VIPER22A datasheet(6/15 Pages) STMICROELECTRONICS

部件名	VIPER22A

功能描述	LOW POWER OFF LINE SMPS PRIMARY SWITCHER

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制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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6 / 15 page

VIPer22ADIP / VIPer22AS

6/15

Figure 4 : Peak Drain Current vs. Feedback Current

Figure 5 : Thermal Shutdown

I

FB

4mH

100V

18V

FB

VDD

DRAIN

SOURCE

CONTROL

VIPer22A

47nF

G

ID

I

Dpea k

∆

I

FB

∆

-----------------------

–

=

ID

IDpeak

t

1/FOSC

IFB

IDpeak

IDlim

IFB

I

FBsd

R

FB

⋅

VFB

The drain current limitation is

obtained for VFB = 0 V, and a

negative current is drawn from

the FB pin. See the Application

section for further details.

0

IFBsd

t

VDD

Tj

VDDon

TSD

THYST

Automatic

start up

类似零件编号 - VIPER22A

制造商	部件名	数据表	功能描述
STMicroelectronics	VIPER22A-E	409Kb / 21P	Low power OFF-line SMPS primary switcher November 2010 Rev 2
	VIPER22ADIP-E	304Kb / 20P	Low Power OFF-Line SMPS Primary Switcher
	VIPer22ADIP-E	392Kb / 21P	Low power OFF-line SMPS primary switcher
	VIPer22ADIP-E	409Kb / 21P	Low power OFF-line SMPS primary switcher November 2010 Rev 2
	VIPER22AS-E	304Kb / 20P	Low Power OFF-Line SMPS Primary Switcher

More results

类似说明 - VIPER22A

制造商	部件名	数据表	功能描述
STMicroelectronics	VIPER22A-E	409Kb / 21P	Low power OFF-line SMPS primary switcher November 2010 Rev 2
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Orister Corporation	RS2022P	455Kb / 7P	Low Power OFF-Line SMPS Primary Switcher
Sanken electric	STR-A6100	139Kb / 2P	LOW POWER OFF-LINE SMPS PRIMARY SWITCHER
STMicroelectronics	VIPER12ADIP	262Kb / 15P	LOW POWER OFF LINE SMPS PRIMARY SWITCHER
Orister Corporation	RS2012S	463Kb / 7P	Low Power OFF-Line SMPS Primary Switcher
STMicroelectronics	VIPER22ADIP-E	304Kb / 20P	Low Power OFF-Line SMPS Primary Switcher
STMicroelectronics	VIPER22-LED-EV	392Kb / 21P	Low power OFF-line SMPS primary switcher
Guangdong Kexin Industr...	VIPER12A	342Kb / 6P	Low Power Off Line SMPS Primary Switcher
Holtek Semiconductor In...	HT7A6312	1Mb / 10P	Low Power Primary Switcher for Off Line SMPS