参数资料
型号: MCP1640EV-SBC
厂商: Microchip Technology
文件页数: 19/32页
文件大小: 0K
描述: BOARD EVAL FOR MCP1640
标准包装: 1
主要目的: DC/DC,步升
输出及类型: 1,非隔离
输出电压: 2V,3.3V 或 5V
电流 - 输出: 100mA,350mA
输入电压: 0.35 ~ 5.5V
稳压器拓扑结构: 升压
频率 - 开关: 500kHz
板类型: 完全填充
已供物品:
已用 IC / 零件: MCP1640
MCP1640/B/C/D
6.0
TYPICAL APPLICATION CIRCUITS
L 1
4.7 μ H
MANGANESE LITHIUM
DIOXIDE BUTTON CELL
SW V OUT
V OUT
5.0V @ 5 mA
2.0V TO 3.2V
+
-
C IN
4.7 μ F
V IN
EN
V FB
976 K ?
C OUT
10 μ F
309 K ?
FROM PIC MCU I/O
?
GND
Note:
FIGURE 6-1:
For applications that can operate directly from the battery input voltage during Sleep mode and
require a higher voltage during Normal Run mode, the MCP1640C device provides input to out-
put bypass when disabled. The PIC ? microcontroller is powered by the output of the MCP1640C.
One of its I/O pins is used to enable and disable the MCP1640C to control its bias voltage. While
operating in Sleep mode, the MCP1640C input quiescent current is typically less than 1 uA.
Manganese Lithium Coin Cell Application Using Bypass Mode.
L 1
10 μ H
V OUT
V IN
3.3V To 4.2V
SW V
OUTS
5.0V @ 350 mA
+
C IN
10 μ F
V IN
EN
V OUTP
V FB
976 K ?
C OUT
10 μ F
309 K ?
-
P GND S GND
FIGURE 6-2:
USB On-The-Go Powered by Li-Ion.
? 2011 Microchip Technology Inc.
DS22234B-page 19
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相关代理商/技术参数
参数描述
MCP1640-I/CH 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:0.65V Start-up Synchronous Boost Regulator with True Output Disconnect or Input/Output Bypass Option
MCP1640-I/MC 功能描述:直流/直流开关转换器 500 kHz 300 mA Syn. PWM/PFM enabled 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
MCP1640-I/MC 制造商:Microchip Technology Inc 功能描述:BOOST DC/DC REGULATOR IC
MCP1640-ICH 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:0.65V START-UP SYNCHRONOUS BOOST REGULATOR WITH TRUE OUTPUT DISCONNECT OR INPUT/OUTPUT BYPASS OPTION
MCP1640-IMC 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:0.65V START-UP SYNCHRONOUS BOOST REGULATOR WITH TRUE OUTPUT DISCONNECT OR INPUT/OUTPUT BYPASS OPTION