Evaluation Board Test Results; Typical Efficiency And Power Loss Curves - Infineon EVAL TDA38826 1VOUT User Manual

EVAL_TDA38826_1VOUT user guide
User guide for TDA38826 evaluation board

Evaluation board test results

Evaluation board test results
3

Typical efficiency and power loss curves

3.1
V = 12 V, F = 800 kHz, Mode: DEM and FCCM
IN SW
V = 12 V, V = internal LDO, I
IN CC
Note that the efficiency and power loss curves include losses of the TDA38826, inductor losses, losses of
the input and output capacitors, and PCB trace losses. The
each of the output voltages in the efficiency measurement.
Table 4 Inductors for V
V (V) L (nH)
OUT OUT
220 nH
1.0
240 nH
1.8
360 nH
3.3
470 nH
5.0
User Guide
= 0 A – 20 A, F
OUT
= 12 V, F = 800 kHz
IN SW
P/N
CMLE063T-R22MS
CMLE063T-R24MS
CMLE063T-R36MS
CMLE063T-R47MS
15
= 800 kHz, room temperature, natural convection.
SW
Table 4 below shows the inductors used for
DCR (m)
1.15
1.19
2.3
2.9
Size (mm)
7.25 x 6.6 x 2.8
7.25 x 6.6 x 2.8
6.95 x 6.6 x 2.8
6.95 x 6.6 x 2.8
2023-07-21
V 1.0