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参数资料
| 型号： | MAX8608ZETD+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 4/11页 |
| 文件大小： | 0K |
| 描述： | IC LED DRVR WT/OLED BCKLT 14TDFN |
| 标准包装： | 2,500 |
| 拓扑： | PWM，升压（升压） |
| 输出数： | 2 |
| 内部驱动器： | 是 |
| 类型 - 主要： | 背光 |
| 类型 - 次要： | OLED，白色 LED |
| 频率： | 770kHz ~ 1.25MHz |
| 电源电压： | 2.7 V ~ 6 V |
| 输出电压： | 26V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 14-WFDFN 裸露焊盘 |
| 供应商设备封装： | 14-TDFN-EP（3x3） |
| 包装： | 带卷 (TR) |
| 工作温度： | -40°C ~ 85°C |
High-Efficiency, 26V Step-Up Converters for Main
and Subdisplays Using OLEDs and/or White LEDs
Typical Operating Characteristics
(Circuit of Figure 1, V IN = 3.6V, I LED = 20mA, L1 = 22μH, C OVP = 1μF, C COMP = 0.01μF, R SENSE = 13 ? , V CTRL = 1.5V, 4 LEDs, T A =
+25°C, unless otherwise noted.)
100
90
LED EFFICIENCY
vs. INPUT VOLTAGE (500kHz)
4 LEDs
100
90
LED EFFICIENCY
vs. LOAD CURRENT (500kHz)
V IN = 4.2V
100
90
LED EFFICIENCY
vs. LOAD CURRENT (500kHz)
V IN = 4.2V
80
80
80
70
6 LEDs
70
V IN = 3V
V IN = 3.6V
70
V IN = 3.6V
V IN = 3V
60
60
60
50
2.0
3.0
4.0
5.0
6.0
50
0
5
10
15
4-LED LOAD
20 25
30
50
0
5
10
15
20
6-LED LOAD
25
30
INPUT VOLTAGE (V)
LOAD CURRENT (mA)
LOAD CURRENT (mA)
100
90
EFFICIENCY vs. LOAD CURRENT
(1MHz)
V OUTB = 12V
100
90
EFFICIENCY vs. LOAD CURRENT
(500kHz)
V OUTB = 12V
1200
1100
SWITCHING FREQUENCY
vs. INPUT VOLTAGE
T A = +85 ° C
80
70
60
V OUTB = 18V V OUTB = 25V
80
70
60
V OUTB = 25V
V OUTB = 18V
1000
900
T A = -40 ° C
T A = +25 ° C
50
40
30
20
50
40
30
20
800
700
600
10
0
0.1
1 10
LOAD CURRENT (mA)
100
10
0
0.1
1 10
LOAD CURRENT (mA)
100
500
2.5
3.0
3.5 4.0 4.5
INPUT VOLTAGE (V)
5.0
5.5
WLED POWER-UP WAVEFORM
MAX8608Y toc07
WLED ENTERING SHUTDOWN WAVEFORM
MAX8608Y toc08
OUTA
10V/div
OUTA
10V/div
Ch1 high
4.00V
IN
20mV/div
IN
20mV/div
Ch1 low
-200mV
FBA
FBA
200mV/div
200mV/div
ENA
2ms/div
5V/div
ENA
2ms/div
5V/div
4
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相关代理商/技术参数 |
参数描述 |
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| MAX860CSA+T | 功能描述:电荷泵 50mA f-Selectable Voltage Converter RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 输出电压:- 1.5 V to - 5.5 V, 3 V to 11 V 输出电流:100 mA 电源电流:1 mA 最大工作温度:+ 70 C 封装 / 箱体:SOIC-8 Narrow 封装:Tube |
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