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MAX1561

High-Efficiency, 26V Step-Up Converters for Two to Six White LEDs

General Description The MAX1561/MAX1599 step-up converters drive up to six white LEDs with a constant current to provide backlight in cell phones, PDAs, and other hand-held devices. The step-up converter topology allows series connection of the white LEDs so the LED currents are identical for uni

文件:245.34 Kbytes 页数:10 Pages

Maxim

美信

MAX1561

高效率、26V、升压型转换器,用于2到6只白光LED

MAX1561/MAX1599升压型转换器能够以恒定电流驱动多达6个白色LED,为蜂窝电话、PDA和其他的手持设备提供背光源。升压转换结构允许白色LED串行连接,使每个LED保持相同的电流、以获得均匀的亮度。这种配置不需要镇流电阻和昂贵的工厂校准过程。\n\n MAX1561/MAX1599内置高电压、低RDS(ON)的N沟道MOSFET开关,可提供较高的转换效率、有效延长电池寿命。Dual Mode™输入提供简单的亮度调整和开关控制。1MHz (MAX1599为500kHz)的高速、电流模式脉宽调制(PWM)结构允许选用小尺寸的输入、输出电容和电感,并使输入电源/电池上的 • 精确的电流调节可获得均匀亮度\n• 效率高达87%\n• 灵活的模拟或PWM亮度控制\n• 内置30V MOSFET开关,最大输出功率900mW\n• 1MHz (MAX1561)或500kHz (MAX1599)高速PWM工作频率 \n• 小尺寸外部元件\n• 2.6V至5.5V电压输入范围\n• 最大26V输出, 带过压保护 \n• 优化于15mVP-P低输入纹波\n• 具有零输入浪涌电流软启动\n• 0.3µA关断电流 \n• 小巧的8引脚、3mm x 3mm薄型DFN封装;

ADI

亚德诺

MAX1561ETA

High-Efficiency, 26V Step-Up Converters for Two to Six White LEDs

General Description The MAX1561/MAX1599 step-up converters drive up to six white LEDs with a constant current to provide backlight in cell phones, PDAs, and other hand-held devices. The step-up converter topology allows series connection of the white LEDs so the LED currents are identical for uni

文件:245.34 Kbytes 页数:10 Pages

Maxim

美信

MAX1561ETA+T

Package:8-WDFN 裸露焊盘;包装:卷带(TR) 类别:集成电路(IC) LED 驱动器 描述:IC LED DRV RGLTR PWM 950MA 8TDFN

AD

亚德诺

技术参数

  • VIN (max)(V):

    5.5

  • Max. No. of LEDs:

    6

  • # LED Channels:

    1

  • Regulation Topology:

    Inductor Based

  • Battery Input:

    1-Cell Li+

  • LED Configuration:

    Series

  • ILED per Channel (max)(A):

    0.02

  • PWM Dimming Freq. (max)(kHz):

    200

  • Dimming Control:

    Analog

  • VCURR_SENSE(mV):

    100

  • POUT(W):

    0.9

  • ICC (max)(mA):

    0.55

  • LED String Volt. (max)(V):

    26

  • Fxd. Freq.:

    Yes

  • Switching Frequency(kHz):

    1000

  • Features:

    Internal Switch

  • Tags:

    Backlight

  • EV Kit Available:

    Yes

  • RoHS Available:

    Yes

  • Oper. Temp.(°C):

    -40 to +85

  • Package/ Pins:

    TDFN/8

  • Smallest Available Pckg. (max w/pins)(mm2):

    9.6

  • Budgetary Price (See Notes):

    $1.36 @1k

供应商型号品牌批号封装库存备注价格
MAXIM/美信
25+
NA
880000
明嘉莱只做原装正品现货
询价
MAX
06+
1000
全新原装 绝对有货
询价
MAXIM
25+
QFN8
2500
强调现货,随时查询!
询价
MAXIM
23+
TDFN-8
2500
绝对全新原装!现货!特价!请放心订购!
询价
MAXIM
24+
QFN8
3000
公司现货
询价
MAXIM
25+
TDFN8
2500
百分百原装正品 真实公司现货库存 本公司只做原装 可
询价
MAX
23+
QFN
5000
原装正品,假一罚十
询价
MAXIM
17+
QFN
12000
只做全新进口原装,现货库存
询价
MAXIM
22+
QFN
5000
原装现货库存.价格优势!!
询价
MAXIM
24+
TDFN-8
10000
MAXIM一级代理商原装现货假一罚十
询价
更多MAX1561供应商 更新时间2025-12-1 14:08:00