VIPER50SP datasheet(5/23 Pages) STMICROELECTRONICS

Part #	VIPER50SP

Description	SMPS PRIMARY I.C.

Download	23 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

Logo

5 / 23 page

VIPer50/SP - VIPer50A/ASP

5/23

ELECTRICAL CHARACTERISTICS (continued)

OSCILLATOR SECTION

ERROR AMPLIFIER SECTION

PWM COMPARATOR SECTION

SHUTDOWN AND OVERTEMPERATURE SECTION

Symbol

Parameter

Test Conditions

Min

Typ

Max

Unit

FSW

Oscillator Frequency

Total Variation

Rt=8.2KΩ; Ct=2.4nF

VDD=9 to 15V;

with Rt± 1%; Ct± 5%

(see fig. 6 and fig. 9)

90

100

110

kHz

VOSCih

Oscillator Peak Voltage

7.1

V

VOSCil

Oscillator Valley Voltage

3.7

V

Symbol

Parameter

Test Conditions

Min

Typ

Max

Unit

VDDreg

VDD Regulation Point

ICOMP=0mA

(see fig. 1)

12.6

13

13.4

V

∆V

DDreg

Total Variation

Tj=0 to 100°C

2

%

GBW

Unity Gain Bandwidth

From Input =VDD to Output = VCOMP

COMP pin is open

(see fig. 10)

150

kHz

AVOL

Open Loop Voltage Gain

COMP pin is open

(see fig. 10)

45

52

dB

Gm

DC Transconductance

VCOMP=2.5V

(see fig. 1)

1.1

1.5

1.9

mA/V

VCOMPLO

Output Low Level

ICOMP= -400µA; VDD=14V

0.2

V

VCOMPHI

Output High Level

ICOMP=400µA; VDD=12V

4.5

V

ICOMPLO

Output Low Current

Capability

VCOMP=2.5V; VDD=14V

-600

µA

ICOMPHI

Output High Current

Capability

VCOMP=2.5V; VDD=12V

600

µA

Symbol

Parameter

Test Conditions

Min

Typ

Max

Unit

HID

∆V

COMP / ∆IDPEAK

VCOMP=1 to 3 V

1.422.6

V/A

VCOMPoff

VCOMP Offset

IDPEAK=10mA

0.5

V

IDpeak

Peak Current Limitation

VDD=12V; COMP pin open

1.5

2

2.7

A

td

Current Sense Delay to

Turn-Off

ID=0.5A

250

ns

tb

Blanking Time

250

360

ns

ton(min)

Minimum On Time

350

1200

ns

Symbol

Parameter

Test Conditions

Min

Typ

Max

Unit

VCOMPth

Restart Threshold

(see fig. 4)

0.5

V

tDISsu

Disable Set Up Time

(see fig. 4)

1.7

5

µs

Ttsd

Thermal Shutdown

Temperature

(See fig. 8)

140

170

°C

Thyst

Thermal Shutdown

Hysteresis

(See fig. 8)

40

°C

Similar Part No. - VIPER50SP

Manufacturer	Part #	Datasheet	Description
STMicroelectronics	VIPER50-22-E	266Kb / 29P	SMPS PRIMARY I.C.
	VIPER50-E	266Kb / 29P	SMPS PRIMARY I.C.
	VIPER50A-22-E	353Kb / 31P	ADJUSTABLE SWITCHING FREQUENCY UP TO 200 kHz
	VIPER50A-E	348Kb / 31P	SMPS PRIMARY I.C.
	VIPER50ASP-E	348Kb / 31P	SMPS PRIMARY I.C.

More results

Similar Description - VIPER50SP

Manufacturer	Part #	Datasheet	Description
STMicroelectronics	VIPER100B	173Kb / 20P	SMPS PRIMARY I.C.
	VIPER50A-E	348Kb / 31P	SMPS PRIMARY I.C.
	VIPER50-E	266Kb / 29P	SMPS PRIMARY I.C.
	VIPER100A	354Kb / 31P	SMPS PRIMARY I.C.
	VIPER100-E	266Kb / 29P	SMPS PRIMARY I.C.
	VIPER20	179Kb / 25P	SMPS PRIMARY I.C.
	VIPER20B	151Kb / 17P	SMPS PRIMARY I.C.
	VIPER20-E	319Kb / 31P	SMPS PRIMARY I.C.
	VIPER50B	174Kb / 20P	SMPS PRIMARY I.C.
	VIPER20A-E	642Kb / 34P	SMPS primary I.C.

More results

VIPER50SP Datasheet(PDF) 5 Page - STMicroelectronics

VIPER50SP Datasheet(HTML) 5 Page - STMicroelectronics

Similar Part No. - VIPER50SP

Similar Description - VIPER50SP

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23

Datasheet Download

Link URL