參數(shù)資料
型號： MAX766
廠商： Maxim Integrated Products, Inc.
英文描述： -5V/-12V/-15V or Adjustable, High-Efficiency, Low IQ DC-DC Inverters(負(fù)15V/可調(diào),高效率,低IQ值,DC-DC變換器)
中文描述： -5V/-12V/-15V或可調(diào)、高效率、低IQ、DC-DC反相器
文件頁數(shù)： 1/12頁
文件大?。?/td> 155K
代理商： MAX766
_______________General Desc ription
The MAX764/MAX765/MAX766 inverting switching regu-
lators are highly efficient over a wide range of load cur-
rents, delivering up to 1.5W. A unique, current-limited,
pulse-frequency-modulated (PFM) control scheme com-
bines the benefits of traditional PFM converters with the
benefits of pulse-width-modulated (PWM) converters.
Like PWM converters, the MAX764/MAX765/MAX766 are
highly efficient at heavy loads. Yet because they are PFM
devices, they use less than 120μA of supply current (vs.
2mA to 10mA for a PWM device).
The input voltage range is 3V to 16V. The output volt-
age is preset at -5V (MAX764), -12V (MAX765), or -15V
(MAX766); it can also be adjusted from -1V to -16V
using two external resistors (Dual Mode
TM
). The maxi-
mum operating V
IN
- V
OUT
differential is 20V.
These devices use miniature external components; their
high switching frequencies (up to 300kHz) allow for less
than 5mm diameter surface-mount magnetics. A stan-
dard 47μH inductor is ideal for most applications, so no
magnetics design is necessary.
An internal power MOSFET makes the MAX764/MAX765/
MAX766 ideal for minimum component count, low- and
medium-power applications. For increased output drive
capability or higher output voltages, use the
MAX774/MAX775/MAX776 or MAX1774, which drive an
external power P-channel MOSFET for loads up to 5W.
________________________Applic ations
LCD-Bias Generators
Portable Instruments
LAN Adapters
Remote Data-Acquisition Systems
Battery-Powered Applications
____________________________Features
o
High Efficiency for a Wide Range of Load Currents
o
250mA Output Current
o
120μA Max Supply Current
o
5μA Max Shutdown Current
o
3V to 16V Input Voltage Range
o
-5V (MAX764), -12V (MAX765), -15V (MAX766),
or Adjustable Output from -1V to -16V
o
Current-Limited PFM Control Scheme
o
300kHz Switching Frequency
o
Internal, P-Channel Power MOSFET
______________Ordering Information
Ordering Information continued on last page.
* Dice are tested at T
A
= +25°C, DC parameters only.
**Contact factory for availability and processing to MIL-STD-883.
__________________Pin Configuration
M
-5V /-12V /-15V or Adjustable,
High-Effic ienc y, Low I
Q
DC-DC Inverters
________________________________________________________________ Maxim Integrated Products
Call toll free 1-800-998-8800 for free samples or literature.
1
1
2
3
4
8
7
6
5
LX
V+
V+
GND
REF
SHDN
FB
OUT
MAX764
MAX765
MAX766
DIP/SO
TOP VIEW
GND
MAX764
SHDN
LX
OUT
ON/OFF
REF
47μH
OUTPUT
-5V
INPUT
3V TO 15V
V+
FB
__________Typic al Operating Circ uit
19-0176; Rev 0; 6/94
PART
MAX764
CPA
MAX764CSA
MAX764C/D
MAX764EPA
MAX764ESA
MAX764MJ A
MAX765
CPA
MAX765CSA
MAX765C/D
MAX765EPA
MAX765ESA
MAX765MJ A
0°C to +70°C
-40°C to +85°C
0°C to +70°C
0°C to +70°C
TEMP. RANGE
PIN-PACKAGE
8 Plastic DIP
8 SO
Dice*
8 Plastic DIP
8 SO
8 CERDIP**
8 Plastic DIP
8 SO
Dice*
8 Plastic DIP
8 SO
8 CERDIP**
-40°C to +85°C
-55°C to +125°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
0°C to +70°C
-40°C to +85°C
-55°C to +125°C
Evaluation Kit
Available
相關(guān)PDF資料
PDF描述
MAX7705 μP Power-Supply Monitor with Reset(具復(fù)位功能的μP電源監(jiān)控器)
MAX774 High-Efficiency, Low I Q Inverting DC-DC Controllers(可調(diào),高效率,低IQ值,DC-DC控制器)
MAX775 -5V/-12V/-15V or Adjustable, High-Efficiency, Low IQ Inverting DC-DC Controllers
MAX776 -5V/-12V/-15V or Adjustable, High-Efficiency, Low IQ Inverting DC-DC Controllers
MAX774MJA -5V/-12V/-15V or Adjustable, High-Efficiency, Low IQ Inverting DC-DC Controllers
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX7663AC/D DIE 制造商:Maxim Integrated Products 功能描述:
MAX766C/D 功能描述:直流/直流開關(guān)調(diào)節(jié)器 -15V or Adjustable High-Efficiency Low IQ DC-DC Inverters 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
MAX766C/D DIE 制造商:Maxim Integrated Products 功能描述:
MAX766CPA 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Integrated Circuits (ICs) 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
MAX766CPA+ 功能描述:直流/直流開關(guān)調(diào)節(jié)器 5/12/15/AdjV DC/DC Inverter 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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