MP1529DR MPS [Monolithic Power Systems], MP1529DR Datasheet - Page 5

• Manufacturer Part Number: MP1529DR
• Description: Fixed Frequency Step-Up Converter LCD Backlight Plus Flash
• Manufacturer: MPS [Monolithic Power Systems]

TYPICAL PERFORMANCE CHARACTERISTICS
Circuit of Figure 2, V
I
MP1529 Rev. 1.0
11/23/2005
AC Coupled
LED_BL
20mV/div.
0.2A/div.
0.5A/div.
10V/div.
10V/div.
5V/div.
V
V
V
V
OUT
OUT
SW
SW
I
I
= 20mA, I
L
L
Steady State Operation
Backlight Mode
Start-up into Open LEDs
TM
MP1529 – FIXED FREQUENCY STEP-UP CONVERTER LCD BACKLIGHT PLUS FLASH
LED_PV
400ns/div.
1ms/div.
MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.
IN
= 40mA, I
= 3.6V, 3 LEDs on LED1, 3 LEDs on LED2, 3 LEDs on LED3,
MP1529-TPC09
MP1529-TPC12
LED_FL
AC Coupled
20mV/div.
0.2A/div.
5V/div.
V
= 100mA, unless otherwise noted.
© 2005 MPS. All Rights Reserved.
V
OUT
SW
I
L
www.MonolithicPower.com
Steady State Operation
Backlight plus Preview Mode
400ns/div.
MP1529-TPC10
(continued)
AC Coupled
20mV/div.
0.5A/div.
10V/div.
V
V
OUT
SW
I
L
Steady State Operation
Flash Mode
400ns/div.
MP1529-TPC11
5