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| 型号： | MAX761ESA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/12页 |
| 文件大小： | 0K |
| 描述： | IC REG BOOST 12V/ADJ 0.15A 8SOIC |
| 标准包装： | 2,500 |
| 类型： | 升压（升压） |
| 输出类型： | 两者兼有 |
| 输出数： | 1 |
| 输出电压： | 12V，5 V ~ 16.5 V |
| 输入电压： | 2 V ~ 16.5 V |
| 频率 - 开关： | 300kHz |
| 电流 - 输出： | 150mA |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 8-SOIC |
19-0201; Rev 0; 11/93
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12V/15V or Adjustable, High-Efficiency,
Low I Q , Step-Up DC-DC Converters
_______________General Description
____________________________Features
The MAX761/MAX762 step-up switching regulators
provide high efficiency over a wide range of load currents,
delivering up to 150mA. A unique, current-limited
pulse-frequency-modulated (PFM) control scheme gives
the devices the benefits of pulse-width-modulated (PWM)
converters (high efficiency with heavy loads), while using
less than 110μA of supply current (vs. 2mA to 10mA for
PWM converters). The result is high efficiency over a wide
range of loads.
The MAX761/MAX762 input voltage range is 2V to 16.5V.
Output voltages are preset to 12V (MAX761) and 15V
(MAX762), or they can be set with two external resistors.
With a 5V input, the MAX761 guarantees a 12V, 150mA
output. Its high efficiency, low supply current, fast start-up
time, SHDN controlling capability, and small size make the
MAX761 ideal for powering flash memory.
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High Efficiency for a Wide Range of Load Currents
12V/150mA Flash Memory Programming Supply
110μA Max Supply Current
5μA Max Shutdown Supply Current
2V to 16.5V Input Voltage Range
12V (MAX761), 15V (MAX762) or Adjustable Output
Current-Limited PFM Control Scheme
300kHz Switching Frequency
Internal, 1A, N-Channel Power FET
LBI/LBO Low-Battery Comparator
______________Ordering Information
The MAX761/MAX762 have an internal 1A power MOS-
FET, making them ideal for minimum-component, low- and
medium-power applications. These devices use tiny exter-
nal components, and their high switching frequencies (up
to 300kHz) allow for small surface-mount magnetics.
For increased output drive capability or higher output volt-
ages, use the MAX770–MAX773, which are similar in
design to the MAX761/MAX762, but drive external power
MOSFETs. For stepping up to 5V, see the MAX756/
MAX757 and MAX856-MAX859 data sheets.
_________________________Applications
Flash Memory Programming
PCMCIA Cards
Battery-Powered Applications
PART
MAX761 CPA
MAX761CSA
MAX761C/D
MAX761EPA
MAX761ESA
MAX761MJA
MAX762 CPA
MAX762CSA
MAX762C/D
MAX762EPA
MAX762ESA
MAX762MJA
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**
High-Efficiency DC-DC Converters
__________Typical Operating Circuit
INPUT
* Contact factory for dice specifications.
** Contact factory for availability and processing to MIL-STD-883.
__________________Pin Configuration
4.75V
TO 12V
33μF
18μH
OUTPUT
12V
TOP VIEW
ON/OFF
SHDN
MAX761
LX
V+
150mA
33μF
LBO
LBI
1
2
MAX761
8
7
V+
LX
FB
3
MAX762
6
GND
LOW-BATTERY
DETECTOR INPUT
LBI
REF
LBO
LOW-BATTERY
DETECTOR OUTPUT
SHDN 4
5
REF
FB
GND
DIP/SO
________________________________________________________________ Maxim Integrated Products
Call toll free 1-800-998-8800 for free samples or literature.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX761EVKIT-SO | 功能描述:电源管理IC开发工具 RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| MAX761EVKIT-SO+ | 功能描述:电源管理IC开发工具 RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| MAX761MJA | 功能描述:直流/直流开关转换器 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX7624C/D | 功能描述:数模转换器- DAC RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube |
| MAX7624CPE | 功能描述:数模转换器- DAC RoHS:否 制造商:Texas Instruments 转换器数量:1 DAC 输出端数量:1 转换速率:2 MSPs 分辨率:16 bit 接口类型:QSPI, SPI, Serial (3-Wire, Microwire) 稳定时间:1 us 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-14 封装:Tube |
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