Datasheet > HV9805MG-G

HV9805MG-G

更新时间： 2024-11-02 20:03:55

品牌	Logo	应用领域
美国微芯 - MICROCHIP		驱动接口集成电路
页数	文件大小	规格书
34页	616K
描述
HV9805MG-G

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HV9805MG-G 技术参数

是否Rohs认证：	符合	生命周期：	Active
包装说明：	TSSOP, TSSOP10,.19,20	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
Factory Lead Time：	6 weeks	风险等级：	1.67
JESD-30 代码：	R-PDSO-G10	JESD-609代码：	e3
端子数量：	10	最高工作温度：	125 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	TSSOP	封装等效代码：	TSSOP10,.19,20
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
电源：	8.2 V	认证状态：	Not Qualified
子类别：	Display Drivers	标称供电电压：	8.2 V
表面贴装：	YES	温度等级：	AUTOMOTIVE
端子面层：	Matte Tin (Sn) - annealed	端子形式：	GULL WING
端子节距：	0.5 mm	端子位置：	DUAL
Base Number Matches：	1

HV9805MG-G 数据手册

HV9805

Off-Line LED Driver with True DC Output Current

Features

General Description

• Provides True DC Light and protects load from

line voltage transients

The HV9805 driver integrated circuit (IC) is targeted at

general LED lighting products, such as LED lamps and

LED lighting fixtures with a maximum power rating of

• Driver topology includes:

about 25W at 120V_ACand about 50W at 230V_AC

- Boundary Conduction Mode (BCM) Boost

Converter with Power Factor Correction

A two-stage topology provides true constant current

drive for the LED load while drawing mains power with

high power factor. The first stage, a boundary

conduction mode boost converter, transfers power

from the AC line to a second stage with high power

factor and high efficiency. The second stage, a linear

regulator arranged for operation with low overhead

voltage, transfers power from the first stage to the LED

load with true constant current and protects the LED

load from overvoltage that may pass from mains to the

output of the first stage.

a) High Power Factor (98% typical)

b) High Efficiency (90% typical)

- Linear Post-Regulator with Low Overhead

Voltage

a) Zero LED Current/Brightness Ripple

b) Overvoltage Protection for LEDs

c) High Efficiency

d) ±4% Reference Over Temperature

• Simple V_DDSupply:

The IC is particularly geared to drive a high voltage

LED load. An LED load arranged as a high-voltage load

is capable of offering cost advantages in terms of heat

management and optics.

- No Auxiliary Winding Required

• Boost Converter Cascode Switch:

- Internal Switch rated at 700 mA peak

- Supports up to 25W at 120V_AC

- Supports up to 50W at 230V_AC

The boost converter employs a cascode switch for

high-speed switching and convenient generation of the

V_DDsupply. The control device of the cascode switch is

an integral part of the HV9805 and is rated at 700 mA

peak. Current for powering the V_DDsupply is derived

by way of an internal connection to the cascode switch.

• Compatibility with SEPIC Topology for

Low Output Voltage Applications

Applications

Applications with low output voltage can be

accommodated using the SEPIC topology.

• LED Lamps

• LED Lighting Fixtures

Network Topology Diagram

 2015 Microchip Technology Inc.

DS20005374A-page 1

12 3 4 5 6 7...34

中文翻译

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