Intersil ISL8215MEVAL1Z, Руководство пользователя

Страница: 9 / 14

UG105 Rev.0.00 Page 9 of 14
Aug 14, 2017
ISL8215MEVAL1Z 3. PCB Layout Guidelines
3.4 Typical Evaluation Board Performance Data
Operating condition: V
IN
= 24V, f
SW
= 300kHz, CCM Mode, unless otherwise noted.
Figure 11. Transient Response, V
OUT
= 3.3V, 0A to 7.5A,
2.5A/µs Step Load, C
OUT
= 4x100µF C 1x470µF
POSCAP
Figure 12. Start-Up Waveform, V
OUT
= 3.3V, I
OUT
= 15A,
C
OUT
= 4x100µF C 1x470µF POSCAP
Figure 13. Prebiased Power-Up Waveform, Prebiased
Voltage = 3.0V, V
OUT
= 3.3V, I
OUT
= No Load,
C
OUT
= 4x100µF C 1x470µF POSCAP
Figure 14. Derating Curve, V
OUT
= 3.3V, C
OUT
= 4x100µF
C 1x470µF POSCAP
100mV/DIV
5A/DIV
500µs/DIV
V
OUT
1V/DIV
PGOOD 2V/DIV
5ms/DIV
EN 1V/DIV
V
OUT
100mV/DIV
PGOOD 2V/DIV
5ms/DIV
V
IN
12V/DIV
0
2
4
6
8
10
12
14
16
25 35 45 55 65 75 85 95 105 115 125
AMBIENT TEMPERATURE (°C)
0LFM
200LFM
400LFM
L
O
AD CURRENT (
A)