MAX669中文资料PDF规格书
MAX669规格书详情
General Description
The MAX668/MAX669 constant-frequency, pulse-width modulating (PWM), current-mode DC-DC controllers are designed for a wide range of DC-DC conversion applications including step-up, SEPIC, flyback, and isolated output configurations. Power levels of 20W or more can be controlled with conversion efficiencies of over 90. The 1.8V to 28V input voltage range supports a wide range of battery and AC-powered inputs. An advanced BiCMOS design features low operating current (220µA), adjustable operating frequency (100kHz to 500kHz), soft-start, and a SYNC input allowing the MAX668/MAX669 oscillator to be locked to an external clock.
DC-DC conversion efficiency is optimized with a low 100mV current-sense voltage as well as with Maxim’s proprietary Idle Mode™ control scheme. The controller operates in PWM mode at medium and heavy loads for lowest noise and optimum efficiency, then pulses only as needed (with reduced inductor current) to reduce operating current and maximize efficiency under light loads. A logic-level shutdown input is also included, reducing supply current to 3.5µA.
Features
♦ 1.8V Minimum Start-Up Voltage (MAX669)
♦ Wide Input Voltage Range (1.8V to 28V)
♦ Tiny 10-Pin µMAX Package
♦ Current-Mode PWM and Idle Mode™ Operation
♦ Efficiency over 90
♦ Adjustable 100kHz to 500kHz Oscillator or SYNC Input
♦ 220µA Quiescent Current
♦ Logic-Level Shutdown
♦ Soft-Start
Applications
Cellular Telephones
Telecom Hardware
LANs and Network Systems
POS Systems
产品属性
- 产品编号:
MAX66903-K00
- 制造商:
Analog Devices Inc./Maxim Integrated
- 类别:
开发板,套件,编程器 > RFID 评估和开发套件,板
- 包装:
盒
- 类型:
RFID 阅读器
- 频率:
13.56MHz
- 配套使用/相关产品:
MAX66100,MAX66120,MAX66140
- 所含物品:
板,电缆
- 描述:
KIT ISO 15693 DEVELOPERS KIT
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
MAXIM |
22+ |
MSOP10 |
5000 |
原厂原装,价格优势!13246658303 |
询价 | ||
MAX |
17+ |
MSOP10 |
9600 |
只做全新进口原装,现货库存 |
询价 | ||
MAXIM/美信 |
2021+ |
MSOP10 |
5210 |
原装现货,优势渠道订货假一赔十 |
询价 | ||
MAXIM/美信 |
24+ |
MSOP10 |
58000 |
全新原厂原装正品现货,可提供技术支持、样品免费! |
询价 | ||
MAXIM |
1620 |
135 |
询价 | ||||
MAXIM(美信) |
21+ |
TSSOP20 |
4550 |
全新原装现货 |
询价 | ||
Maxim |
10+ |
MA |
6000 |
绝对原装自己现货 |
询价 | ||
Maxim Integrated |
23+ |
NA |
14280 |
强势渠道订货 7-10天 |
询价 | ||
原厂品牌 |
2020+ |
SSOP |
985000 |
100%进口原装正品公司现货库存 |
询价 | ||
MAX6696AEE-T |
2357 |
2357 |
询价 |
相关库存
更多- MAX6689UP38+
- MAX668EUB
- MAX668-MAX669
- MAX6689UP9E+
- MAX668EUB
- MAX668EUB
- MAX668EVKIT
- MAX6692MUA
- MAX6690
- MAX6691MUB
- MAX6692
- MAX6690MEE
- MAX6692MSA
- MAX6691
- MAX6693UP9A
- MAX6694
- MAX6694UE9A
- MAX6693
- MAX6694TE9A
- MAX6692MUA
- MAX6692MSA
- MAX6692YMUA
- MAX6692YMSA
- MAX6690_09
- MAX6690
- MAX6691
- MAX6691MUB
- MAX6690MEE
- MAX6691_07
- MAX66901-K00#
- MAX66901EVKIT
- MAX66901-K00#