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參數資料
| 型號： | MAX8727ETB |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | 8-Bit Identity/Magnitude Comparators (P=Q) with Enable 20-LCCC -55 to 125 |
| 中文描述： | 2.4 A SWITCHING REGULATOR, 1600 kHz SWITCHING FREQ-MAX, DSO10 |
| 封裝： | 3 X 3 MM, 0.80 MM HEIGHT, MO-229WEED-3, TDFN-10 |
| 文件頁數： | 1/13頁 |
| 文件大小： | 253K |
| 代理商： | MAX8727ETB |
General Description
The MAX8727 is a high-performance step-up DC-DC
converter that provides a regulated supply voltage for
active-matrix thin-film transistor (TFT) liquid-crystal dis-
plays (LCDs). The MAX8727 incorporates current-
mode, fixed-frequency, pulse-width modulation (PWM)
circuitry with a built-in n-channel power MOSFET to
achieve high efficiency and fast transient response.
Users can select 640kHz or 1.2MHz operation using a
logic input pin (FREQ). The high switching frequencies
allow the use of ultra-small inductors and low-ESR
ceramic capacitors. The current-mode architecture pro-
vides fast transient response to pulsed loads. A com-
pensation pin (COMP) gives users flexibility in adjusting
loop dynamics. The 30V internal MOSFET can generate
output voltages up to 24V from an input voltage
between 2.6V and 5.5V. Soft-start slowly ramps the input
current and is programmed with an external capacitor.
The MAX8727 is available in a 10-pin thin DFN package.
Applications
Notebook Computer Displays
LCD Monitor Panels
Features
90% Efficiency
Adjustable Output from V
IN
to 24V
2.6V to 5.5V Input Supply Range
Input Supply Undervoltage Lockout
Pin-Programmable 640kHz/1.2MHz Switching
Frequency
Programmable Soft-Start
0.1μA Shutdown Current
Small 10-Pin Thin DFN Package
M
TFT-LCD Step-Up DC-DC Converter
________________________________________________________________
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
Ordering Information
19-3480; Rev 0; 10/04
EVALUATION KIT
AVAILABLE
PART
TEMP RANGE
-40
°
C to +85
°
C
PIN-PACKAGE
10 Thin DFN 3mm x 3mm
MAX8727ETB
COMP
1
FB
2
3
GND
4
GND
5
10
9
8
7
6
SHDN
SS
FREQ
LX
LX
IN
MAX8727
TOP VIEW
THIN DFN
3mm x 3mm
Pin Configuration
LX
LX
FB
GND
GND
FREQ
IN
COMP
SS
1
4
5
2
3
9
8
6
7
10
V
OUT
V
IN
2.6V TO 5.5V
SHDN
MAX8727
Minimal Operating Circuit
相關PDF資料 |
PDF描述 |
|---|---|
| MAX876BCPA | Low-Power, Low-Drift, +2.5V/+5V/+10V Precision Voltage References |
| MAX873 | 8-Bit Identity/Magnitude Comparators (P=Q) with Enable 20-CFP -55 to 125 |
| MAX873-MAX876 | Octal Buffers/Drivers With 3-State Outputs 20-LCCC -55 to 125 |
| MAX873ACPA | Octal Buffers/Drivers With 3-State Outputs 20-CDIP -55 to 125 |
| MAX873AEPA | Octal Buffers/Drivers With 3-State Outputs 20-CFP -55 to 125 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX8727ETB+ | 制造商:Maxim Integrated Products 功能描述:TFT-LCD STEP-UP DC-DC CONVERTER - Rail/Tube |
| MAX8727ETB+T | 功能描述:LCD 驅動器 TFT-LCD Step-Up DC/DC Converter RoHS:否 制造商:Maxim Integrated 數位數量:4.5 片段數量:30 最大時鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube |
| MAX8727ETB+TG104 | 功能描述:LCD 驅動器 TFT-LCD Step-Up DC/DC Converter RoHS:否 制造商:Maxim Integrated 數位數量:4.5 片段數量:30 最大時鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube |
| MAX8727ETB-T | 功能描述:LCD 驅動器 RoHS:否 制造商:Maxim Integrated 數位數量:4.5 片段數量:30 最大時鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube |
| MAX8727EUB+ | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube |
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