Datasheet > HV98100

HV98100

更新时间： 2023-12-06 20:09:04

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
26页	477K
描述
The HV98100/HV98101 LED driver Integrated Circuit (IC) is an off-line, high-power factor, buck-b

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HV98100 数据手册

HV98100/HV98101

Non-Dimmable, Off-Line, LED Driver with Low Total

Harmonic Distortions

Features

Description

The HV98100/HV98101 LED driver integrated circuit

(IC) is an off-line, high-power factor, buck-boost

controller targeted at general LED lighting products,

such as LED lamps and LED lighting fixtures with a

maximum power rating of about 15W.

• Good LED Current Regulation

- Better than 5% accuracy

• Valley Switching Buck-Boost Converter with

Power Factor Correction (PFC)

- 0.97 Power Factor (typical)

- 5% Total Harmonic Distortion (THD) (typical)

• Uses a Standard Off-the-Shelf Inductor

- No auxiliary winding required

• Single Input Voltage Range

Valley-switching buck-boost converters are preferred in

off-line applications since they reduce switching losses.

A typical solution is to pair a constant on-time control

scheme with valley switching to achieve both a

high-power factor and good efficiency. However, this

control scheme results in a higher total harmonic distor-

tion, and the actual value is dependent on the input and

output voltages. The HV98100/HV98101 uses a unique

control scheme to achieve a high-power factor and low

THD simultaneously under all line and load conditions,

while maximizing efficiency utilizing valley switching.

The average LED current is also controlled in a closed-

loop manner to achieve high LED accuracy.

- HV98100: 110 V_AC±15%

- HV98101: 230 V_AC±15%

• Supports 5W-15W Output Power

• Space-saving SOT-23-6L Package

Applications

• LED Lamps

Other unique features of the ICs are the bootstrap of

the IC supply voltage from the output, as well as the

unique valley-sensing scheme that allows the use of a

standard off-the-shelf inductor to minimize the overall

system cost.

• LED Lighting Fixtures

Applications with low-output voltage can be

accommodated using a coupled inductor.

Package Types

HV98100/HV98101

6-Lead SOT-23

GATE

PV_DD

IND

GND

COMP

See Table 3-1 for pin description.

 2016 Microchip Technology Inc.

DS20005640A-page 1

12 3 4 5 6 7...26

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