Datasheet

Data Sheet 54 Rev. 1.1, 2009-01-19
TLE 7241E
Functional Description and Electrical Characteristics
(5)
(6)
Note: When a new average current command or hysteresis setting is received, the new
data is loaded immediately with the rising edge of CSB (not synchronized with the
dither waveform). The dither waveform is not reset when the new average current
command or hysteresis setting is received.
0 340 1 1 0 1 0 0 0 0 0 0 999.38 999.38 1469.67
…
1)
3D3 1 1 1 1 0 1 0 0 1 1 1175.95 1175.95 1729.33
1)
3D4 1 1 1 1 0 1 0 1 0 0 1177.15 1177.15 1731.10
1)
3D5 1 1 1 1 0 1 0 1 0 1 1178.35 1178.35 1732.87
1)
3D6 1 1 1 1 0 1 0 1 1 0 1178.35 1178.35 1732.87
1 3D7 1 1 1 1 0 1 0 1 1 1 1178.35 1178.35 1732.87
…
1 3FC 1 1 1 1 1 1 1 1 0 0 1178.35 1178.35 1732.87
1 3FD 1 1 1 1 1 1 1 1 0 1 1178.35 1178.35 1732.87
1 3FE 1 1 1 1 1 1 1 1 1 0 1178.35 1178.35 1732.87
1 3FF 1 1 1 1 1 1 1 1 1 1 1178.35 1178.35 1732.87
SP
AVG
register value
2
10
------------------------------------
1230 mV×=
I
AVG
register value
2
10
------------------------------------
1230
R
sense
----------------
× mA=
1) COR state dependent on the switching hysteresis value.
Table 2 Average Output Current Key (typical) - Partial Table (cont’d)
COR Hexd9d8d7d6d5d4d3d2d1d0Average
Switch
Point
[mV]
Load
Current
with 1 Ω
Sense
Resistor
[mA]
Load
Current
with
0.68 Ω
Sense
Resistor
[mA]