KB1365 datasheet(3/9 Pages) KINGBOR

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Values

Parameter

Symbol

Min.

Typ.

Max.

Unit

Power supply voltage

VIN

5.5

Operating temperature

Top

-40

+25

+125

KB1365

Kingbor Technology Co.,Ltd

TEL:(86)0755-26508846 FAX:(86)0755-26509052

ELECTRICAL CHARACTERISTICS

RECOMMENDED OPERATION CONDITIONS

REV: 1.0

(VIN = 12V, VDIM = VCC, CVCC = 1µF, RSENSE = 0.5 , TA = TJ = -40°C to +125°C, unless otherwise noted. Typical values are at

TA = +25°C.) (Note 1)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Input Voltage Range

VIN

5.5

40.0

Maximum Current Regulator

Switching Frequency

fSW

MHz

Ground Current

IGND

DRV open

1.5

Supply Current

IIN

VDIM < 0.6V

425

µA

VIN = VCSN = VDIM, VIN rising from 4V until

VDRV > VCC - 0.5V

4.7

5.0

Undervoltage Lockout

UVLO

VIN = VCSN = VDIM, VIN falling from 6V,

VDRV < 0.5V

4.5

Undervoltage Lockout Hysteresis

0.5

SENSE COMPARATOR

(VIN - VCSN) rising from 0V until VDRV <

0.5V (25

)

215

220

225

Sense Voltage Threshold High

VSNSHI

(VIN - VCSN) rising from 0V until VDRV <

0.5V (-40 to +125 )

210

220

230

(VIN - VCSN) falling from 0.26V until VDRV >

(VCC - 0.5V) (25

)

175

180

185

Sense Voltage Threshold Low

VSNSLO

(VIN - VCSN) falling from 0.26V until VDRV >

(VCC - 0.5V) (-40 to +125 )

170

180

190

Propagation Delay to Output

High

tDPDH

Falling edge of (VIN - VCSN) from 0.26V to

0V to DRV high, CDRV = 1nF

Propagation Delay to Output Low

tDPDL

Rising edge of (VIN - VCSN) from 0V to

0.26V to DRV low, CDRV = 1nF

Current-Sense Input Current

ICSN

(VIN - VCSN) = 200mV

µA

Current-Sense Threshold

Hysteresis

CSHYS

0.5V (25

)

0.5V (-40 to +125 )

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