參數(shù)資料
型號: MAX1553ETA
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 顯示驅(qū)動器
英文描述: High-Efficiency, 40V Step-Up Converters for 2 to 10 White LEDs
中文描述: LED DISPLAY DRIVER, DSO8
封裝: 3 X 3 MM, 0.80 MM HEIGHT, MO229WEEC, TDFN-8
文件頁數(shù): 5/11頁
文件大?。?/td> 347K
代理商: MAX1553ETA
M
High-Efficiency, 40V Step-Up
Converters for 2 to 10 White LEDs
_______________________________________________________________________________________
5
Typical Operating Characteristics (continued)
(MAX1553 driving six white LEDs, V
CC
= V
EN
= 3.6V, Circuit of Figure 1, T
A
= +25
°
C, unless otherwise noted.)
SWITCHING WAVEFORMS
(CONTINUOUS OPERATION,
3.75V Li+ BATTERY, 18mA OUTPUT)
2
μ
s/div
V
LX
V
OUT
I
L
10V/div
200mV/div
200mA/div
L1 = 47
μ
H, 4700pF CAPACITOR ACROSS LEDs
SWITCHING WAVEFORMS
(DISCONTINUOUS OPERATION,
3.75V Li+ BATTERY, 10mA OUTPUT)
2
μ
s/div
V
LX
V
OUT
I
L
10V/div
200mV/div
200mA/div
L1 = 47
μ
H, 4700pF CAPACITOR ACROSS LEDs
STARTUP/SHUTDOWN WAVEFORMS
40ms/div
V
EN
V
FB
V
OUT
5V/div
200mV/div
10V/div
L1 = 22
μ
H
BRT STEP RESPONSE
MAX1553/54 toc13
20ms/div
V
BRT
V
FB
V
OUT
1V/div
200mV/div
2V/div
L1 = 22
μ
H,
V
BRT
= 0.5V TO 1.25V TO O.5V
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