Typical operating characteristics (continued) – Rainbow Electronics MAX17062 User 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.)