GQ2143 Datasheet, PDF (8/8 Pages) GTM CORPORATION – CMOS POSITIVE VOLTAGE REGULATOR

ISSUED DATE :2005/01/24
REVISED DATE :
External Resistor Divider Table
R1(K Ohm)
1
2
5
10
20
50
100
200
500 1000
Vout
R2(K Ohm)=(1.215*R1(K Ohm))/(VOUT-1.215)
3.35
0.57 1.14 2.85 5.69 11.38 28.45 56.91 113.82 284.54 569.09
3.40
0.56 1.11 2.78 5.56 11.12 27.80 55.61 111.21 278.03 556.06
3.45
0.54 1.09 2.72 5.44 10.87 27.18 54.36 108.72 271.81 543.62
3.50
0.53 1.06 2.66 5.32 10.63 26.59 53.17 106.35 265.86 531.73
3.55
0.52 1.04 2.60 5.20 10.41 26.02 52.03 104.07 260.17 520.34
3.60
0.51 1.02 2.55 5.09 10.19 25.47 50.94 101.89 254.72 509.43
3.65
0.50 1.00 2.49 4.99 9.98 24.95 49.90 99.79 249.49 498.97
3.70
0.49 0.98 2.44 4.89 9.78 24.45 48.89 97.79 244.47 488.93
3.75
0.48 0.96 2.40 4.79 9.59 23.96 47.93 95.86 239.64 479.29
3.80
0.47 0.94 2.35 4.70 9.40 23.50 47.00 94.00 235.01 470.02
3.85
0.46 0.92 2.31 4.61 9.22 23.06 46.11 92.22 230.55 461.10
3.90
0.45 0.91 2.26 4.53 90.5 22.63 45.25 90.50 226.26 452.51
3.95
0.44 0.89 2.22 4.44 8.88 22.21 44.42 88.85 222.12 444.24
4.00
0.44 0.87 2.18 4.36 8.73 21.81 43.63 87.25 218.13 436.27
4.05
0.43 0.86 2.14 4.29 8.57 21.43 42.86 85.71 214.29 428.57
4.10
0.42 0.84 2.11 4.21 8.42 21.06 42.11 84.23 210.57 421.14
4.15
0.41 0.83 2.07 4.14 8.28 20.70 41.40 82.79 206.98 413.97
4.20
0.41 0.81 2.04 4.07 8.14 20.35 40.70 81.41 203.52 407.04
4.25
0.40 0.80 2.00 4.00 8.01 20.02 40.03 80.07 200.16 400.33
4.30
0.39 0.79 1.97 3.94 7.88 19.69 39.38 78.77 196.92 393.84
4.35
0.39 0.78 1.97 3.88 7.75 19.38 38.76 77.51 193.78 387.56
4.40
0.38 0.76 1.91 3.81 7.63 19.07 38.15 76.30 190.74 381.48
4.45
0.38 0.75 1.88 3.76 7.51 18.78 37.56 75.12 187.79 375.58
4.50
0.37 0.74 1.85 3.70 7.40 18.49 36.99 73.97 184.93 369.86
4.55
0.36 0.73 1.82 3.64 7.29 18.22 36.43 72.86 182.16 364.32
4.60
0.36 0.72 1.79 3.59 7.18 17.95 35.89 71.79 179.47 358.94
4.65
0.35 0.71 1.77 3.54 7.07 17.69 35.37 70.74 176.86 353.71
4.70
0.35 0.70 1.74 3.49 6.97 17.43 34.86 69.73 174.32 348.64
4.75
0.34 0.69 1.72 3.44 6.87 17.19 34.37 68.74 171.85 343.71
4.80
0.34 0.68 1.69 3.39 6.78 16.95 33.89 67.78 169.46 338.91
4.85
0.33 0.67 1.67 3.34 6.69 16.71 33.43 66.85 167.13 334.25
4.90
0.33 0.66 1.65 3.30 6.59 16.49 32.97 65.94 164.86 329.72
4.95
0.33 0.65 1.63 3.25 6.51 16.27 32.53 65.06 162.65 325.30
5.00
0.32 0.64 1.61 3.21 6.42 16.05 32.10 64.02 160.50 321.00
Note: Small load (greater than 2mA) is necessary as R1 or R2 is large than 50Kohm. Otherwise, output voltage probably cannot be
pulled down to 0V on disable mode
Important Notice:
All rights are reserved. Reproduction in whole or in part is prohibited without the prior written approval of GTM.
GTM reserves the right to make changes to its products without notice.
GTM semiconductor products are not warranted to be suitable for use in life-support Applications, or systems.
GTM assumes no liability for any consequence of customer product design, infringement of patents, or application assistance.
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