AL3022 datasheet(4/12 Pages) DIODES

4 / 12 page

AL3022

Document number: DS36514 Rev. 3 - 2

4 of 12

www.diodes.com

September 2014

AL3022

3043

A Product Line of

Diodes Incorporated

Electrical Characteristics (@VIN = 5V, TA = +25°C, unless otherwise specified.)

Symbol

Parameter

Conditions

Min

Typ

Max

Unit

SUPPLY VOLTAGE (VIN PIN)

VIN

Input Voltage

–

4.0

–

Quiescent Current

Test at VFB = 0.3V

–

ISHDN

Shutdown Supply Current

VEN = 0V

–

0.1

–

µA

UNDER VOLTAGE LOCKOUT

VUVLO

Input UVLO Threshold

VIN Rising

3.6

3.8

4.0

VHYS

Input UVLO Hysteresis

–

100

200

300

OVER VOLTAGE PROTECTION

–

Over Voltage Threshold

–

1.45

1.55

1.65

–

Under Voltage Threshold

–

0.1

–

OVER CURRENT PROTECTION

VCS

Over Current Threshold

Duty = 90%

–

0.33

–

OVER TEMPERATURE PROTECTION

TOTSD

Thermal Shutdown Temperature

–

+160

–

°C

–

Thermal Shutdown Hysteresis

–

+20

–

°C

ERROR AMPLIFIER

Error Amplifier Transconductance

–

400

–

µA/V

ENABLE (EN PIN)

VEN-OFF

EN Pin Threshold

–

0.3

VEN-ON

–

2.6

–

VEN-DIM

EN Pin Dimming Threshold

–

0.8

–

2.4

–

VOLTAGE REFERENCE (FB PIN)

VFB

Feedback Voltage

–

0.194

0.2

0.206

IFB

Feedback Bias Current

–

100

∆VFB

Line Regulation

VIN = 4.5V to 18V

–

GATE DRIVER (OUT PIN)

fOSC

Oscillator Frequency

–

110

140

170

KHz

DMAX

Max. Duty Cycle

–

VGATE

OUT Pin Voltage (Note 5)

IOUT = 10mA

–

VIN-1

–

tRISE

Rising Time

VIN = 5V,

OUT Pin Load = 1nF

–

65.5

–

tFALL

Falling Time

–

88.5

–

Note 5: Guaranteed by design.

AL3022 датащи(PDF) 4 Page - Diodes Incorporated

AL3022 датащи(HTML) 4 Page - Diodes Incorporated

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12

датащи скачать

ссылки URL