Typical operating characteristics (continued) – Rainbow Electronics MAX17036 User Manual
Page 11
MAX17030/MAX17036
1/2/3-Phase-Quick-PWM
IMVP-6.5 VID Controllers
______________________________________________________________________________________
11
SOFT-START WAVEFORM
(UP TO CLKEN)
MAX17030 toc12
200
µs/div
A. SHDN, 5V/div
B. CLKEN, 10V/div
C. V
OUT
, 500mV/div
0
0
0
0
0
0
E
D
C
B
A
F
3.3V
0.95V
3.3V
D. I
LX1
, 10A/div
E. I
LX2
, 10A/div
F. I
LX3
, 10A/div
I
OUT
, 15A
SOFT-START WAVEFORM
(UP TO PWRGD)
MAX17030 toc13
1ms/div
A. SHDN, 5V/div
B. CLKEN, 6.6V/div
C. PWRGD, 10V/div
D. V
OUT
, 1V/div
0
0
0
0
0
0
0
E
D
C
B
A
F
G
3.3V
0.95V
3.3V
3.3V
E. DL1, 10V/div
F. DL2, 10V/div
G. DL3, 10V/div
I
OUT
, 15A
SHUTDOWN WAVEFORM
MAX17030 toc14
200
µs/div
A. SHDN, 5V/div
B. PWRGD, 10V/div
C. CLKEN, 10V/div
D. V
OUT
, 500mV/div
0
0
0
0
0
0
0
E
D
C
B
A
F
G
3.3V
0.95V
3.3V
3.3V
E. DL1, 10V/div
F. DL2, 10V/div
G. DL3, 10V/div
LOAD-TRANSIENT RESPONSE
(HFM MODE)
MAX17030 toc15
20
µs/div
A. I
OUT
= 7A - 59A
B. V
OUT
, 50mV/div
E
D
C
B
A
59A
0.84V
7A
0.935V
C. I
LX1
, 20A/div
D. I
LX2
, 20A/div
E. I
LX3
, 20A/div
Typical Operating Characteristics (continued)
(Circuit of Figure 1. V
IN
= 12V, V
CC
= V
DD
= 5V, SHDN = V
CC
, D0–D6 set for 0.95V, T
A
= +25°C, unless otherwise specified.)