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参数资料
| 型号： | MAX8608ZETD+T |
| 厂商： | Maxim Integrated |
| 文件页数： | 7/11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
2.7V TO 6V
C IN
2.2 μ F
L1
22 μ H
PWM
IN
LX
D1
C OVP
1 μ F
CONTROL
PGND
OVERVOLTAGE
PROTECTION
FSEL
SLOPE
COMP
CURRENT
SENSE
CURRENT
LIMIT
OVP
UP TO 28V
DAC OR
PWM
CTRL
121k ?
279k ?
+
-
g m
COMP
ENA
V CLAMP
1.25
100k ?
R COMP
10k ?
C COMP
0.01 μ F
OUTA
ENB
UP TO
OUTB
FBB
1000pF
UP TO 26V
R1
360k ?
6 LEDs
MAX8608Y/
MAX8608Z
ENABLE
GND
Figure 1. Functional Diagram and Typical Applications Circuit
MUX
FBA
R2
6k ?
R SENSE
13 ?
Detailed Description
The MAX8608’s high efficiency and small size make it
ideally suited to drive any combination of OLED and/or
WLEDs in dual-display cell phones. It operates as a
PWM boost DC-DC converter with two internal load
switches to power two independent displays. Each out-
put can be configured for current or voltage regulation.
The feedback input regulates at V CTRL / 5 or 330mV
(max), whichever is lower. In current regulation, the
MAX8608 provides even illumination by sourcing the
same output current through each LED, eliminating the
need for expensive factory calibration. The MAX8608
can also function as a voltage supply by connecting a
voltage-divider from either OUTA or OUTB to its corre-
sponding feedback input.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX860C/D DIE | 制造商:Maxim Integrated Products 功能描述: |
| MAX860CPA | 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 |
| MAX860CSA | 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX860CSA+ | 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 |
| 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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