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參數(shù)資料
| 型號(hào)： | MAX865 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Compact, Dual-Output Charge Pump |
| 中文描述： | 緊湊的、雙輸出電荷泵 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 89K |
| 代理商： | MAX865 |
_______________General Desc ription
The MAX865 is a CMOS charge-pump DC-DC convert-
er in an ultra-small μMAX package. It produces positive
and negative outputs from a single positive input, and
requires only four capacitors. The charge pump first
doubles the input voltage, then inverts the doubled volt-
age. The input voltage ranges from +1.5V to +6.0V.
The internal oscillator is guaranteed to be between
20kHz and 38kHz, keeping noise above the audio
range while consuming minimal supply current. A 75
output impedance permits useful output currents up to
20mA.
The MAX865 comes in a 1.11mm-high, 8-pin μMAX
package that occupies half the board area of a stan-
dard 8-pin SOIC. For a device with selectable frequen-
cies and logic-controlled shutdown, refer to the MAX864
data sheet.
________________________Applic ations
Low-Voltage GaAsFET Bias in Wireless Handsets
VCO and GaAsFET Supplies
Split Supply from 3 Ni Cells or 1 Li+ Cell
Low-Cost Split Supply for Low-Voltage
Data-Acquisition Systems
Split Supply for Analog Circuitry
LCD Panels
____________________________Features
o
1.11mm-High μMAX Package
o
Compact: Circuit Fits in 0.08in
2
o
Requires Only Four Capacitors
o
Dual Outputs (positive and negative)
o
+1.5V to +6.0V Input Voltage
o
20kHz (min) Frequency (above the audio range)
M
Compac t, Dual-Output Charge Pump
________________________________________________________________ Maxim Integrated Products
1
1
2
3
4
8
7
6
5
C1+
V+
IN
GND
V-
C2-
C2+
C1-
MAX865
μ
MAX
TOP VIEW
__________________Pin Configuration
MAX865
C1+
V+
GND
GND
+V
IN
to ±2V
IN
CONVERTER
V-
IN
GND
C1-
C2+
C2-
+2*V
IN
V
IN
(+1.5V to +6.0V)
-2*V
IN
__________Typic al Operating Circ uit
19-0472; Rev 1; 7/97
PART
MAX865C/D
MAX865EUA
-40°C to +85°C
0°C to +70°C
TEMP. RANGE
PIN-PACKAGE
Dice
8 μMAX
______________Ordering Information
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 408-737-7600 ext. 3468.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX865EUA | Compact, Dual-Output Charge Pump |
| MAX866 | Hex Inverters 20-LCCC -55 to 125 |
| MAX866ESA | Hex Inverters 14-CDIP -55 to 125 |
| MAX867 | Hex Inverters 14-CFP -55 to 125 |
| MAX867ESA | 3.3V/5V or Adjustable-Output, Single-Cell DC-DC Converters |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX8650EEG+ | 功能描述:DC/DC 開關(guān)控制器 4.5-28V Current-Mode Step-Down Controller RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| MAX8650EEG+T | 功能描述:DC/DC 開關(guān)控制器 4.5-28V Current-Mode Step-Down Controller RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| MAX8650EEG+TW | 制造商:Maxim Integrated Products 功能描述:WAIVERED VERSION OF MAX8650EEG+T - Tape and Reel |
| MAX8650EVKIT | 功能描述:DC/DC 開關(guān)控制器 Evaluation Kit for the MAX8650 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
| MAX8653ETI+ | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Dual 5A 1.5MHz Step Down Regulator RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
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