PT4115B89E-B Ver la hoja de datos (PDF) - Unspecified

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PT4115B89E-B

30V, 1.2A Step-down High Brightness LED Driver with 5000:1 Dimming

Unspecified 

PT4115

30V, 1.2A Step-down High Brightness

LED Driver with 5000:1 Dimming

ELECTRICAL CHARACTERISTICS (Continued) (Note 4, 5)

SYMBOL

DIM Input

DPWM_HF

RDIM

IDIM_L

Output Switch

RSW

ITEMS

Duty cycle range of high

frequency dimming

Brightness control range

DIM pull up resistor to Internal

supply voltage

DIM input leakage low

SW On Resistance

ISWmean

Continuous SW Current

ILEAK

SW Leakage Current

Thermal Shutdown

TSD

TSD-hys

Thermal Shutdown Threshold

Thermal Shutdown hysteresis

CONDITIONS

fDIM =20KHz

VDIM = 0

VIN=12V

VIN=24V

Min. Typ.

4%

25:1

200

25

0.6

0.4

0.5

160

20

Note 4: Typical parameters are measured at 25˚C and represent the parametric norm.

Note 5: Datasheet min/max specification limits are guaranteed by design, test, or statistical analysis.

Max. UNIT

1

KΩ

uA

Ω

1.2

A

5

µA

℃

℃

SIMPLIFIED BLOCK DIAGRAM

China Resources Powtech (Shanghai) Limited

PT4115_DS Rev EN_2.9

WWW.CRPOWTECH.COM

Page 4

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