Linear Technology DC1626A, Demo Manual

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5
dc1626afa
DEMO MANUAL DC1626A
QUICK START PROCEDURE
dc1626a F06
LOAD STEP
5A/DIV
1.2V
O(AC)
50mV/DIV
15A
5A
109mV
dc1626a F08
LOAD STEP
5A/DIV
1.2V
O(AC)
50mV/DIV
15A
5A
114mV
dc1626a F07
LOAD STEP
5A/DIV
1.5V
O(AC)
50mV/DIV
15A
5A
108mV
dc1626a F09
LOAD STEP
5A/DIV
1.5V
O(AC)
50mV/DIV
15A
5A
108mV
Figure 6. Load Step Response of the 1.2V Rail on the DC1626A-A
(DCR Sense) at V
IN
= 12V. C
OUT
= 2 × Sanyo 2R5TPE330M9 ||
2 × 100μF X5R 6.3V 1206, L = 0.56μH, f
SW
= 300kHz
Figure 8. Load Step Response of the 1.2V Rail on the DC1626A-B
(R
SENSE
) At V
IN
= 12V. C
OUT
= 2 × Sanyo 2R5TPE330M9 || 2 × 100μF
X5R 6.3V 1206, L = 0.68μH, f
SW
= 300kHz
Figure 7. Load Step Response of the 1.5V Rail on the DC1626A-A
(DCR Sense) at V
IN
= 12V. C
OUT
= 2 × Sanyo 2R5TPE330M9 ||
2 × 100μF X5R 6.3V 1206, L = 0.56μH, f
SW
= 300kHz
Figure 9. Load Step Response of the 1.5V Rail on the DC1626A-B
(R
SENSE
) at V
IN
= 12V. C
OUT
= 2 × Sanyo 2R5TPE330M9 || 2 × 100μF
X5R 6.3V 1206, L = 0.68μH, f
SW
= 300kHz