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| 型号： | MCP1650DM-LED1 |
| 厂商： | Microchip Technology |
| 文件页数： | 1/28页 |
| 文件大小： | 0K |
| 描述： | BOARD DEMO FOR MCP165X |
| 标准包装： | 1 |
| 输出及类型： | 1，非隔离 |
| 特点： | 可调光 |
| 输入电压： | 2 ~ 4.5 V |
| 已供物品： | 板 |
| 已用 IC / 零件： | MCP1651 |
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M
MCP1650/51/52/53
750 kHz Boost Controller
Features
? Output Power Capability Over 5 Watts
? Output Voltage Capability From 3.3V to Over
100V
? 750 kHz Gated Oscillator Switching Frequency
? Adaptable Duty Cycle for Battery or Wide-Input,
Voltage-Range Applications
? Input Voltage Range: 2.0V to 5.5V
? Capable of SEPIC and Flyback Topologies
? Shutdown Control with I Q < 0.1 μA (Typical)
? Low Operating Quiescent Current: I Q = 120 μA
? Voltage Feedback Tolerance (0.6%, Typical)
? Popular MSOP-8 Package
? Peak Current Limit Feature
? Two Undervoltage Lockout (UVLO) Options:
- 2.0V or 2.55V
? Operating Temperature Range: -40°C to +125°C
Applications
? High-Power Boost Applications
Description
The MCP1650/51/52/53 is a 750 kHz gated oscillator
boost controller packaged in an 8 or 10-pin MSOP
package. Developed for high-power, portable applica-
tions, the gated oscillator controller can deliver 5 watts
of power to the load while consuming only 120 μA of
quiescent current at no load. The MCP1650/51/52/53
can operate over a wide input voltage range (2.0V to
5.5V) to accommodate multiple primary-cell and single-
cell Li-Ion battery-powered applications, in addition to
2.8V, 3.3V and 5.0V regulated input voltages.
An internal 750 kHz gated oscillator makes the
MCP1650/51/52/53 ideal for space-limited designs.
The high switching frequency minimizes the size of the
external inductor and capacitor, saving board space
and cost. The internal oscillator operates at two differ-
ent duty cycles depending on the level of the input volt-
age. By changing duty cycle in this fashion, the peak
input current is reduced at high input voltages, reducing
output ripple voltage and electrical stress on power
train components. When the input voltage is low, the
duty cycle changes to a larger value in order to provide
full-power capability at a wide input voltage range
?
?
?
?
?
?
High-Voltage Bias Supplies
White LED Drivers and Flashlights
Local 3.3V to 5.0V Supplies
Local 3.3V to 12V Supplies
Local 5.0V to 12V Supplies
LCD Bias Supply
typical of battery-powered, portable applications.
The MCP1650/51/52/53 was designed to drive external
switches directly using internal low-resistance
MOSFETs.
Additional features integrated on the MCP1650/51/52/
53 family include peak input current limit, adjustable
output voltage/current, low battery detection and
power-good indication.
Package Types
8-Pin MSOP
8-Pin MSOP
EXT
GND
CS
FB
1
2
3
4
8
7
6
5
V IN
NC
NC
SHDN
EXT
GND
CS
FB
1
2
3
4
8
7
6
5
V IN
LBO
LBI
SHDN
8-Pin MSOP
10-Pin MSOP
EXT
GND
CS
FB
1
2
3
4
8
7
6
5
V IN
PG
NC
SHDN
EXT
GND
CS
FB
NC
1
2
3
4
5
10
9
8
7
6
V IN
PG
LBO
LBI
SHDN
? 2004 Microchip Technology Inc.
DS21876A-page 1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MCP1650DM-LED2 | 功能描述:电源管理IC开发工具 MCP1650 Mult Wht LED Demo Brd 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 |
| MCP1650EV | 功能描述:开发板和工具包 - PIC / DSPIC MCP1650 Boost Contr Eval Board RoHS:否 制造商:Microchip Technology 产品:Starter Kits 工具用于评估:chipKIT 核心:Uno32 接口类型: 工作电源电压: |
| MCP1650R-E/MS | 功能描述:直流/直流开关转换器 UVLO 2V 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 |
| MCP1650R-E/MS | 制造商:Microchip Technology Inc 功能描述:Controller IC |
| MCP1650REMS | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:750 kHz Boost Controller |
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