LC7958 查看數據表（PDF） - SANYO -> Panasonic
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LC7958 Datasheet PDF : 11 Pages
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LC7958NC
Ranking by Output Current
1. Test condition: VDD1 = VDD2 = 5.0 V, VREF = 1.8 V, VO = 1.6 V, Ta = 25 °C
2. Ranking determination: The rank is determined by the average ON current (Iave) of the terminals DO1 to DO64 when
the all DO outputs are on.
3. Current width: (Imax - Imin)/(Imax + Imin) ≈ 2.0 %
Rank
A
B
C
Specification [mA]
-
1
-
-3.700 to -3.853
-
2
-
-3.854 to -4.011
-
3
-
-4.012 to -4.177
1
4
-
-4.178 to -4.347
2
5
-
-4.348 to -4.524
3
6
-
-4.525 to -4.708
4
7
1
-4.709 to -4.900
5
8
2
-4.901 to -5.100
6
9
3
-5.101 to -5.308
7
-
4
-5.309 to -5.524
8
-
5
-5.525 to -5.749
9
-
6
-5.750 to -5.983
-
-
7
-5.984 to -6.227
-
-
8
-6.228 to -6.481
-
-
9
-6.482 to -6.700
*
*
*
Rejected article (for the manufacturing process control)
Note: The chips of Ranking No. "*" are marked with the ink
ON Current Deviation in a Chip
Test condition: VDD1 = VDD2 = 5.0 V, VO = 1.6 V, VREF = 1.8 V, Ta = 25 °C
1. Let the average ON current of the terminals DO4, 12, 20, 28, 36, 44, 52, and 60 be Cave, the that of the terminals
DO1, 12, 20, and 28 be Lave, and that of the terminals DO36, 44, 52, and 60 be Rave: then the relationship among
the Cave, Lave, and Rave should be as follows.
| Lave - Cave | / Cave ≤ 2.5 %, | Rave - Cave | / Cave ≤ 2.5 %
2. Let the average ON current of DO1 to DO8, DO29 to DO36, and DO57 to DO64 be I1, I2, and I3, respectively: the
relationship among the I1, I2, and I3 should be as follows.
| In - Iave | / Iave ≤ 2.5 %, Iave: Average ON current of the DO1 to DO64.
In: I2, and I3
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