EC42151NNF2R datasheet(2/6 Pages) E-CMOS

Part #	EC42151NNF2R

Description	Constant Current LED Driver with PWM Dimming

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Manufacturer	E-CMOS [E-CMOS Corporation]

Direct Link	http://www.ecmos.com.tw/

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EC4215

Constant Current LED Driver with

PWM Dimming

E-CMOS Corp. (www.ecmos.com.tw)

3D08N Rev. F001

2/6

DFN-8L

REXT

VIN

Thermal

PAD

1

2

3

4

5

6

7

8 LED

VFF

DIM

GND

ABSOLUTE MAXIMUM RATINGS

VIN, LED Supply Voltage......................................... 550V

VFF, REXT, DIM Operation Voltage................................ 6V

Operating Tempera

ture………………… -40°C to +125°C

Storage Temperature

…………………… -55°C to +150°C

Maximum Die Temperature

………………………. +150°C

Lead Te

mperature……………………………….… +260°C

ESD HBM Voltage HV Pin

…………………….....… 1.2kV

ESD HBM Voltage LV Pin

……………………......… 3.5kV

ESD M

M Voltage……………………………….…..… 250V

PIN CONFIGURATION

Note:

Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional

operation under these conditions is not implied. Continuous operation of the device at the absolute rating

level may affect device reliability.

Ordering Information

Part No.

Package Type

Marking Information

Remark

EC42151NNF2R

DFN-8L

EC4215

LLLLL

YYWWT

YYWW ：Date Code

LLLLL：Lot No

T：internal tracking code

ELECTRICAL CHARACTERISTICS

TA = 25°C unless otherwise specified

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNIT

Electrical Characteristic

VIN

Operation Voltage

25

500

V

ILED

Current Regulation (Note 1)

VIN=25Vdc, REXT=15Ω

38

40

42

mA

VIN=25Vdc, REXT=30Ω

19

20

21

mA

ILED(MAX)

Maximum Current Regulation

VDROP≧16V (Note 2)

120

mA

IQ

Quiescent Current

VIN=25Vdc, REXT=Open

150

µA

VREF

Reference Voltage (Note 3)

0.6

V

VDROP(MAX)

Maximum Dropout Voltage (Note 4)

VIN= 265Vac, REXT=30Ω, VLED=220V

170

V

VDIM-H

DIM PIN High Threshold

VDIM Rising

1.4

V

VDIM-L

DIM PIN Low Threshold

VDIM Falling

0.4

V

Thermal Characteristic

△VREF(T)

VREF Temperature Coefficient

TA=-40°C ~125°C

0.01

％/℃

TA

Operating Temperature

-40

125

℃

PD

Total Power Dissipation (Operation)

1

W

RΘJA

Thermal Resistance

DFN-8L Package

33.2

℃/W

Protection

OCP

Over Current Protection

180

mA

OTP

Over Temperature Protection

150

℃

TFP

Thermal Foldback Protection

100

℃

Note:

1. ILED=0.6/REXT, VFF=0V, DIM=0V, LED=25V

2. VDROP=VIN－VLED, PD＜1W (No heat sink)

3. VREF=V(REXT), VFF=0V, DIM=0V

4. The current regulation is for an instantaneous AC line input current only, not to exceed thermal characteristics of package.

TOP View

Fig. 2

Detailed

Bloam

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EC42151NNF2R Datasheet(PDF) 2 Page - E-CMOS Corporation

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