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參數(shù)資料
| 型號： | MAX1554ETA |
| 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)： | 3/11頁 |
| 文件大?。?/td> | 347K |
| 代理商： | MAX1554ETA |
M
High-Efficiency, 40V Step-Up
Converters for 2 to 10 White LEDs
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS
(V
CC
= 3.3V, V
OV
= 0V, C
OUT
= 1μF, R
SENSE
= 10
,
T
A
= -40
°
C to +85
°
C
, unless otherwise noted.) (Note 1)
Note 1:
Specifications to -40
°
C are guaranteed by design, not production tested.
PARAMETER
CONDITIONS
MIN
2.7
3.15
2.35
MAX
5.5
5.50
2.65
0.65
0.9
1.33
600
UNITS
MAX1553
MAX1554
V
CC
rising or falling, 35mV hysteresis typical
Not switching
Switching
Rising edge
0 < V
BRT
< 1.5V, EN = V
CC
Supply Voltage
V
Undervoltage Lockout Threshold
V
Quiescent Current
mA
OV Threshold
BRT Input Resistance
TIMING CONTROL
Maximum On-Time
Minimum Off-Time
ERROR AMPLIFIER
FB Threshold
N-CHANNEL SWITCH
LX On-Resistance
1.18
200
V
k
V
CC
= 3.3V
2.0
150
4.8
350
μs
ns
V
BRT
= 1.25V
192
217
mV
1.4
600
1200
MAX1553
MAX1554, V
CC
= 4.2V
300
600
LX Current Limit
mA
SHUTDOWN CONTROL
EN Logic-Level High
EN Logic-Level Low
1.8
V
V
0.4
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= 3.3V, V
OV
= 0V, C
OUT
= 1μF, R
SENSE
= 10
,
T
A
= 0
°
C to +85
°
C
, unless otherwise noted. Typical values are at T
A
= +25
°
C.)
PARAMETER
CONDITIONS
MIN
300
600
TYP
480
970
0.1
1
MAX
600
1200
5
UNITS
MAX1553
MAX1554, V
CC
= 4.2V
V
LX
= 38V,
V
EN
= 0V
LX Current Limit
mA
T
A
= +25
°
C
T
A
= +85
°
C
LX Leakage Current
μA
SHUTDOWN CONTROL
EN Logic-Level High
EN Logic-Level Low
1.8
V
V
0.4
1
T
A
= +25
°
C
T
A
= +85
°
C
0.01
0.1
EN Input Current
V
EN
= 0V or 5.5V
μA
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