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参数资料
| 型号： | MAX761ESA |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 11/12页 |
| 文件大小： | 0K |
| 描述： | IC REG BOOST 12V/ADJ 0.15A 8SOIC |
| 标准包装： | 100 |
| 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： | 管件 |
| 供应商设备封装： | 8-SOIC |
12V/15V or Adjustable, High-Efficiency,
Low I Q , Step-Up DC-DC Converters
(V TRIP - V REF )
Reference Capacitor
Bypass REF with a 0.1μF capacitor. REF can source up
to 100μA.
Setting the Low-Battery Detector Voltage
To set the low-battery detector ’s falling trip voltage
(V TRIP ), select R3 between 10k ? and 500k ? (Figures 2
and 3), and calculate R4 as follows:
R4 = R3 [ ]
V REF
where V REF = 1.5V.
The rising trip voltage is higher because of the compara-
tor’s hysteresis of approximately 20mV, and can be cal-
culated by:
V TRIP (rising) = (V REF + 20mV)(1 + R4/R3).
Connect a high-value resistor (larger than R3 + R4)
between LBI and LBO if additional hysteresis is required.
Table 1. Component Suppliers
Connect a pull-up resistor (e.g., 100k ? ) between LBO
and V OUT . Tie LBI to GND or V+ and leave LBO floating
if the low-battery detector is not used.
___________Applications Information
Layout Considerations
Proper PC board layout is essential because of high cur-
rent levels and fast switching waveforms that radiate
noise. Minimize ground noise by connecting GND, the
input bypass-capacitor ground lead, and the output filter-
capacitor ground lead to a single point (star ground con-
figuration). Also minimize lead lengths to reduce stray
capacitance, trace resistance, and radiated noise. The
traces connected to FB and LX, in particular, must be
short. Place bypass capacitor C2 as close as possible to
V+ and GND.
PRODUCTION METHOD
Surface Mount
INDUCTORS
Sumida
CD54-180 (22μH)
CAPACITORS
Matsuo
267 series
DIODES
Nihon
EC10 series
Coiltronics
CTX 100-series
Miniature Through-Hole
Low-Cost Through-Hole
Sumida
RCH855-180M
Renco
RL 1284-18
Sanyo
OS-CON series
Low-ESR organic
semiconductor
Nichicon
PL series
Low-ESR electrolytics
United Chemi-Con
LXF series
Motorola
1N5817,
MUR105
Coiltronics
Matsuo
Matsuo
Nichicon
Nihon
Renco
Sanyo
Sanyo
Sumida
Sumida
United Chem-Con
(USA)
(USA)
(Japan)
(USA)
(USA)
(USA)
(USA)
(Japan)
(USA)
(Japan)
(USA)
(407) 241-7876
(714) 969-2491
81-6-337-6450
(708) 843-7500
(805) 867-2555
(516) 586-5566
(619) 661-6835
(0720) 70-1005
(708) 956-0666
81-3-607-5111
(714) 255-9500
FAX (407) 241-9339
FAX (714) 960-6492
FAX 81-6-337-6456
FAX (708) 843-2798
FAX (805) 867-2556
FAX (516) 586-5562
FAX (619) 661-1055
FAX (0720) 70-1174
FAX 81-3-607-5144
FAX (714) 255-9400
______________________________________________________________________________________
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX761ESA/G0F | 制造商:Maxim Integrated Products 功能描述:12V OR ADJUSTABLE, HIGH EFFICIENCY, LOW IQ, S - Bulk |
| MAX761ESA/G0F-T | 制造商:Maxim Integrated Products 功能描述:12V OR ADJUSTABLE, HIGH EFFICIENCY, LOW IQ, S - Tape and Reel |
| MAX761ESA/GG8 | 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 |
| MAX761ESA+ | 功能描述:直流/直流开关转换器 12/15/AdjV Step-Up DC/DC Converter 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 |
| MAX761ESA+T | 功能描述:直流/直流开关转换器 Integrated Circuits (ICs) 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 |
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