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KTD251EHD-TR中文资料
KTD251EHD-TR数据手册规格书PDF详情
Features
? Wide output range: up to 10 series LEDs
? Integrated 40V high current switch (800mA
limit)
? High efficiency PWM converter (up to 90)
? Low 200mV feedback voltage
? High accuracy across full load range
? VIN range: 2.7V to 5.5V
? LED open-circuit (OVP) protection
? KTD251: 36V
? KTD251B: 24V
? KTD251C: 19V
? High switching frequency
? KTD251: 900kHz
? KTD251B/C: 1.1MHz
? PWM dimming frequency: 100Hz to 200kHz
? Simple, small solution size
? Integrated Soft-start
? Shutdown Current less than 1μA
? Small TSOT23-6 Package
? RoHS and Green compliant
? -40°C to +85°C Temperature Range
Applications
? LED backlighting
? Mobile Phones
? Handheld Devices
? Digital Photo Frames
? Automotive Navigation
Brief Description
The KTD251 is a versatile constant current LED driver with
a high efficiency DC-DC step up “boost” converter
architecture. The low-side power MOSFET is integrated in
the device, minimizing the total number of external
components. Unique technology and high 800mA current
limit allow KTD251 to drive up to 36V output (10 LEDs in
series), up to 24V using KTD251B (6 LEDs in series) or up
to 19V using KTD251C (5 LEDs in series). Alternatively,
KTD251 can deliver 160mA total current with 3 series
LEDs per string. It can also maximize the current capability
while achieving high conversion efficiency. The optimized
0.9MHz and 1.1MHz switching frequencies result in small
external component size. The driver allows a wide range of
PWM dimming frequencies through the EN pin.
Various protection features are built into the KTD251,
including cycle-by-cycle input current limit protection, LED
open-circuit (output over voltage) protection and thermal
shutdown protection. The leakage current in shutdown
mode is less than 1μA.
The KTD251 is available in a RoHS compliant 6-lead
TSOT23 package.
KTD251EHD-TR供应商...
供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
---|---|---|---|---|---|---|---|
深圳市索歌特科技有限公司 |
KTD251EHD-TR |
KINETIC |
2021+ |
SOT23-6 |
2500 |
全新原装现货,价格绝对有优势 |
|
深圳市兴联达电子有限公司(原兴达电子) |
KTD251EHD-TR |
KINETIC |
SMD |
2072 |
全新、原装 |
||
深圳市凌旭科技有限公司 |
KTD251EHD-TR |
KINETIC |
2016+ |
SOT23-6 |
2288 |
只做原装,假一罚十,公司可开17%增值税发票! |
|
深圳市正迈科技有限公司 |
KTD251EHD-TR |
KINETIC |
23+ |
NA |
3338 |
专业电子元器件供应链正迈科技特价代理QQ1304306553 |
|
深圳市华斯顿科技有限公司 |
KTD251EHD-TR |
KINETIC |
22+23+ |
SOT23-6 |
32109 |
绝对原装正品全新进口深圳现货 |
|
深圳市科恒伟业电子有限公司 |
KTD251EHD-TR |
KINETIC |
1836+ |
SOT23-6 |
9852 |
只做原装正品现货!或订货假一赔十! |
|
深圳兆威电子有限公司 |
KTD251EHD-TR |
KINETIC |
23+ |
SOT23-6 |
999999 |
原装正品现货量大可订货 |
|
深圳诚思涵科技有限公司 |
KTD251EHD-TR |
KINETIC |
19+ |
SOT23-6 |
20000 |
33475 |
|
深圳市盈宏半导体科技有限公司 |
KTD251EHD-TR |
KINETIC |
13+PB |
SOT23-6 |
2196 |
刚到现货加微13425146986 |
|
深圳市华睿芯科技有限公司 |
KTD251EHD-TR |
KINETIC |
23+ |
SOT23-6 |
20000 |
原厂原装正品现货 |
KTD251EHD-TR 资料下载更多...
KTD251EHD-TR 产品相关型号
- 307-068-558-201
- 307-068-558-202
- 307-068-558-203
- 307-068-558-204
- 307-068-558-207
- 307-068-558-208
- 768201103DP
- 768201103DPTR13
- 768201103FP
- 768201103FPTR13
- 768201103GP
- 768201103GPTR13
- 768201103JP
- 768201103JPTR13
- 768201103P
- 768201103PTR13
- 768203103DP
- 768203103DPTR13
- 768203103FP
- 768203103FPTR13
- 768203103GP
- 768203103GPTR13
- 768203103JP
- 768203103JPTR13
- 768203103P
- 768203103PTR13
- EJ12146
- EJ12146LG
- EJ683
- EJ683LG
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