參數(shù)資料
型號(hào)： MAX1578
廠商： Maxim Integrated Products, Inc.
英文描述： Complete Bias and White LED Power Supplies for Small TFT Displays
中文描述： 可提供完備偏置的白光LED電源，用于TFT顯示器
文件頁數(shù)： 3/13頁
文件大?。?/td> 221K
代理商： MAX1578
M
Complete Bias and White LED Power S upplies
for S mall T FT Displays
_______________________________________________________________________________________
3
PARAMETER
CONDITIONS
MIN
-10.2
TYP
-9.8
1.5
MAX
-9.3
3
UNITS
V
k
NEG Output Voltage
N E G D schar g e S w ch Resi stance
LOGIC INPUT (ONBIAS)
Logic Input Low Voltage
Logic Input High Voltage
I
LOAD
= 0 to -100μA
V
ONBIAS
= 0V
0.72
V
V
1.6
T
A
= +25°C
T
A
= +85°C
0.01
1
1
Input Current
μA
LED BACKLIGHTING
Efficiency
LOAD = 6 LEDs in series at 20mA
84
%
OUT Voltage Range
(Note 2)
(V
IN
-
V
D1
)
32
V
Overvoltage-Lockout (OVLO)
Threshold
V
OUT
rising, 2V hysteresis
32
34
36
V
V
OUT
= 32V, V
CTRL
> 0.24V
10
20
0.01
0.1
32
1
T
A
= +25°C
T
A
= +85°C
OUT Input Bias Current
V
OUT
= V
IN
, V
CTRL
= 0
μA
ERROR AMPLIFIER
T
A
= +25°C
T
A
= -40°C to +85°C
T
A
= +25°C
T
A
= +85°C
MAX1578
0.295
0.292
0.300
0.300
0.01
0.03
500
500
185
170
8.2
60
0.305
0.308
1
CTRL to CS Regulation
V
CTRL
= 1.5V, V
IN
= 2.7V to
5.5V
V
CS Input Bias Current
V
CS
= V
CTRL
/ 5
μA
250
250
780
780
T
A
= +25°C
T
A
= +85°C
CTRL Input Resistance
V
CTRL
< 1.0V
MAX1579
k
CTRL Dual Mode
Threshold
CTRL Shutdown Delay
CS to COMP Transconductance
5mV hysteresis
(Note 3)
V
COMP
= 1.0V
100
6.5
32
240
10.5
90
mV
ms
μS
CS Regulation Derating Function
Start Temperature
V
CTRL
= 3V, MAX1579 only
+42
°C
CS Regulation Derating Function
Slope
V
CTRL
= 3V, T
A
= +65°C, MAX1579 only
-6
mV/°C
MAX1578, V
CTRL
= 3V
MAX1579, V
CTRL
= 3V, T
A
= +25°C
MAX1578
MAX1579
310
322
327
340
1.635
1.70
345
358
CS Maximum Brightness Clamp
Voltage
mV
CS Maximum Brightness Voltage
at CTRL
OSCILLATOR
Operating Frequency
V
f
BOOST
PWM mode
Pulse skipping
CTRL = IN, CS = GND
0.8
1.0
12
0
95
1.2
MHz
Minimum Duty Cycle
%
Maximum Duty Cycle
Dual Mode is a trademark of Maxim Integrated Products, Inc.
92
%
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 3, V
IN
= 3V, CTRL = ONBIAS = IN, T
A
= -40
°
C to +85
°
C, typical values are at T
A
= +25
°
C, unless otherwise noted. Note 1)
相關(guān)PDF資料
PDF描述
MAX1578-MAX1579 Complete Bias and White LED Power Supplies for Small TFT Displays
MAX1578ETG CAP 100UF 63V ELECT TG SMD
MAX1579ETG Complete Bias and White LED Power Supplies for Small TFT Displays
MAX1584 5-Channel Slim DSC Power Supplies
MAX1585 5-Channel Slim DSC Power Supplies
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1578ETG 功能描述:LED照明驅(qū)動(dòng)器 Cmplete Bias & White LED Power Supply RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N
MAX1578ETG+ 功能描述:LED照明驅(qū)動(dòng)器 Cmplete Bias & White LED Power Supply RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N
MAX1578ETG+T 功能描述:LED照明驅(qū)動(dòng)器 Cmplete Bias & White LED Power Supply RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N
MAX1578ETG-T 功能描述:LED照明驅(qū)動(dòng)器 Cmplete Bias & White LED Power Supply RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N
MAX1579ETG 功能描述:LED照明驅(qū)動(dòng)器 RoHS:否 制造商:STMicroelectronics 輸入電壓:11.5 V to 23 V 工作頻率: 最大電源電流:1.7 mA 輸出電流: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SO-16N
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。

采購需求

(若只采購一條型號(hào)，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購

我的聯(lián)系方式

*
*
*