參數(shù)資料
型號: MAX1889ETE
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 穩(wěn)壓器
英文描述: Triple-Output TFT LCD Power Supply with Fault Protection
中文描述: 2.8 A SWITCHING REGULATOR, 1250 kHz SWITCHING FREQ-MAX, QCC16
封裝: 5 X 5 MM, 0.80 MM HEIGHT, ULTRA THIN, QFN-16
文件頁數(shù): 26/32頁
文件大?。?/td> 796K
代理商: MAX1889ETE
M
If the voltage difference is less than 400mV, then the
emitter of the PNP should be connected to a high sup-
ply voltage. The V
P
output has two charge-pump
stages added to V
MAIN
. The emitter of the PNP can be
connected to the output of the first stage as shown in
Figure 12. For higher efficiency, the first charge-pump
stage can be connected to V
IN
rather than V
MAIN,
as
this reduces the power loss.
Triple-Output TFT LCD Power Supply
with Fault Protection
26
______________________________________________________________________________________
POSITIVE
REGULATOR
STEP-UP
REGULATOR
NEGATIVE
REGULATOR
REF
FB
PGND
DRVP
FBP
LX
DRVN
FBN
REF
GND
MAX1889
V
N
V
P
V
MAIN
+9V
V
N
V
N
V
NL
-7V
V
PL
V
P
V
PL
+20V
R1
R2
C
V
IN
Figure 10. Controlling Power-Up Sequence with External Delay
Chip Information
TRANSISTOR COUNT: 2396
PROCESS: BiCMOS
相關PDF資料
PDF描述
MAX1889 Fixed-Point Digital Signal Processor 256-BGA
MAX1896 1.4MHz SOT23 Current-Mode Step-Up DC-DC Converter
MAX1896EUT-T Fixed-Point Digital Signal Processor 532-FCBGA
MAX1898 Fixed-Point Digital Signal Processor 532-FCBGA
MAX1898EUB41 Linear Charger for Single-Cell Li Battery
相關代理商/技術參數(shù)
參數(shù)描述
MAX1889ETE+ 功能描述:直流/直流開關轉(zhuǎn)換器 Quad-Output TFT LCD Power Supply RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
MAX1889ETE+T 功能描述:LCD 驅(qū)動器 Quad-Output TFT LCD Power Supply RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)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
MAX1889ETE-T 功能描述:LCD 驅(qū)動器 RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)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
MAX1889EVKIT 功能描述:電源管理IC開發(fā)工具 MAX1889 Eval Kit RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
MAX188ACAP 功能描述:模數(shù)轉(zhuǎn)換器 - ADC Integrated Circuits (ICs) RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32