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| 型号： | MAX8798ETX+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 20/31页 |
| 文件大小： | 0K |
| 描述： | IC INTERNAL-SW BOOST REG 36-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 应用： | LCD 监视器，笔记本电脑显示器 |
| 电流 - 电源： | 400µA |
| 电源电压： | 1.8 V ~ 6 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 36-WFQFN 裸露焊盘 |
| 供应商设备封装： | 36-TQFN 裸露焊盘（6x6） |
| 包装： | 管件 |
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Internal-Switch Boost Regulator with
Integrated 3-Channel Scan Driver for TFT LCDs
COLUMN DRIVER
CPV
CKV
SYSTEM
VIDEO
OE
MAX8798
CKVB
PANEL GLASS
TIMING
STV
SCAN DRIVER
STVP
CKV = SCAN CLK ODD
CKVB = SCAN CLK EVEN
STVP = HIGH-VOLTAGE STV
Figure 5. Scan Driver System Diagram
High-Voltage Level-Shifting Scan Driver
The MAX8798 includes a 3-channel high-voltage (60V)
level-shifting scan driver that includes logic functions
necessary to drive row driver functions on the panel
glass (Figure 5). The driver outputs (CKV, CKVB, STVP)
swing between their power-supply rails (GON and
GOFF) according to the input logic levels on the block’s
inputs (STV, CPV, OE, and OECON) and the internal
logic of the block (Tables 3, 4). STV is the vertical sync
signal. CPV is the horizontal sync signal. OE is the output
enable signal. OECON is a timing signal derived from
OE that blanks OE if it stays high too long. These signals
have CMOS input logic levels set by the IN supply volt-
age. CKV and CKVB are complementary scan clock out-
puts. STVP is the output scan start signal. These output
Table 3. STVP Logic
SIGNAL
LOGIC STATE
signals swing from GON to GOFF that have a maximum
range of +45V and -25V. Their 10 Ω (typ) output imped-
ance enables them to swiftly drive capacitive loads. The
STV
OECON
CPV
OE
STVP
H
X
L
L
H
H
X
H
X
Hi-Z
H
X
X
H
Hi-Z
L
X
X
X
L
complementary CKV and CKVB outputs feature power-
saving, charge-sharing inputs (CKVCS, CKVBCS) that
can be used to save power by shorting each output to its
complement during transitions, making a portion of the
transition “lossless.”
X = Don’t care.
Table 4. CKV, CKVB Logic
SIGNAL
LOGIC STATE
STV
OECON
CPV
OE
CKV
CKVB
H
X
L
L
L
H
H
X
H
X
H
L
H
X
X
H
H
L
L
L
L
L
CS
CS
L
L
—
X
Toggle
Toggle
L
L
X
—
Toggle
Toggle
L
H
L
X
CS
CS
L
H
—
X
Toggle
Toggle
X = Don’t care. CS = Charge share state.
20
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相关代理商/技术参数 |
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|---|---|
| MAX8798ETX+ | 功能描述:显示驱动器和控制器 Internal-Switch Boost Regulator RoHS:否 制造商:Panasonic Electronic Components 工作电源电压:2.7 V to 5.5 V 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Reel |
| MAX8798ETX+T | 功能描述:显示驱动器和控制器 Internal-Switch Boost Regulator RoHS:否 制造商:Panasonic Electronic Components 工作电源电压:2.7 V to 5.5 V 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:QFN-44 封装:Reel |
| MAX8798EVCMAXQU+ | 功能描述:显示开发工具 MAX8798 Eval Kit RoHS:否 制造商:4D Systems 产品:4Display Shields 工具用于评估:?OLED-160-G1, ?OLED-160-G2 接口类型:Serial 工作电源电压:5 V |
| MAX8798EVKIT+ | 功能描述:显示开发工具 MAX8798 Eval Kit RoHS:否 制造商:4D Systems 产品:4Display Shields 工具用于评估:?OLED-160-G1, ?OLED-160-G2 接口类型:Serial 工作电源电压:5 V |
| MAX8799EVKIT+ | 制造商:Maxim Integrated Products 功能描述:SINGLE-PHASE AMD CPU - Boxed Product (Development Kits) |
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