MAX15034 Datasheet, PDF (6/25 Pages) Maxim Integrated Products – Configurable, Single-/Dual-Output, Synchronous Buck Controller for High-Current Applications

Configurable, Single-/Dual-Output, Synchronous
Buck Controller for High-Current Applications
Typical Operating Characteristics (continued)
(Circuit of Figure 6, T_A = +25°C, unless otherwise noted. V_IN = 12V, V_OUT1 = 0.8V, V_OUT2 = 1.3V, f_SW = 500kHz per phase.)
DRIVER RISE TIME
vs. LOAD CAPACITANCE
100
90
80
DH_
70
DL_
60
50
40
30
20
10
0
0 2 4 6 8 10 12 14 16 18 20 22
C_LOAD (nF)
HIGH-SIDE DRIVER RISE TIME
(V_IN = 12V, C_LOAD = 10nF)
MAX15034 toc10
DRIVER FALL TIME
vs. LOAD CAPACITANCE
40
35
DH_
30
25
DL_
20
15
10
5
0
0 2 4 6 8 10 12 14 16 18 20 22
C_LOAD (nF)
HIGH-SIDE DRIVER FALL TIME
(V_IN = 12V, C_LOAD = 10nF)
MAX15034 toc11
DH_
2V/div
DH_
2V/div
20ns/div
LOW-SIDE DRIVER RISE TIME
(V_IN = 12V, C_LOAD = 10nF)
MAX15034 toc12
DL_
2V/div
20ns/div
LOW-SIDE DRIVER FALL TIME
(V_IN = 12V, C_LOAD = 10nF)
MAX15034 toc13
DL_
2V/div
20ns/div
20ns/div
6 _______________________________________________________________________________________