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MAX8645YETI中文资料PDF规格书
厂商型号 |
MAX8645YETI |
参数属性 | MAX8645YETI 封装/外壳为28-WFQFN 裸露焊盘;包装为卷带(TR);类别为集成电路(IC) > LED 驱动器;MAX8645YETI应用范围:背光,照相机闪光灯;产品描述:IC LED DRV RGLTR SGL WR 28TQFN |
功能描述 | 1x/1.5x/2x White LED Charge Pumps with Two LDOs in 4mm x 4mm TQFN |
文件大小 |
310.54 Kbytes |
页面数量 |
15 页 |
生产厂商 | MaximIntegrated |
企业简称 |
Maxim【美信半导体】 |
中文名称 | 美信半导体官网 |
原厂标识 | |
数据手册 | |
更新时间 | 2024-5-31 16:42:00 |
MAX8645YETI规格书详情
General Description
The MAX8645X/MAX8645Y charge pumps drive up to eight white LEDs with regulated constant current for uniform intensity. The main group of LEDs (M1–M6) can be driven up to 30mA per LED for backlighting. The flash group of LEDs (F1 and F2) is independently controlled and can be driven up to 200mA per LED (or 400mA total). Two 200mA LDOs are on-board to provide power for camera functions. The LDOs’ output voltages are pin programmable to meet different camera-module requirements. The MAX8645X and MAX8645Y differ only in LDO output voltages. By utilizing adaptive 1x/1.5x/2x charge pump modes and very-low-dropout current regulators, the MAX8645X/MAX8645Y achieve high efficiency over the full 1-cell lithium-battery voltage range. The 1MHz fixed-frequency switching allows for tiny external components, and the regulation scheme is optimized to ensure low EMI and low input ripple.
The MAX8645X/MAX8645Y are available in a 28-pin TQFN, 4mm x 4mm (0.8mm max height) lead-free package.
Features
♦ Power Up to Eight LEDs
Up to 30mA/LED Drive for Backlight
Up to 400mA Total Drive for Flash
♦ Two Internal Low-Noise 200mA LDOs
♦ 94 Max/85 Avg Efficiency (PLED/PBATT) over Li+
Battery Discharge
♦ 0.2 Typical LED Current Matching
♦ Adaptive 1x/1.5x/2x Mode Switchover
♦ Single-Wire, Serial-Pulse Interface for Brightness
Control (32 Steps)
♦ Thermal TA Derating Function
♦ Low Input Ripple and EMI
♦ 2.7V to 5.5V Supply Voltage Range
♦ Soft-Start, Overvoltage, and Thermal-Shutdown
Protection
♦ 28-Pin TQFN, 4mm x 4mm Package
Applications
Camera Phones and Smartphones
Backlighting and Flash
PDAs, Digital Cameras, and Camcorders
产品属性
- 产品编号:
MAX8645YETI+T
- 制造商:
Analog Devices Inc./Maxim Integrated
- 类别:
集成电路(IC) > LED 驱动器
- 包装:
卷带(TR)
- 类型:
DC DC 稳压器
- 拓扑:
开关电容器(充电泵)
- 内部开关:
是
- 输出数:
8
- 电压 - 供电(最低):
2.7V
- 电压 - 供电(最高):
5.5V
- 电压 - 输出:
5.5V
- 电流 - 输出/通道:
30mA,200mA(闪存)
- 频率:
1MHz
- 调光:
单线
- 应用:
背光,照相机闪光灯
- 工作温度:
-40°C ~ 85°C(TA)
- 安装类型:
表面贴装型
- 封装/外壳:
28-WFQFN 裸露焊盘
- 供应商器件封装:
28-TQFN(4x4)
- 描述:
IC LED DRV RGLTR SGL WR 28TQFN
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
MAXIM |
22+ |
QFN |
3000 |
原装正品,支持实单 |
询价 | ||
MAXIM |
QFN |
68900 |
原包原标签100%进口原装常备现货! |
询价 | |||
MAXIM |
2016+ |
ROHS |
5632 |
只做进口原装正品!现货或者订货一周货期!只要要网上有 |
询价 | ||
MaximIntegratedProducts |
2022 |
ICLEDDRVRWHITEBCKLGT28-T |
5058 |
原厂原装正品,价格超越代理 |
询价 | ||
MAXIM |
19+ |
QFN |
256800 |
原厂代理渠道,每一颗芯片都可追溯原厂; |
询价 | ||
MAXIM |
22+ |
QFN-28 |
8200 |
原装现货库存.价格优势!! |
询价 | ||
MAXIM |
TQFN |
893993 |
集团化配单-有更多数量-免费送样-原包装正品现货-正规 |
询价 | |||
MAXIM/美信 |
22+ |
QFN28 |
32414 |
原装正品 |
询价 | ||
MAXIM/美信 |
23+ |
QFN |
90000 |
只做原厂渠道价格优势可提供技术支持 |
询价 | ||
MAX |
2305+ |
原厂封装 |
12500 |
15年芯片行业经验/只供原装正品:0755-83267371邹小姐 |
询价 |