 0.7998 60.0
12 0.2089 –0.2001 7.5 2.5068 1.5008 1.0061 59.9
12 0.2540 –0.2002 9 3.0480 1.8018 1.2462 59.1
12 0.3032 –0.2002 10.5 3.6384 2.1021 1.5363 57.8
12 0.3571 –0.2002 12 4.2852 2.4024 1.8828 56.1
12 0.4157 –0.2003 13.5 4.9884 2.7041 2.2844 54.2
12 0.4795 –0.2004 15 5.7540 3.0060 2.7480 52.2
Table 2-2 Efficiency Data 12-V Input, –0.6-V Output
VIN (V) IIN (A) VOUT (V) IOUT (A) PIN (W) POUT (W) PLOSS (W) Efficiency (%)
12 0.0343 –0.5999 0 0.4116 0.0000 0.4116 0.0
12 0.1124 –0.5999 1.5 1.3488 0.8999 0.4490 66.7
12 0.1961 –0.5998 3 2.3532 1.7994 0.5538 76.5
12 0.2828 –0.5998 4.5 3.3936 2.6991 0.6945 79.5
12 0.3731 –0.5998 6 4.4772 3.5988 0.8784 80.4
12 0.4672 –0.5998 7.5 5.6064 4.4985 1.1079 80.2
12 0.565 –0.5999 9 6.7800 5.3991 1.3809 79.6
12 0.6663 –0.6 10.5 7.9956 6.3000 1.6956 78.8
12 0.7733 –0.6 12 9.2796 7.2000 2.0796 77.6
12 0.8856 –0.6 13.5 10.6272 8.1000 2.5272 76.2
12 1.0033 –0.6001 15 12.0396 9.0015 3.0381 74.8