Rainbow Electronics MAX17062 - Manual (Page 5)

MAX17062
TFT-LCD Step-Up DC-DC Converter
_______________________________________________________________________________________ 5
SOFT-START
(R LOAD = 30 Ω)
MAX17062 toc06
2ms/div
OA
INDUCTOR
CURRENT
1A/div
OV
V OUT
5V/div
LOAD-TRANSIENT RESPONSE
(I LOAD = 50mA TO 550mA)
MAX17062 toc07
100 μs/div
L = 2.7 μH
R COMP = 47k Ω
C COMP1 = 560pF
0A
0V
INDUCTOR
CURRENT
2A/div
50mA
15V
V
OUT
500mV/div
AC-COUPLED
I
OUT
500mA/div
PULSED LOAD-TRANSIENT RESPONSE
(I
LOAD
= 100mA TO 1.1A)
MAX17062 toc08
10 μs/div
0A
INDUCTOR
CURRENT
1A/div
0.1A
15V
V
OUT
200mV/div
AC-COUPLED
I OUT
1A/div
L = 2.7 μH
R COMP = 47k Ω
C COMP1 = 560pF
SWITCHING WAVEFORMS
(I LOAD = 600mA)
MAX17062 toc09
1 μs/div
0A
INDUCTOR
CURRENT
1A/div
0V
LX
10V/div
Typical Operating Characteristics (continued)
(Circuit of Figure 1. V IN = 5V, V MAIN = 15V, T A = +25 °C, unless otherwise noted.)