HV9120

更新时间： 2024-09-20 22:48:27

品牌	Logo	应用领域
超科 - SUPERTEX		高压控制器
页数	文件大小	规格书
7页	327K
描述
High-Voltage Current-Mode PWM Controller

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HV9120 数据手册

HV9120

HV9123

High-Voltage Current-Mode PWM Controller

Ordering Information

+V_IN

Package Options

Feedback

Accuracy

Max

16 Pin

20 Pin

Duty Cycle

Min

Max

DIE

Plastic DIP

SOIC

Plastic PLCC

10V

450V

< 2%

49%

99%

HV9120P

HV9123P

HV9120NG

HV9123NG

HV9120PJ

HV9123PJ

HV9120X

HV9123X

Standard temperature range for all parts is industrial (-40° to +85°C).

General Description

Features

❏

10 to 450V input acceptance range

<1.3mA supply current

>1.0MHz clock

The Supertex HV9120 and HV9123 are Switch Mode Power

Supply (SMPS) controller subsystems that can start and run

directly from almost any DC input, from a 12V battery to a rectified

and filtered 240V AC line. They contain all the elements required

to build a single-switch converter except for the switch, magnetic

assembly, output rectifier(s) and filter(s).

>20:1 dynamic range @ 500KHz

Low internal noise

A unique input circuit allows the 912x to self-start directly from a

high voltage input, and subsequently take the power to operate

from one of the outputs of the converter it is controlling, allowing

veryefficientoperationwhilemaintaininginput-to-outputgalvanic

isolation limited in voltage only by the insulation system of the

associated magnetic assembly. A 2% internal bandgap refer-

ence, internal operational amplifier, very high speed comparator,

and output buffer allow production of rugged, high performance,

high efficiency power supplies of 50 watts or more, which can still

beover80%efficientatoutputsof1.0Worless.Thewidedynamic

range of the controller system allows designs with extremely wide

line and load variations with much less difficulty and much higher

efficiencythanusual. Theexceptionallywideinputvoltageaccep-

tance range also allows much better usage of energy stored in

input dropout capacitors than with other PWM ICs. Remote on/off

controls allow either latching or nonlatching remote shutdown.

During shutdown, power required is under 6.0mW.

Applications

❏

Off-line high frequency power supplies

Universal input power supplies

High density power supplies

Very high efficiency power supplies

Extra wide load range power supplies

Absolute Maximum Ratings

Voltages are referenced to -V_IN

+V_INInput Voltage

450V

V_DDDevice Supply Voltage

15.5V

Logic Input Voltages

-0.3 to V_DD+ 0.3V

2.5mA

Linear Input Voltages

I_INPreregulator Input Current (continuous)

T_jOperating Junction Temperature

Storage Temperature

150° C

-65°C to 150°C

1000mW

Power Dissipation, PDIP

Power Dissipation PLCC

Power Dissipation SOIC

1400mW

900mW

For detailed circuit and application information, please refer

to application notes AN-H13 and AN-H21 to AN-H24.

11/12/01

Supertex Inc. does not recommend the use of its products in life support applications and will not knowingly sell its products for use in such applications unless it receives an adequate "products liability

indemnification insurance agreement." Supertex does not assume responsibility for use of devices described and limits its liability to the replacement of devices determined to be defective due to

workmanship. No responsibility is assumed for possible omissions or inaccuracies. Circuitry and specifications are subject to change without notice. For the latest product specifications, refer to the

Supertex website: http://www.supertex.com. For complete liability information on all Supertex products, refer to the most current databook or to the Legal/Disclaimer page on the Supertex website.

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与HV9120相关器件

型号	品牌	获取价格	描述	数据表
HV9120C	ETC	获取价格	Current-Mode SMPS Controller
HV9120NG	SUPERTEX	获取价格	High-Voltage Current-Mode PWM Controller
HV9120NG-G	MICROCHIP	获取价格	SWITCHING CONTROLLER, 3000kHz SWITCHING FREQ-MAX, PDSO16
HV9120NG-G-M901	MICROCHIP	获取价格	High-Voltage, Current-Mode, PWM Controller
HV9120NG-GM934	SUPERTEX	获取价格	Switching Controller
HV9120NG-G-M934	MICROCHIP	获取价格	Switching Controller
HV9120P	SUPERTEX	获取价格	High-Voltage Current-Mode PWM Controller
HV9120P-G	MICROCHIP	获取价格	SWITCHING CONTROLLER, 3000kHz SWITCHING FREQ-MAX, PDIP16
HV9120P-G-M901	MICROCHIP	获取价格	High-Voltage, Current-Mode, PWM Controller
HV9120P-G-M934	MICROCHIP	获取价格	High-Voltage, Current-Mode, PWM Controller

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