Datasheet > LYT5225D-TL

LYT5225D-TL

更新时间： 2022-09-29 19:30:44

品牌	Logo	应用领域
帕沃英蒂格盛 - POWERINT		/
页数	文件大小	规格书
14页	832K
描述
NON-DIMMABLE SINGLE-STAGE LED DR

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LYT5225D-TL 数据手册

LYT5216-5228

LYTSwitch-5 Family

Single-Stage LED Driver IC with Combined PFC and Constant Current

Output in Isolated and Non-Isolated Topologies

Product Highlights

Combined Single-Stage PFC + Accurate CC Output

• Accurate CC, better than ±3%

• Power Factor >0.9

• Low THD, <10% with typical input and output conditions

• >90% efﬁcient in optimized designs

• High switching frequency and DCM allow compact magnetics

LYTSwitch-5

CONTROL

Design Flexibility

• Supports buck, buck-boost, tapped-buck, boost, isolated and

non-isolated ﬂyback topologies

• 2 MOSFET voltage options and 3 power levels for optimum device

selection

PI-7711-121015

Figure 1a. Typical Application Schematic: Isolated Flyback.

Highest Reliability

• No electrolytic bulk capacitors or optoisolators for increased lifetime

• Comprehensive protection features

• Input and output overvoltage

• Open-loop protection

• Advanced thermal control

• Thermal foldback allows output light delivery at abnormally high

ambient temperatures

• Hysteretic shutdown provides protection during fault conditions

LYTSwitch-5

CONTROL

Description

The LYTSwitch™-5 family is ideal for single-stage power factor

corrected constant current LED applications – bulbs, tubes and

ballasts.

Each device incorporates a high-voltage power MOSFET and discon-

tinuous mode, variable frequency, variable on-time controller. The

controller also provides fast (cycle-by-cycle) current limit, input and

output OVP, plus advanced thermal management circuitry.

PI-7799-121015

Figure 1b. Typical Application Schematic: Non-Isolated Buck.

Output Power Table

The combination of a low-side switching topology, cooling via electroni-

cally quiet SOURCE pins and frequency jitter ensures extremely low EMI.

This reduces the size of the input ﬁlter components – greatly reducing

audible noise.

Output Power¹

Product²

90-308 VAC

LYT5225D

9 W

16 W

25 W

The part numbers shown in Table 1 describe 3 different power levels and

two MOSFET voltage options to cost-optimize designs, while EcoSmart™

switching technology ensures maximum efﬁciency for each device size

and load condition.

LYT5216D, LYT5226D

LYT5218D, LYT5228D

Table 1. Output Power Table.

Notes:

1. Maximum practical continuous power in an open frame design with adequate

heat sinking, measured at 50˚C ambient (see Key Applications Considerations

for more information).

2. Package: D: SO-16B.

Figure 2. SO-16B (D Package).

www.power.com

March 2016

This Product is Covered by Patents and/or Pending Patent Applications.

12 3 4 5 6 7...14

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