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参数资料
| 型号： | MAX765EPA+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/12页 |
| 文件大小： | 0K |
| 描述： | IC REG INV -12V/ADJ 0.12A 8DIP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 类型： | 反相 |
| 输出类型： | 两者兼有 |
| 输出数： | 1 |
| 输出电压： | -12V，-1 V ~ -16 V |
| 输入电压： | 3 V ~ 16 V |
| 频率 - 开关： | 300kHz |
| 电流 - 输出： | 120mA |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 通孔 |
| 封装/外壳： | 8-DIP（0.300"，7.62mm） |
| 包装： | 管件 |
| 供应商设备封装： | 8-PDIP |
19-0176; Rev 0; 6/94
nK
-5V/-12V/-15V or Adjustable,
valu ailable
High-Efficiency, Low I Q DC-DC Inverters
E
atio
Av
it
_______________General Description
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
____________________________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
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.
________________________Applications
LCD-Bias Generators
Portable Instruments
LAN Adapters
PART
MAX764 CPA
MAX764CSA
MAX764C/D
MAX764EPA
MAX764ESA
MAX764MJA
MAX765 CPA
MAX765CSA
MAX765C/D
MAX765EPA
MAX765ESA
MAX765MJA
TEMP. RANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
-55°C to +125°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
-55°C to +125°C
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**
Remote Data-Acquisition Systems
Battery-Powered Applications
__________Typical Operating Circuit
INPUT
3V TO 15V
V+
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
TOP VIEW
LX
OUTPUT
-5V
OUT
1
8
LX
ON/OFF
SHDN
MAX764
47μH
FB 2
SHDN 3
REF 4
MAX764
MAX765
MAX766
7
6
5
V+
V+
GND
REF
OUT
FB
GND
DIP/SO
________________________________________________________________ Maxim Integrated Products
Call toll free 1-800-998-8800 for free samples or literature.
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX765EPA+ | 功能描述:直流/直流开关调节器 5/12/15/AdjV DC/DC Inverter RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MAX765ESA | 功能描述:直流/直流开关调节器 5/12/15/AdjV DC/DC Inverter RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MAX765ESA+ | 功能描述:直流/直流开关调节器 5/12/15/AdjV DC/DC Inverter RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MAX765ESA+T | 功能描述:直流/直流开关调节器 5/12/15/AdjV DC/DC Inverter RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MAX765ESA-T | 功能描述:直流/直流开关调节器 5/12/15/AdjV DC/DC Inverter RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
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