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| 型号： | MCP1630VT-E/MC |
| 厂商： | Microchip Technology |
| 文件页数： | 1/26页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BST FLYBK ISO 8-DFN |
| 标准包装： | 3,300 |
| PWM 型： | 电流模式 |
| 输出数： | 1 |
| 频率 - 最大： | 1MHz |
| 占空比： | 75% |
| 电源电压： | 3 V ~ 5.5 V |
| 降压： | 是 |
| 升压： | 是 |
| 回扫： | 是 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 是 |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 8-VFDFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
| 配用： | MCP1630DM-LED2-ND - BOARD DEM MCP1630 BOOST MODE LED MCP1630RD-NMC1-ND - REF DESIGN MCP1630 NIMH BATT CHG MCP1630RD-DDBK3-ND - REF DESIGN MCP1630V BI-DIR 4CELL MCP1630DM-DDBK4-ND - BOARD CONV DEMO MCP1630 TRPL-OUT MCP1630DM-DDBS2-ND - BOARD DEMO BOOST COUPLED INDUCTR MCP1630DM-DDBS1-ND - BOARD DEMO BOOST AUTO INPUT MCP1630DM-NMC1-ND - BOARD DEMO FOR MCP1630 |
MCP1630/MCP1630V
High-Speed, Microcontroller-Adaptable,
Pulse Width Modulator
Features
? High-Speed PWM Operation (12 ns Current
Sense to Output Delay)
? Operating Temperature Range:
- -40°C to +125°C
? Precise Peak Current Limit (±5%) ( MCP1630 )
? Voltage Mode and Average Current Mode Control
( MCP1630V )
? CMOS Output Driver (drives MOSFET driver or
low-side N-channel MOSFET directly)
? External Oscillator Input
(from PICmicro ? Microcontroller (MCU))
? External Voltage Reference Input (for adjustable
voltage or current output application)
? Peak Current Mode Operation > 1 MHz
? Low Operating Current: 2.8 mA (typ.)
? Fast Output Rise and Fall Times: 5.9 ns and
6.2 ns
? Undervoltage Lockout (UVLO) Protection
? Output Short Circuit Protection
? Overtemperature Protection
Applications
Description
The MCP1630/V is a high-speed Pulse Width Modula-
tor (PWM) used to develop intelligent power systems.
When used with a microcontroller unit (MCU), the
MCP1630/V will control the power system duty cycle to
provide output voltage or current regulation. The MCU
can be used to adjust output voltage or current, switch-
ing frequency, maximum duty cycle and other features
that make the power system more intelligent.
Typical applications include smart battery chargers,
intelligent power systems, brick dc/dc converters, ac
power-factor correction, multiple output power supplies,
multi-phase power supplies and more.
The MCP1630/V inputs were developed to be easily
attached to the I/O of a MCU. The MCU supplies the
oscillator and reference to the MCP1630/V to provide
the most flexible and adaptable power system. The
power system switching frequency and maximum duty
cycle are set using the I/O of the MCU. The reference
input can be external, a D/A Converter (DAC) output or
as simple as an I/O output from the MCU. This enables
the power system to adapt to many external signals
and variables in order to optimize performance and
facilitate calibration.
?
?
?
?
?
?
Intelligent Power Systems
Smart Battery Charger Applications
Multiple Output/Multiple Phase Converters
Output Voltage Calibration
AC Power Factor Correction
VID Capability (programmed and calibrated by
PICmicro ? microcontroller)
When operating in Current mode, a precise limit is set
on the peak current. With the fast comparator speed
(typically 12 ns), the MCP1630 is capable of providing a
tight limit on the maximum switch current over a wide
input voltage range when compared to other high-speed
PWM controllers.
For Voltage mode or Average Current mode
applications, the MCP1630V provides a larger range for
? Buck/Boost/Buck-Boost/SEPIC/Flyback/Isolated
the external ramp voltage.
Converters
? Parallel Power Supplies
Related Literature
? “MCP1630 NiMH Demo Board User ’s Guide”,
Additional protection features
overtemperature and overcurrent.
Package Type
include:
UVLO,
Microchip Technology Inc., DS51505, 2004
? “MCP1630 Low-Cost Li-Ion Battery Charger
8-Lead DFN
(2 mm x 3 mm)
8-Lead MSOP
User ’s Guide”, Microchip Technology Inc.,
DS51555, 2005
? “MCP1630 Li-Ion Multi-Bay Battery Charger
User ’s Guide”, Microchip Technology Inc.,
DS51515, 2005
COMP 1
FB 2
CS 3
OSC IN 4
8 V REF
7 V IN
6 V EXT
5 GND
COMP 1
FB 2
CS 3
OSC IN 4
8 V REF
7 V IN
6 V EXT
5 GND
? “MCP1630 Dual Buck Demo Board User’s Guide”,
Microchip Technology Inc., DS51531, 2005
? 2005 Microchip Technology Inc.
DS21896B-page 1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MCP1631 | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:High-Speed, Pulse Width Modulator |
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