MAX8727 Maxim, MAX8727 Datasheet - Page 5

• Manufacturer Part Number: MAX8727
• Description: TFT-LCD Step-Up DC-DC Converter
• Manufacturer: Maxim

(Circuit of Figure 1. V
PULSED LOAD-TRANSIENT RESPONSE
_______________________________________________________________________________________
IN
(I
LOAD
= 5V, V
(R
SOFT-START
= 100mA TO 1.1A)
LOAD
1ms/div
1µs/div
MAIN
= 30Ω)
= 15V, T
TFT-LCD Step-Up DC-DC Converter
MAX8727 toc07
MAX8727 toc09
A
= +25°C unless otherwise noted.)
Typical Operating Characteristics (continued)
V
5V/div
OV
INDUCTOR
CURRENT
1A/div
OA
15V
V
5mV/div
AC-COUPLED
I
1A/div
0.1A
INDUCTOR
CURRENT
1A/div
OA
OUT
OUT
OUT
LOAD-TRANSIENT RESPONSE
(I
SWITCHING WAVEFORMS
LOAD
(I
LOAD
= 50mA TO 550mA)
1µs/div
1µs/div
= 600mA)
MAX8727 toc08
MAX8727 toc10
15V
V
5mV/div
AC-COUPLED
I
500mA/div
50mA
INDUCTOR
CURRENT
1A/div
OA
LX
10V/div
OV
INDUCTOR
CURRENT
1A/div
OA
OUT
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OUT
5